nas.edu Website Information
Daily Unique Visits: 89,366
Daily Page Views: 536,196
Income Per Day: $1,072
Estimated Value: $771,840
This website is located in United States and is using following IP address 144.171.1.30. See the complete list of popular websites hosted in United States.
nas.edu is registered under .EDU top-level domain. Please check other sites in .EDU zone.
Website nas.edu is using the following name servers:
- bona.nas.edu
- berkshire.nas.edu
- bighorn.nas.edu
- bonaor.nas.edu
- bonairl.nas.edu
- rushmore.nas.edu
and is probably hosted by NAS-AS - National Academy of Sciences, US. See the full list of other websites hosted by NAS-AS - National Academy of Sciences, US.
The highest website nas.edu position in Alexa rank database was 15003 and the lowest rank position was 912357. Current position of nas.edu in Alexa rank database is 16049.
Desktop speed score of nas.edu (46/100) is better than the results of 19.93% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of nas.edu (63/100) is better than the results of 9.16% of other sites and means that the page is not mobile-friendly.
Mobile speed score of nas.edu (43/100) is better than the results of 22.8% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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nas.edu Alexa Rank
The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.
nas.edu whois
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This Registry database contains ONLY .EDU domains.
The data in the EDUCAUSE Whois database is provided
by EDUCAUSE for information purposes in order to
assist in the process of obtaining information about
or related to .edu domain registration records.
The EDUCAUSE Whois database is authoritative for the
.EDU domain.
A Web interface for the .EDU EDUCAUSE Whois Server is
available at: http://whois.educause.edu
By submitting a Whois query, you agree that this information
will not be used to allow, enable, or otherwise support
the transmission of unsolicited commercial advertising or
solicitations via e-mail. The use of electronic processes to
harvest information from this server is generally prohibited
except as reasonably necessary to register or modify .edu
domain names.
-------------------------------------------------------------
Domain Name: NAS.EDU
Registrant:
National Academy of Sciences
500 5th Street, N.W.
Washington, DC 20001
USA
Administrative Contact:
System Administration
National Academies
500 5th Street, N.W.
Washington, DC 20001
USA
+1.2023343581
sysadmin@nas.edu
Technical Contact:
DNS-Technical- Contact
National Academies
500 5th Street, N.W.
Washington, DC 20001
USA
+1.2023342713
DNS-technical-contact@nas.edu
Name Servers:
A1-44.AKAM.NET
A5-65.AKAM.NET
A11-64.AKAM.NET
A6-66.AKAM.NET
A16-67.AKAM.NET
A28-67.AKAM.NET
Domain record activated: 07-Dec-1990
Domain record last updated: 18-Sep-2024
Domain expires: 31-Jul-2025
The data in the EDUCAUSE Whois database is provided
by EDUCAUSE for information purposes in order to
assist in the process of obtaining information about
or related to .edu domain registration records.
The EDUCAUSE Whois database is authoritative for the
.EDU domain.
A Web interface for the .EDU EDUCAUSE Whois Server is
available at: http://whois.educause.edu
By submitting a Whois query, you agree that this information
will not be used to allow, enable, or otherwise support
the transmission of unsolicited commercial advertising or
solicitations via e-mail. The use of electronic processes to
harvest information from this server is generally prohibited
except as reasonably necessary to register or modify .edu
domain names.
-------------------------------------------------------------
Domain Name: NAS.EDU
Registrant:
National Academy of Sciences
500 5th Street, N.W.
Washington, DC 20001
USA
Administrative Contact:
System Administration
National Academies
500 5th Street, N.W.
Washington, DC 20001
USA
+1.2023343581
sysadmin@nas.edu
Technical Contact:
DNS-Technical- Contact
National Academies
500 5th Street, N.W.
Washington, DC 20001
USA
+1.2023342713
DNS-technical-contact@nas.edu
Name Servers:
A1-44.AKAM.NET
A5-65.AKAM.NET
A11-64.AKAM.NET
A6-66.AKAM.NET
A16-67.AKAM.NET
A28-67.AKAM.NET
Domain record activated: 07-Dec-1990
Domain record last updated: 18-Sep-2024
Domain expires: 31-Jul-2025
nas.edu server information
Servers Location
nas.edu desktop page speed rank
Last tested: 2017-05-27
Desktop Speed
Bad
46/100
nas.edu Desktop Speed Test Quick Summary
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priority - 28Leverage browser caching
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http://nas.edu/site_assets/websites/na/sitenavigation.js (expiration not specified)
http://nas.edu/site_assets/websites/na/sitenavigationfunctions.js (expiration not specified)
https://www.nap.edu/images/sprites_cp14.png (expiration not specified)
https://www.nap.edu/images/widget-nasem-hdr2.png (expiration not specified)
https://www.nap.edu/widget/assets/widget.css (expiration not specified)
http://www.pnas.org/content/114/21.cover.gif (2 minutes)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-WSZZVS (15 minutes)
http://dwc.nas.edu/ga/onpi.js (2 hours)
http://www.google-analytics.com/analytics.js (2 hours)
priority - 20Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 198.4KiB (74% reduction).
Compressing http://nas.edu/site_assets/groups/system/documents…t/na_nax_jquery_min.js could save 58.1KiB (64% reduction).
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Compressing http://nas.edu/site_assets/groups/nasite/documents…et/na_mainpage_css.css could save 11.2KiB (79% reduction).
Compressing http://nas.edu/site_assets/websites/na/sitenavigationfunctions.js could save 10.1KiB (83% reduction).
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Compressing http://nas.edu/site_assets/groups/nasite/documents…et/na_dropdown_css.css could save 7.2KiB (83% reduction).
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priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 6 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://nas.edu/site_assets/websites/na/sitenavigationfunctions.js
http://nas.edu/site_assets/websites/na/sitenavigation.js
http://nas.edu/site_assets/resources/sitestudio/ssajax/ssajax.js
http://nas.edu/site_assets/groups/system/documents…t/na_nax_jquery_min.js
http://nas.edu/site_assets/groups/system/documents…et/na_js_menu_hover.js
http://nas.edu/site_assets/groups/system/documents…na_js_news_carousel.js
http://nas.edu/site_assets/websites/na/sitenavigation.js
http://nas.edu/site_assets/resources/sitestudio/ssajax/ssajax.js
http://nas.edu/site_assets/groups/system/documents…t/na_nax_jquery_min.js
http://nas.edu/site_assets/groups/system/documents…et/na_js_menu_hover.js
http://nas.edu/site_assets/groups/system/documents…na_js_news_carousel.js
Optimize CSS Delivery of the following:
http://nas.edu/site_assets/groups/nasite/documents…et/na_mainpage_css.css
http://nas.edu/site_assets/groups/nasite/documents…et/na_dropdown_css.css
http://nas.edu/site_assets/groups/nasite/documents…et/na_dropdown_css.css
priority - 2Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 19.5KiB (36% reduction).
Minifying http://nas.edu/site_assets/resources/sitestudio/ssajax/ssajax.js could save 11.8KiB (45% reduction).
Minifying http://nas.edu/site_assets/websites/na/sitenavigationfunctions.js could save 4.2KiB (35% reduction).
Minifying http://nas.edu/site_assets/websites/na/sitenavigation.js could save 1.8KiB (17% reduction).
Minifying http://nas.edu/site_assets/groups/system/documents…et/na_js_menu_hover.js could save 1.7KiB (38% reduction).
Minifying http://nas.edu/site_assets/websites/na/sitenavigationfunctions.js could save 4.2KiB (35% reduction).
Minifying http://nas.edu/site_assets/websites/na/sitenavigation.js could save 1.8KiB (17% reduction).
Minifying http://nas.edu/site_assets/groups/system/documents…et/na_js_menu_hover.js could save 1.7KiB (38% reduction).
priority - 1Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 11.4KiB (25% reduction).
Minifying http://nas.edu/ could save 11.4KiB (25% reduction).
priority - 1Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 5.3KiB (19% reduction).
Minifying http://nas.edu/site_assets/groups/nasite/documents…et/na_mainpage_css.css could save 3.2KiB (23% reduction).
Minifying https://www.nap.edu/widget/assets/widget.css could save 1.1KiB (19% reduction).
Minifying http://nas.edu/site_assets/groups/nasite/documents…et/na_dropdown_css.css could save 1KiB (12% reduction).
Minifying https://www.nap.edu/widget/assets/widget.css could save 1.1KiB (19% reduction).
Minifying http://nas.edu/site_assets/groups/nasite/documents…et/na_dropdown_css.css could save 1KiB (12% reduction).
nas.edu Desktop Resource Breakdown
| Total Resources | 75 |
| Number of Hosts | 13 |
| Static Resources | 66 |
| JavaScript Resources | 15 |
| CSS Resources | 4 |
nas.edu mobile page speed rank
Last tested: 2017-05-27
Mobile Speed
Bad
43/100
nas.edu Mobile Speed Test Quick Summary
priority - 48Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 471.5KiB (60% reduction).
Compressing https://www.nap.edu/cover/23573/200 could save 85.4KiB (81% reduction).
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Compressing http://nas.edu/site_assets/groups/system/documents…na_topnav_hover_3a.jpg could save 3KiB (78% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…s/na_rss_news_icon.jpg could save 2.9KiB (81% reduction).
Compressing http://nas.edu/site_assets/groups/system/documents…phics/na_graybarbg.jpg could save 2.8KiB (87% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…cs/na_twitter_icon.jpg could save 2.7KiB (82% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…/na_facebook._icon.jpg could save 2.6KiB (83% reduction).
Compressing http://nas.edu/site_assets/groups/system/documents…graphics/na_062679.jpg could save 2.6KiB (85% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_062695.jpg could save 2.6KiB (82% reduction).
Compressing https://www.nap.edu/images/sprites_cp14.png could save 1.3KiB (43% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…_nasem_logo_footer.png could save 1.2KiB (14% reduction).
Compressing http://nas.edu/site_assets/groups/system/documents…ics/na_right_arrow.gif could save 730B (85% reduction).
Compressing http://nas.edu/site_assets/groups/system/documents…na_news_left_arrow.gif could save 726B (85% reduction).
Compressing http://nas.edu/site_assets/groups/system/documents…graphics/na_datebg.gif could save 561B (75% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_052424.jpg could save 31.5KiB (92% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_179287.jpg could save 30.1KiB (45% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_052425.jpg could save 28KiB (94% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_052423.jpg could save 26.9KiB (93% reduction).
Compressing https://www.nap.edu/cover/23528/200 could save 25.2KiB (53% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_179125.jpg could save 20KiB (50% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_179220.jpg could save 18KiB (47% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_179256.jpg could save 17.6KiB (60% reduction).
Compressing https://www.nap.edu/cover/12956/200 could save 15.7KiB (48% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_179152.jpg could save 15.3KiB (43% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053533.jpg could save 12.9KiB (50% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_178977.jpg could save 11.9KiB (31% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053516.jpg could save 10.2KiB (56% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_167988.jpg could save 9.4KiB (59% reduction).
Compressing https://www.nap.edu/cover/13165/200 could save 8.8KiB (34% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_177706.jpg could save 7.9KiB (72% reduction).
Compressing https://www.nap.edu/cover/23617/200 could save 7.3KiB (40% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053182.jpg could save 7.2KiB (67% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053459.jpg could save 7KiB (73% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_173940.jpg could save 6.7KiB (69% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053389.jpg could save 5.8KiB (72% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053226.jpg could save 5.5KiB (60% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_072670.jpg could save 5.2KiB (64% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053175.jpg could save 4.7KiB (69% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_172612.jpg could save 4.6KiB (77% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053166.jpg could save 4.5KiB (65% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053212.jpg could save 4.1KiB (68% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053174.jpg could save 4KiB (67% reduction).
Compressing http://nas.edu/site_assets/groups/system/documents…graphics/na_062696.jpg could save 3.1KiB (60% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_174785.jpg could save 3KiB (25% reduction).
Compressing http://nas.edu/site_assets/groups/system/documents…na_topnav_hover_3a.jpg could save 3KiB (78% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…s/na_rss_news_icon.jpg could save 2.9KiB (81% reduction).
Compressing http://nas.edu/site_assets/groups/system/documents…phics/na_graybarbg.jpg could save 2.8KiB (87% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…cs/na_twitter_icon.jpg could save 2.7KiB (82% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…/na_facebook._icon.jpg could save 2.6KiB (83% reduction).
Compressing http://nas.edu/site_assets/groups/system/documents…graphics/na_062679.jpg could save 2.6KiB (85% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…graphics/na_062695.jpg could save 2.6KiB (82% reduction).
Compressing https://www.nap.edu/images/sprites_cp14.png could save 1.3KiB (43% reduction).
Compressing http://nas.edu/site_assets/groups/nasite/documents…_nasem_logo_footer.png could save 1.2KiB (14% reduction).
Compressing http://nas.edu/site_assets/groups/system/documents…ics/na_right_arrow.gif could save 730B (85% reduction).
Compressing http://nas.edu/site_assets/groups/system/documents…na_news_left_arrow.gif could save 726B (85% reduction).
Compressing http://nas.edu/site_assets/groups/system/documents…graphics/na_datebg.gif could save 561B (75% reduction).
priority - 42Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
http://nas.edu/site_assets/groups/nasite/documents…et/na_dropdown_css.css (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…et/na_mainpage_css.css (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_052423.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_052424.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_052425.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053166.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053174.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053175.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053182.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053212.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053226.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053389.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053459.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053516.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_053533.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_062695.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_072670.jpg (expiration not specified)
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http://nas.edu/site_assets/groups/nasite/documents…graphics/na_172612.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_173940.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_174785.jpg (expiration not specified)
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http://nas.edu/site_assets/groups/nasite/documents…graphics/na_178437.gif (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_178977.jpg (expiration not specified)
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http://nas.edu/site_assets/groups/nasite/documents…graphics/na_179152.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_179220.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_179256.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…graphics/na_179287.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…/na_facebook._icon.jpg (expiration not specified)
http://nas.edu/site_assets/groups/nasite/documents…_nasem_logo_footer.png (expiration not specified)
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http://nas.edu/site_assets/groups/system/documents…t/na_nax_jquery_min.js (expiration not specified)
http://nas.edu/site_assets/groups/system/documents…graphics/na_062679.jpg (expiration not specified)
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https://www.nap.edu/widget/assets/widget.css (expiration not specified)
http://www.pnas.org/content/114/21.cover.gif (2 minutes)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-WSZZVS (15 minutes)
http://dwc.nas.edu/ga/onpi.js (2 hours)
http://www.google-analytics.com/analytics.js (2 hours)
http://nas.edu/site_assets/groups/nasite/documents…et/na_mainpage_css.css (expiration not specified)
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priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 6 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://nas.edu/site_assets/websites/na/sitenavigationfunctions.js
http://nas.edu/site_assets/websites/na/sitenavigation.js
http://nas.edu/site_assets/resources/sitestudio/ssajax/ssajax.js
http://nas.edu/site_assets/groups/system/documents…t/na_nax_jquery_min.js
http://nas.edu/site_assets/groups/system/documents…et/na_js_menu_hover.js
http://nas.edu/site_assets/groups/system/documents…na_js_news_carousel.js
http://nas.edu/site_assets/websites/na/sitenavigation.js
http://nas.edu/site_assets/resources/sitestudio/ssajax/ssajax.js
http://nas.edu/site_assets/groups/system/documents…t/na_nax_jquery_min.js
http://nas.edu/site_assets/groups/system/documents…et/na_js_menu_hover.js
http://nas.edu/site_assets/groups/system/documents…na_js_news_carousel.js
Optimize CSS Delivery of the following:
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http://nas.edu/site_assets/groups/nasite/documents…et/na_dropdown_css.css
http://nas.edu/site_assets/groups/nasite/documents…et/na_dropdown_css.css
priority - 20Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 196KiB (74% reduction).
Compressing http://nas.edu/site_assets/groups/system/documents…t/na_nax_jquery_min.js could save 58.1KiB (64% reduction).
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priority - 2Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 19.5KiB (36% reduction).
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priority - 1Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 11.4KiB (25% reduction).
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priority - 1Minify CSS
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Minify CSS for the following resources to reduce their size by 5.3KiB (19% reduction).
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nas.edu Mobile Resource Breakdown
| Total Resources | 76 |
| Number of Hosts | 14 |
| Static Resources | 67 |
| JavaScript Resources | 15 |
| CSS Resources | 4 |
nas.edu mobile page usability
Last tested: 2017-05-27
Mobile Usability
Bad
63/100
nas.edu Mobile Usability Test Quick Summary
priority - 40Use legible font sizes
The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.
The following text fragments have a small font size. Increase the font size to make them more legible.
Current Operating Status and 1 others render only 5 pixels tall (12 CSS pixels).| renders only 4 pixels tall (10 CSS pixels).Home renders only 5 pixels tall (12 CSS pixels).Events & Activities and 3 others render only 5 pixels tall (12 CSS pixels).May 27, 2017 renders only 5 pixels tall (13 CSS pixels).More News renders only 4 pixels tall (11 CSS pixels).May 17 - Polic…new Academies and 1 others render only 5 pixels tall (12 CSS pixels).report renders only 5 pixels tall (12 CSS pixels).NEW REPORT renders only 4 pixels tall (10 CSS pixels).Actions Needed…trengthen U.S. and 1 others render only 5 pixels tall (13 CSS pixels).NEW REPORT and 2 others render only 4 pixels tall (10 CSS pixels).Assistive Tech…h Disabilities and 2 others render only 5 pixels tall (13 CSS pixels).2017 Global Gr…llenges Summit and 2 others render only 5 pixels tall (12 CSS pixels).Your browser d…ats available. renders only 5 pixels tall (14 CSS pixels).Click here to…t HTML5 video. renders only 5 pixels tall (14 CSS pixels)., jointly orga…shington, D.C. and 1 others render only 5 pixels tall (12 CSS pixels).Global Grand Challenges Summit renders only 5 pixels tall (12 CSS pixels).Read about rec…edicine in the and 4 others render only 5 pixels tall (12 CSS pixels).series of articles and videos and 2 others render only 5 pixels tall (12 CSS pixels).In Focus renders only 5 pixels tall (12 CSS pixels).for state-of-t…onal programs. and 1 others render only 5 pixels tall (12 CSS pixels).Art, Design an…roup Summaries renders only 5 pixels tall (13 CSS pixels).Download and 1 others render only 4 pixels tall (11 CSS pixels).The National A…, and Medicine and 1 others render only 5 pixels tall (12 CSS pixels).Browse the mos…ditions of the renders only 5 pixels tall (12 CSS pixels).Proceedings of…my of Sciences renders only 5 pixels tall (12 CSS pixels).Follow Us: renders only 4 pixels tall (10 CSS pixels).| renders only 4 pixels tall (10 CSS pixels).E-Newsletters renders only 5 pixels tall (12 CSS pixels).500 Fifth Stre…. 202.334.2000 and 3 others render only 5 pixels tall (12 CSS pixels).Privacy Statement and 3 others render only 5 pixels tall (12 CSS pixels).Copyright © 20…ights reserved renders only 4 pixels tall (10 CSS pixels).. renders only 4 pixels tall (10 CSS pixels).priority - 10Configure the viewport
Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.
priority - 6Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target
<input type="text" name="q"> is close to 2 other tap targets.The tap target
<input type="image" name="sa"> is close to 2 other tap targets.The tap target
<a href="http://www.nat…act/index.html">Contact Us</a> and 1 others are close to other tap targets.The tap target
<a id="divisions" href="./index.html" class="top_link">Home</a> and 3 others are close to other tap targets.The tap target
<a id="divisions" href="./index.html" class="top_link">Home</a> is close to 2 other tap targets.The tap target
<a href="./newsroom/index.html" class="leftlink">More News</a> is close to 2 other tap targets.The tap target
<li class="active">NEW REPORT…demies report.</li> is close to 2 other tap targets.The tap target
<li class="active">NEW REPORT…demies report.</li> and 3 others are close to other tap targets.The tap target
<li>NEW REPORT…global health.</li> and 2 others are close to other tap targets.The tap target
<a href="https://www.yo…?v=-h8BpXGUQs0" class="ytp-watermark…ix-sessionlink"></a> is close to 2 other tap targets.The tap target
<a href="http://www.nap.edu"></a> is close to 3 other tap targets.The tap target
<a href="https://www.na…ent=position 1" class="book-title">Art, Design an…roup Summaries</a> and 1 others are close to other tap targets.The tap target
<a href="http://www.pna…ontent/current">Proceedings of…my of Sciences</a> is close to 2 other tap targets.The tap target
<a href="./rss/index.html"></a> and 2 others are close to other tap targets.The tap target
<a href="./legal/privacy/index.html">Privacy Statement</a> and 3 others are close to other tap targets.The tap target
<a href="./legal/index.html">Copyright © 20…ights reserved</a> is close to 1 other tap targets.priority - 4Size content to viewport
The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.
The page content is 1,006 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:
The element
The element
The element
The element
The element
The element
The element
The element
The element
The element
The element
<b>May 27, 2017</b> falls outside the viewport.The element
<img src="./site_assets/…/na_053533.jpg"> falls outside the viewport.The element
<iframe src="http://www.nap…get/nasem-home"> falls outside the viewport.The element
<a href="http://www.pna…ontent/current">Proceedings of…my of Sciences</a> falls outside the viewport.The element
<img src="./site_assets/…/na_053226.jpg"> falls outside the viewport.The element
<div></div> falls outside the viewport.The element
<div></div> falls outside the viewport.The element
<div></div> falls outside the viewport.The element
<li></li> falls outside the viewport.The element
<img src="./site_assets/…ogo_footer.png"> falls outside the viewport.The element
<div class="copyright">Copyright © 20…ghts reserved.</div> falls outside the viewport.nas.edu HTML validation
Errors
Obsolete doctype. Expected “<!DOCTYPE html>”.
Line: 1 Column: 1 - 90
"...<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html..."
"...<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html..."
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Line: 116 Column: 1 - 20
"...a></div> <div align="center"> <!-..." Line: 613 Column: 13 - 30
"... <div align="left"> ..." Line: 700 Column: 13 - 30
"... <div align="left"> ..." Line: 1116 Column: 1153 - 1211
"... <div class="address" style="padding-top: 5px" align="left"><a hre..." Line: 1116 Column: 1956 - 1991
"... <div class="copyright" align="left"><a hre..."
"...a></div> <div align="center"> <!-..." Line: 613 Column: 13 - 30
"... <div align="left"> ..." Line: 700 Column: 13 - 30
"... <div align="left"> ..." Line: 1116 Column: 1153 - 1211
"... <div class="address" style="padding-top: 5px" align="left"><a hre..." Line: 1116 Column: 1956 - 1991
"... <div class="copyright" align="left"><a hre..."
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
Line: 121 Column: 3 - 116
"...T --> <table cellspacing="0" cellpadding="0" align="center" border="0" style="width: 1006px; background-color: #ffffff"> <..." Line: 121 Column: 159 - 208
"... <td><table cellspacing="0" cellpadding="0" border="0"> ..." Line: 121 Column: 583 - 632
"...t: 300px"><table cellspacing="0" cellpadding="0" border="0"> ..." Line: 122 Column: 1 - 114
"... </table> <table style="width: 1006px; background-color: #FFFFFF" cellspacing="0" cellpadding="0" align="center" border="0"> <..." Line: 342 Column: 1 - 111
"...RTS --> <table width="1006px" align="center" cellspacing="0" cellpadding="0" style="background-color:white" border="0"> <tbo..." Line: 349 Column: 5 - 90
"... <table border="0" cellspacing="0" style="margin:5px; vertical-align:top; width:711px"> ..." Line: 609 Column: 9 - 60
"...> <table cellpadding="0" cellspacing="0" align="left"> ..." Line: 786 Column: 9 - 103
"...> <table bgcolor="#f0f0f0" height="20px" width="100%" cellpadding="0" cellspacing="0" border="0"> ..." Line: 898 Column: 5 - 121
"...5px"> <table id="content_right" bgcolor="#CCCCCC" style="margin-right:5px; margin-top:5px" cellspacing="0" cellpadding="0"> ..." Line: 1116 Column: 3 - 53
"...--> <table cellspacing="0" width="1006" align="center"> <..."
"...T --> <table cellspacing="0" cellpadding="0" align="center" border="0" style="width: 1006px; background-color: #ffffff"> <..." Line: 121 Column: 159 - 208
"... <td><table cellspacing="0" cellpadding="0" border="0"> ..." Line: 121 Column: 583 - 632
"...t: 300px"><table cellspacing="0" cellpadding="0" border="0"> ..." Line: 122 Column: 1 - 114
"... </table> <table style="width: 1006px; background-color: #FFFFFF" cellspacing="0" cellpadding="0" align="center" border="0"> <..." Line: 342 Column: 1 - 111
"...RTS --> <table width="1006px" align="center" cellspacing="0" cellpadding="0" style="background-color:white" border="0"> <tbo..." Line: 349 Column: 5 - 90
"... <table border="0" cellspacing="0" style="margin:5px; vertical-align:top; width:711px"> ..." Line: 609 Column: 9 - 60
"...> <table cellpadding="0" cellspacing="0" align="left"> ..." Line: 786 Column: 9 - 103
"...> <table bgcolor="#f0f0f0" height="20px" width="100%" cellpadding="0" cellspacing="0" border="0"> ..." Line: 898 Column: 5 - 121
"...5px"> <table id="content_right" bgcolor="#CCCCCC" style="margin-right:5px; margin-top:5px" cellspacing="0" cellpadding="0"> ..." Line: 1116 Column: 3 - 53
"...--> <table cellspacing="0" width="1006" align="center"> <..."
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
Line: 121 Column: 3 - 116
"...T --> <table cellspacing="0" cellpadding="0" align="center" border="0" style="width: 1006px; background-color: #ffffff"> <..." Line: 121 Column: 159 - 208
"... <td><table cellspacing="0" cellpadding="0" border="0"> ..." Line: 121 Column: 583 - 632
"...t: 300px"><table cellspacing="0" cellpadding="0" border="0"> ..." Line: 122 Column: 1 - 114
"... </table> <table style="width: 1006px; background-color: #FFFFFF" cellspacing="0" cellpadding="0" align="center" border="0"> <..." Line: 342 Column: 1 - 111
"...RTS --> <table width="1006px" align="center" cellspacing="0" cellpadding="0" style="background-color:white" border="0"> <tbo..." Line: 609 Column: 9 - 60
"...> <table cellpadding="0" cellspacing="0" align="left"> ..." Line: 786 Column: 9 - 103
"...> <table bgcolor="#f0f0f0" height="20px" width="100%" cellpadding="0" cellspacing="0" border="0"> ..." Line: 898 Column: 5 - 121
"...5px"> <table id="content_right" bgcolor="#CCCCCC" style="margin-right:5px; margin-top:5px" cellspacing="0" cellpadding="0"> ..."
"...T --> <table cellspacing="0" cellpadding="0" align="center" border="0" style="width: 1006px; background-color: #ffffff"> <..." Line: 121 Column: 159 - 208
"... <td><table cellspacing="0" cellpadding="0" border="0"> ..." Line: 121 Column: 583 - 632
"...t: 300px"><table cellspacing="0" cellpadding="0" border="0"> ..." Line: 122 Column: 1 - 114
"... </table> <table style="width: 1006px; background-color: #FFFFFF" cellspacing="0" cellpadding="0" align="center" border="0"> <..." Line: 342 Column: 1 - 111
"...RTS --> <table width="1006px" align="center" cellspacing="0" cellpadding="0" style="background-color:white" border="0"> <tbo..." Line: 609 Column: 9 - 60
"...> <table cellpadding="0" cellspacing="0" align="left"> ..." Line: 786 Column: 9 - 103
"...> <table bgcolor="#f0f0f0" height="20px" width="100%" cellpadding="0" cellspacing="0" border="0"> ..." Line: 898 Column: 5 - 121
"...5px"> <table id="content_right" bgcolor="#CCCCCC" style="margin-right:5px; margin-top:5px" cellspacing="0" cellpadding="0"> ..."
The “align” attribute on the “table” element is obsolete. Use CSS instead.
Line: 121 Column: 3 - 116
"...T --> <table cellspacing="0" cellpadding="0" align="center" border="0" style="width: 1006px; background-color: #ffffff"> <..." Line: 122 Column: 1 - 114
"... </table> <table style="width: 1006px; background-color: #FFFFFF" cellspacing="0" cellpadding="0" align="center" border="0"> <..." Line: 342 Column: 1 - 111
"...RTS --> <table width="1006px" align="center" cellspacing="0" cellpadding="0" style="background-color:white" border="0"> <tbo..." Line: 609 Column: 9 - 60
"...> <table cellpadding="0" cellspacing="0" align="left"> ..." Line: 1031 Column: 1 - 268
"...section"> <table align="left" style="margin-bottom: 2px; font-size: 13px; border-top: #cccccc 2px solid; border-right: #cccccc 2px solid; width: 262px; border-bottom: #cccccc 2px solid; color: #cccccc; border-left: #cccccc 2px solid; margin-top: 2px; background-color: #ffffff"> <..." Line: 1116 Column: 3 - 53
"...--> <table cellspacing="0" width="1006" align="center"> <..."
"...T --> <table cellspacing="0" cellpadding="0" align="center" border="0" style="width: 1006px; background-color: #ffffff"> <..." Line: 122 Column: 1 - 114
"... </table> <table style="width: 1006px; background-color: #FFFFFF" cellspacing="0" cellpadding="0" align="center" border="0"> <..." Line: 342 Column: 1 - 111
"...RTS --> <table width="1006px" align="center" cellspacing="0" cellpadding="0" style="background-color:white" border="0"> <tbo..." Line: 609 Column: 9 - 60
"...> <table cellpadding="0" cellspacing="0" align="left"> ..." Line: 1031 Column: 1 - 268
"...section"> <table align="left" style="margin-bottom: 2px; font-size: 13px; border-top: #cccccc 2px solid; border-right: #cccccc 2px solid; width: 262px; border-bottom: #cccccc 2px solid; color: #cccccc; border-left: #cccccc 2px solid; margin-top: 2px; background-color: #ffffff"> <..." Line: 1116 Column: 3 - 53
"...--> <table cellspacing="0" width="1006" align="center"> <..."
The “border” attribute on the “table” element is obsolete. Use CSS instead.
Line: 121 Column: 3 - 116
"...T --> <table cellspacing="0" cellpadding="0" align="center" border="0" style="width: 1006px; background-color: #ffffff"> <..." Line: 121 Column: 159 - 208
"... <td><table cellspacing="0" cellpadding="0" border="0"> ..." Line: 121 Column: 583 - 632
"...t: 300px"><table cellspacing="0" cellpadding="0" border="0"> ..." Line: 122 Column: 1 - 114
"... </table> <table style="width: 1006px; background-color: #FFFFFF" cellspacing="0" cellpadding="0" align="center" border="0"> <..." Line: 342 Column: 1 - 111
"...RTS --> <table width="1006px" align="center" cellspacing="0" cellpadding="0" style="background-color:white" border="0"> <tbo..." Line: 349 Column: 5 - 90
"... <table border="0" cellspacing="0" style="margin:5px; vertical-align:top; width:711px"> ..." Line: 786 Column: 9 - 103
"...> <table bgcolor="#f0f0f0" height="20px" width="100%" cellpadding="0" cellspacing="0" border="0"> ..."
"...T --> <table cellspacing="0" cellpadding="0" align="center" border="0" style="width: 1006px; background-color: #ffffff"> <..." Line: 121 Column: 159 - 208
"... <td><table cellspacing="0" cellpadding="0" border="0"> ..." Line: 121 Column: 583 - 632
"...t: 300px"><table cellspacing="0" cellpadding="0" border="0"> ..." Line: 122 Column: 1 - 114
"... </table> <table style="width: 1006px; background-color: #FFFFFF" cellspacing="0" cellpadding="0" align="center" border="0"> <..." Line: 342 Column: 1 - 111
"...RTS --> <table width="1006px" align="center" cellspacing="0" cellpadding="0" style="background-color:white" border="0"> <tbo..." Line: 349 Column: 5 - 90
"... <table border="0" cellspacing="0" style="margin:5px; vertical-align:top; width:711px"> ..." Line: 786 Column: 9 - 103
"...> <table bgcolor="#f0f0f0" height="20px" width="100%" cellpadding="0" cellspacing="0" border="0"> ..."
Attribute “value” not allowed on element “input” at this point.
Line: 121 Column: 947 - 1094
"..."text" /> <input name="sa" type="image" value="Search" alt="Search" src="./site_assets/groups/nasite/documents/webgraphics/na_062695.jpg" align="absMiddle" /> <inpu..."
"..."text" /> <input name="sa" type="image" value="Search" alt="Search" src="./site_assets/groups/nasite/documents/webgraphics/na_062695.jpg" align="absMiddle" /> <inpu..."
The “align” attribute on the “input” element is obsolete. Use CSS instead.
Line: 121 Column: 947 - 1094
"..."text" /> <input name="sa" type="image" value="Search" alt="Search" src="./site_assets/groups/nasite/documents/webgraphics/na_062695.jpg" align="absMiddle" /> <inpu..."
"..."text" /> <input name="sa" type="image" value="Search" alt="Search" src="./site_assets/groups/nasite/documents/webgraphics/na_062695.jpg" align="absMiddle" /> <inpu..."
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Line: 121 Column: 1471 - 1558
"... <td><a href="./contact/index.html" style="font-size: 12px; text-decoration: none" target="">Contac..." Line: 121 Column: 1576 - 1662
"... Us</a> | <a href="./status/index.html" style="font-size: 12px; text-decoration: none" target="">Curren..." Line: 208 Column: 8 - 40
"..."> <li><a href="./index.html" target="">Home</..." Line: 210 Column: 25 - 188
"...dropdown"><a href="http://www.nationalacademies.org/about/" aria-expanded="false" aria-haspopup="true" data-toggle="dropdown" class="dropdown-toggle" target="" role="button">About ..." Line: 212 Column: 12 - 142
"... <li><a href="http://www.nationalacademies.org/brochure/index.html?_ga=2.146899760.648719787.1497270255-141596223.1486144204" target="">The Na..." Line: 214 Column: 12 - 59
"... <li><a href="./about/whoweare/index.html" target="">Who We..." Line: 216 Column: 12 - 59
"... <li><a href="./about/whatwedo/index.html" target="">What W..." Line: 218 Column: 12 - 78
"... <li><a href="http://www.nationalacademies.org/studyprocess/" target="">Study ..." Line: 220 Column: 12 - 110
"... <li><a href="http://www8.nationalacademies.org/cp/information.aspx?key=Conflict_of_Interest" target="">Confli..." Line: 222 Column: 12 - 52
"... <li><a href="./memarea/index.html" target="">Member..." Line: 224 Column: 12 - 54
"... <li><a href="./president/index.html" target="">Presid..." Line: 226 Column: 12 - 59
"... <li><a href="./about/sponsors/index.html" target="">For Sp..." Line: 228 Column: 12 - 58
"... <li><a href="./about/contact/index.html" target="">Visiti..." Line: 230 Column: 12 - 80
"... <li><a href="http://www.nationalacademies.org/humanresources/" target="">Workin..." Line: 232 Column: 12 - 74
"... <li><a href="http://sites.nationalacademies.org/Giving/" target="">Giving..." Line: 236 Column: 25 - 173
"...dropdown"><a href="./directories/index.html" aria-expanded="false" aria-haspopup="true" data-toggle="dropdown" class="dropdown-toggle" target="" role="button">Organi..." Line: 242 Column: 12 - 57
"... <li><a href="http://www.nasonline.org/" target="">Nation..." Line: 244 Column: 12 - 51
"... <li><a href="http://www.nae.edu/" target="">Nation..." Line: 246 Column: 12 - 51
"... <li><a href="http://www.nam.edu/" target="">Nation..." Line: 252 Column: 12 - 74
"... <li><a href="http://sites.nationalacademies.org/DBASSE/" target="">Behavi..." Line: 254 Column: 12 - 52
"... <li><a href="http://dels.nas.edu/" target="">Earth ..." Line: 256 Column: 12 - 71
"... <li><a href="http://sites.nationalacademies.org/deps" target="">Engine..." Line: 258 Column: 12 - 69
"... <li><a href="http://www.nationalacademies.org/hmd/" target="">Health..." Line: 260 Column: 12 - 70
"... <li><a href="http://sites.nationalacademies.org/pga" target="">Policy..." Line: 262 Column: 12 - 51
"... <li><a href="http://www.trb.org/" target="">Transp..." Line: 264 Column: 12 - 70
"... <li><a href="http://www.nationalacademies.org/gulf/" target="">Gulf R..." Line: 266 Column: 12 - 50
"... <li><a href="./nasem/index.html" target="">More A..." Line: 270 Column: 25 - 161
"...dropdown"><a href="./index.html" aria-expanded="false" aria-haspopup="true" data-toggle="dropdown" class="dropdown-toggle" target="" role="button">Events..." Line: 272 Column: 12 - 68
"... <li><a href="http://www8.nationalacademies.org/cp" target="">Curren..." Line: 274 Column: 12 - 78
"... <li><a href="http://www8.nationalacademies.org/publicevent/" target="">Upcomi..." Line: 276 Column: 12 - 55
"... <li><a href="./multimedia/index.html" target="">Multim..." Line: 278 Column: 12 - 81
"... <li><a href="http://sites.nationalacademies.org/International/" target="">Intern..." Line: 280 Column: 12 - 57
"... <li><a href="./about/awards/index.html" target="">Awards..." Line: 282 Column: 12 - 58
"... <li><a href="./grantprograms/index.html" target="">Fellow..." Line: 284 Column: 12 - 72
"... <li><a href="https://www.koshland-science-museum.org/" target="">Koshla..." Line: 286 Column: 12 - 52
"... <li><a href="http://www.cpnas.org" target="">Cultur..." Line: 290 Column: 25 - 174
"...dropdown"><a href="./publications/index.html" aria-expanded="false" aria-haspopup="true" data-toggle="dropdown" class="dropdown-toggle" target="" role="button">Resour..." Line: 292 Column: 12 - 51
"... <li><a href="http://www.nap.edu/" target="">Read a..." Line: 294 Column: 16 - 56
"... <li><em><a href="http://www.pnas.org/" target="">Procee..." Line: 296 Column: 12 - 57
"... <li><a href="http://pubsindex.trb.org/" target="">Transp..." Line: 298 Column: 12 - 74
"... <li><a href="http://www.nationalacademies.org/newsroom/" target="">Newsro..." Line: 300 Column: 12 - 70
"... <li><a href="http://www.nationalacademies.org/OCGA/" target="">Congre..." Line: 302 Column: 12 - 54
"... <li><a href="./education/index.html" target="">For Te..." Line: 304 Column: 12 - 57
"... <li><a href="./publications/index.html" target="">Other ..." Line: 306 Column: 12 - 80
"... <li><a href="http://www.nationalacademies.org/researchcenter/" target="">Resear..." Line: 310 Column: 25 - 170
"...dropdown"><a href="./newsroom/index.html" aria-expanded="false" aria-haspopup="true" data-toggle="dropdown" class="dropdown-toggle" target="" role="button">Newsro..." Line: 312 Column: 12 - 53
"... <li><a href="./newsroom/index.html" target="">Newsro..." Line: 314 Column: 12 - 59
"... <li><a href="./newsroom/staff/index.html" target="">Media ..." Line: 316 Column: 12 - 86
"... <li><a href="http://www8.nationalacademies.org/onpinews/bydate.aspx" target="">News R..." Line: 318 Column: 12 - 93
"... <li><a href="http://www8.nationalacademies.org/onpinews/reportsevents.aspx" target="">Media ..." Line: 320 Column: 12 - 55
"... <li><a href="./multimedia/index.html" target="">Multim..." Line: 322 Column: 12 - 54
"... <li><a href="./president/index.html" target="">Presid..." Line: 324 Column: 12 - 66
"... <li><a href="http://www.keckfutures.org/awards/" target="">Commun..." Line: 326 Column: 12 - 53
"... <li><a href="./datafiles/index.htm" target="">FAQ</a..." Line: 1116 Column: 531 - 594
"... <li><a href="https://www.facebook.com/NationalAcademies/" target=""><img s..." Line: 1116 Column: 1882 - 1920
"...Use</a> | <a href="./simap/index.html" target="">Site M..." Line: 1116 Column: 1992 - 2030
"...gn="left"><a href="./legal/index.html" target="">Copyri..."
"... <td><a href="./contact/index.html" style="font-size: 12px; text-decoration: none" target="">Contac..." Line: 121 Column: 1576 - 1662
"... Us</a> | <a href="./status/index.html" style="font-size: 12px; text-decoration: none" target="">Curren..." Line: 208 Column: 8 - 40
"..."> <li><a href="./index.html" target="">Home</..." Line: 210 Column: 25 - 188
"...dropdown"><a href="http://www.nationalacademies.org/about/" aria-expanded="false" aria-haspopup="true" data-toggle="dropdown" class="dropdown-toggle" target="" role="button">About ..." Line: 212 Column: 12 - 142
"... <li><a href="http://www.nationalacademies.org/brochure/index.html?_ga=2.146899760.648719787.1497270255-141596223.1486144204" target="">The Na..." Line: 214 Column: 12 - 59
"... <li><a href="./about/whoweare/index.html" target="">Who We..." Line: 216 Column: 12 - 59
"... <li><a href="./about/whatwedo/index.html" target="">What W..." Line: 218 Column: 12 - 78
"... <li><a href="http://www.nationalacademies.org/studyprocess/" target="">Study ..." Line: 220 Column: 12 - 110
"... <li><a href="http://www8.nationalacademies.org/cp/information.aspx?key=Conflict_of_Interest" target="">Confli..." Line: 222 Column: 12 - 52
"... <li><a href="./memarea/index.html" target="">Member..." Line: 224 Column: 12 - 54
"... <li><a href="./president/index.html" target="">Presid..." Line: 226 Column: 12 - 59
"... <li><a href="./about/sponsors/index.html" target="">For Sp..." Line: 228 Column: 12 - 58
"... <li><a href="./about/contact/index.html" target="">Visiti..." Line: 230 Column: 12 - 80
"... <li><a href="http://www.nationalacademies.org/humanresources/" target="">Workin..." Line: 232 Column: 12 - 74
"... <li><a href="http://sites.nationalacademies.org/Giving/" target="">Giving..." Line: 236 Column: 25 - 173
"...dropdown"><a href="./directories/index.html" aria-expanded="false" aria-haspopup="true" data-toggle="dropdown" class="dropdown-toggle" target="" role="button">Organi..." Line: 242 Column: 12 - 57
"... <li><a href="http://www.nasonline.org/" target="">Nation..." Line: 244 Column: 12 - 51
"... <li><a href="http://www.nae.edu/" target="">Nation..." Line: 246 Column: 12 - 51
"... <li><a href="http://www.nam.edu/" target="">Nation..." Line: 252 Column: 12 - 74
"... <li><a href="http://sites.nationalacademies.org/DBASSE/" target="">Behavi..." Line: 254 Column: 12 - 52
"... <li><a href="http://dels.nas.edu/" target="">Earth ..." Line: 256 Column: 12 - 71
"... <li><a href="http://sites.nationalacademies.org/deps" target="">Engine..." Line: 258 Column: 12 - 69
"... <li><a href="http://www.nationalacademies.org/hmd/" target="">Health..." Line: 260 Column: 12 - 70
"... <li><a href="http://sites.nationalacademies.org/pga" target="">Policy..." Line: 262 Column: 12 - 51
"... <li><a href="http://www.trb.org/" target="">Transp..." Line: 264 Column: 12 - 70
"... <li><a href="http://www.nationalacademies.org/gulf/" target="">Gulf R..." Line: 266 Column: 12 - 50
"... <li><a href="./nasem/index.html" target="">More A..." Line: 270 Column: 25 - 161
"...dropdown"><a href="./index.html" aria-expanded="false" aria-haspopup="true" data-toggle="dropdown" class="dropdown-toggle" target="" role="button">Events..." Line: 272 Column: 12 - 68
"... <li><a href="http://www8.nationalacademies.org/cp" target="">Curren..." Line: 274 Column: 12 - 78
"... <li><a href="http://www8.nationalacademies.org/publicevent/" target="">Upcomi..." Line: 276 Column: 12 - 55
"... <li><a href="./multimedia/index.html" target="">Multim..." Line: 278 Column: 12 - 81
"... <li><a href="http://sites.nationalacademies.org/International/" target="">Intern..." Line: 280 Column: 12 - 57
"... <li><a href="./about/awards/index.html" target="">Awards..." Line: 282 Column: 12 - 58
"... <li><a href="./grantprograms/index.html" target="">Fellow..." Line: 284 Column: 12 - 72
"... <li><a href="https://www.koshland-science-museum.org/" target="">Koshla..." Line: 286 Column: 12 - 52
"... <li><a href="http://www.cpnas.org" target="">Cultur..." Line: 290 Column: 25 - 174
"...dropdown"><a href="./publications/index.html" aria-expanded="false" aria-haspopup="true" data-toggle="dropdown" class="dropdown-toggle" target="" role="button">Resour..." Line: 292 Column: 12 - 51
"... <li><a href="http://www.nap.edu/" target="">Read a..." Line: 294 Column: 16 - 56
"... <li><em><a href="http://www.pnas.org/" target="">Procee..." Line: 296 Column: 12 - 57
"... <li><a href="http://pubsindex.trb.org/" target="">Transp..." Line: 298 Column: 12 - 74
"... <li><a href="http://www.nationalacademies.org/newsroom/" target="">Newsro..." Line: 300 Column: 12 - 70
"... <li><a href="http://www.nationalacademies.org/OCGA/" target="">Congre..." Line: 302 Column: 12 - 54
"... <li><a href="./education/index.html" target="">For Te..." Line: 304 Column: 12 - 57
"... <li><a href="./publications/index.html" target="">Other ..." Line: 306 Column: 12 - 80
"... <li><a href="http://www.nationalacademies.org/researchcenter/" target="">Resear..." Line: 310 Column: 25 - 170
"...dropdown"><a href="./newsroom/index.html" aria-expanded="false" aria-haspopup="true" data-toggle="dropdown" class="dropdown-toggle" target="" role="button">Newsro..." Line: 312 Column: 12 - 53
"... <li><a href="./newsroom/index.html" target="">Newsro..." Line: 314 Column: 12 - 59
"... <li><a href="./newsroom/staff/index.html" target="">Media ..." Line: 316 Column: 12 - 86
"... <li><a href="http://www8.nationalacademies.org/onpinews/bydate.aspx" target="">News R..." Line: 318 Column: 12 - 93
"... <li><a href="http://www8.nationalacademies.org/onpinews/reportsevents.aspx" target="">Media ..." Line: 320 Column: 12 - 55
"... <li><a href="./multimedia/index.html" target="">Multim..." Line: 322 Column: 12 - 54
"... <li><a href="./president/index.html" target="">Presid..." Line: 324 Column: 12 - 66
"... <li><a href="http://www.keckfutures.org/awards/" target="">Commun..." Line: 326 Column: 12 - 53
"... <li><a href="./datafiles/index.htm" target="">FAQ</a..." Line: 1116 Column: 531 - 594
"... <li><a href="https://www.facebook.com/NationalAcademies/" target=""><img s..." Line: 1116 Column: 1882 - 1920
"...Use</a> | <a href="./simap/index.html" target="">Site M..." Line: 1116 Column: 1992 - 2030
"...gn="left"><a href="./legal/index.html" target="">Copyri..."
The “width” attribute on the “table” element is obsolete. Use CSS instead.
Line: 342 Column: 1 - 111
"...RTS --> <table width="1006px" align="center" cellspacing="0" cellpadding="0" style="background-color:white" border="0"> <tbo..." Line: 786 Column: 9 - 103
"...> <table bgcolor="#f0f0f0" height="20px" width="100%" cellpadding="0" cellspacing="0" border="0"> ..." Line: 1116 Column: 3 - 53
"...--> <table cellspacing="0" width="1006" align="center"> <..."
"...RTS --> <table width="1006px" align="center" cellspacing="0" cellpadding="0" style="background-color:white" border="0"> <tbo..." Line: 786 Column: 9 - 103
"...> <table bgcolor="#f0f0f0" height="20px" width="100%" cellpadding="0" cellspacing="0" border="0"> ..." Line: 1116 Column: 3 - 53
"...--> <table cellspacing="0" width="1006" align="center"> <..."
No space between attributes.
Line: 345 Column: - 64
"...ng-bottom:10px""> <!-- CON..."
"...ng-bottom:10px""> <!-- CON..."
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Line: 345 Column: - 64
"...ng-bottom:10px""> <!-- CON..."
"...ng-bottom:10px""> <!-- CON..."
Attribute “"” not allowed on element “td” at this point.
Line: 345 Column: 7 - 65
"...dy> <tr> <td valign=top style="padding-top:15px; padding-bottom:10px""> <..."
"...dy> <tr> <td valign=top style="padding-top:15px; padding-bottom:10px""> <..."
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
Line: 345 Column: 7 - 65
"...dy> <tr> <td valign=top style="padding-top:15px; padding-bottom:10px""> <..." Line: 352 Column: 11 - 40
"... <tr> <td valign="top" align="center"> ..." Line: 611 Column: 15 - 53
"... <tr> <td valign="top" style="padding-top:10px"> ..." Line: 698 Column: 17 - 53
"... </td> <td valign="top" style="padding-top:10px"> ..." Line: 897 Column: 38 - 45
"...STARTS --> <td valign="top" style="padding-top:15px"> <..." Line: 902 Column: 11 - 65
"... <tr> <td valign="top" style="padding-bottom:10px; width:260px"> ..." Line: 971 Column: 11 - 52
"... <tr> <td valign="top" style="padding-bottom:10px"> ..." Line: 1116 Column: 79 - 126
"... <tr> <td bgcolor="#ffffff" valign="top"><div i..."
"...dy> <tr> <td valign=top style="padding-top:15px; padding-bottom:10px""> <..." Line: 352 Column: 11 - 40
"... <tr> <td valign="top" align="center"> ..." Line: 611 Column: 15 - 53
"... <tr> <td valign="top" style="padding-top:10px"> ..." Line: 698 Column: 17 - 53
"... </td> <td valign="top" style="padding-top:10px"> ..." Line: 897 Column: 38 - 45
"...STARTS --> <td valign="top" style="padding-top:15px"> <..." Line: 902 Column: 11 - 65
"... <tr> <td valign="top" style="padding-bottom:10px; width:260px"> ..." Line: 971 Column: 11 - 52
"... <tr> <td valign="top" style="padding-bottom:10px"> ..." Line: 1116 Column: 79 - 126
"... <tr> <td bgcolor="#ffffff" valign="top"><div i..."
The “align” attribute on the “td” element is obsolete. Use CSS instead.
Line: 352 Column: 11 - 40
"... <tr> <td valign="top" align="center"> ..." Line: 538 Column: 11 - 24
"... <tr> <td align="left"> ..." Line: 783 Column: 11 - 51
"... <tr> <td style="padding-top:15px" align="center"> ..." Line: 1031 Column: 294 - 323
"... <tr> <td align="left"><p><a ..."
"... <tr> <td valign="top" align="center"> ..." Line: 538 Column: 11 - 24
"... <tr> <td align="left"> ..." Line: 783 Column: 11 - 51
"... <tr> <td style="padding-top:15px" align="center"> ..." Line: 1031 Column: 294 - 323
"... <tr> <td align="left"><p><a ..."
Element “style” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Line: 432 Column: 1 - 23
"... <style type="text/css"> .s..."
"... <style type="text/css"> .s..."
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Line: 446 Column: 2 - 98
"...usel --> <div id="theCarousel" class="whiteback carousel slide" data-interval="7000" data-ride="carousel"> <d..." Line: 683 Column: 1 - 63
"...5px;">--> <div style="width: 335px; margin-left: 5px; margin-top: 10px;"> <div ..." Line: 770 Column: 1 - 108
"...5px;">--> <div style="margin-left: 8px; margin-right: 5px; margin-top: 10px; border: #cccccc 2px solid; height:348px"><p sty..." Line: 854 Column: 5 - 35
"...ts"> <div class="jcarousel-wrapper"> ..." Line: 963 Column: 1 - 29
"...g" /></a> <div style="margin-top:18px"><ifram..."
"...usel --> <div id="theCarousel" class="whiteback carousel slide" data-interval="7000" data-ride="carousel"> <d..." Line: 683 Column: 1 - 63
"...5px;">--> <div style="width: 335px; margin-left: 5px; margin-top: 10px;"> <div ..." Line: 770 Column: 1 - 108
"...5px;">--> <div style="margin-left: 8px; margin-right: 5px; margin-top: 10px; border: #cccccc 2px solid; height:348px"><p sty..." Line: 854 Column: 5 - 35
"...ts"> <div class="jcarousel-wrapper"> ..." Line: 963 Column: 1 - 29
"...g" /></a> <div style="margin-top:18px"><ifram..."
Attribute “height” not allowed on element “table” at this point.
Line: 786 Column: 9 - 103
"...> <table bgcolor="#f0f0f0" height="20px" width="100%" cellpadding="0" cellspacing="0" border="0"> ..."
"...> <table bgcolor="#f0f0f0" height="20px" width="100%" cellpadding="0" cellspacing="0" border="0"> ..."
The “bgcolor” attribute on the “table” element is obsolete. Use CSS instead.
Line: 786 Column: 9 - 103
"...> <table bgcolor="#f0f0f0" height="20px" width="100%" cellpadding="0" cellspacing="0" border="0"> ..." Line: 898 Column: 5 - 121
"...5px"> <table id="content_right" bgcolor="#CCCCCC" style="margin-right:5px; margin-top:5px" cellspacing="0" cellpadding="0"> ..."
"...> <table bgcolor="#f0f0f0" height="20px" width="100%" cellpadding="0" cellspacing="0" border="0"> ..." Line: 898 Column: 5 - 121
"...5px"> <table id="content_right" bgcolor="#CCCCCC" style="margin-right:5px; margin-top:5px" cellspacing="0" cellpadding="0"> ..."
End tag “td” seen, but there were open elements.
Line: 885 Column: 8 - 12
"...> </td> ..."
"...> </td> ..."
Unclosed element “div”.
Line: 785 Column: 9 - 46
"... <div id="content" style="width:711px"> ..."
"... <div id="content" style="width:711px"> ..."
Element “table” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Line: 1031 Column: 1 - 268
"...section"> <table align="left" style="margin-bottom: 2px; font-size: 13px; border-top: #cccccc 2px solid; border-right: #cccccc 2px solid; width: 262px; border-bottom: #cccccc 2px solid; color: #cccccc; border-left: #cccccc 2px solid; margin-top: 2px; background-color: #ffffff"> <..." Line: 1099 Column: 1 - 160
"...section"> <table style="border-bottom: #cccccc 2px solid; border-left: #cccccc 2px solid; color: #cccccc; border-top: #cccccc 2px solid; border-right: #cccccc 2px solid"> <..."
"...section"> <table align="left" style="margin-bottom: 2px; font-size: 13px; border-top: #cccccc 2px solid; border-right: #cccccc 2px solid; width: 262px; border-bottom: #cccccc 2px solid; color: #cccccc; border-left: #cccccc 2px solid; margin-top: 2px; background-color: #ffffff"> <..." Line: 1099 Column: 1 - 160
"...section"> <table style="border-bottom: #cccccc 2px solid; border-left: #cccccc 2px solid; color: #cccccc; border-top: #cccccc 2px solid; border-right: #cccccc 2px solid"> <..."
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Line: 1031 Column: 358 - 564
"...nas.org/"><img width="80" style="float: left; padding-right: 10px" alt="Cover of this week's issue of PNAS" title="Cover of this week's issue of PNAS" src="http://www.pnas.org/content/114/49.cover.gif" align="left" /></a><s..." Line: 1099 Column: 276 - 409
"...dex.html"><img width="258px" alt="Our Two Locations in DC" src="./site_assets/groups/nasite/documents/webgraphics/na_053533.jpg" align="left" /></a></..." Line: 1099 Column: 524 - 683
"...ndex.htm"><img style="margin-top: 16px; margin-left: 1px" alt="Make a Gift Online" src="./site_assets/groups/nasite/documents/webgraphics/na_180829.jpg" align="middle" /></a> ..." Line: 1116 Column: 1255 - 1514
"...mies.org"><img height="60" width="270" alt="National Academies of Sciences, Engineering, and Medicine" src="./site_assets/groups/nasite/documents/webgraphics/na_nasem_logo_footer.png" title="The National Academies of Sciences, Engineering, and Medicine" align="right" /></a> ..."
"...nas.org/"><img width="80" style="float: left; padding-right: 10px" alt="Cover of this week's issue of PNAS" title="Cover of this week's issue of PNAS" src="http://www.pnas.org/content/114/49.cover.gif" align="left" /></a><s..." Line: 1099 Column: 276 - 409
"...dex.html"><img width="258px" alt="Our Two Locations in DC" src="./site_assets/groups/nasite/documents/webgraphics/na_053533.jpg" align="left" /></a></..." Line: 1099 Column: 524 - 683
"...ndex.htm"><img style="margin-top: 16px; margin-left: 1px" alt="Make a Gift Online" src="./site_assets/groups/nasite/documents/webgraphics/na_180829.jpg" align="middle" /></a> ..." Line: 1116 Column: 1255 - 1514
"...mies.org"><img height="60" width="270" alt="National Academies of Sciences, Engineering, and Medicine" src="./site_assets/groups/nasite/documents/webgraphics/na_nasem_logo_footer.png" title="The National Academies of Sciences, Engineering, and Medicine" align="right" /></a> ..."
The “bgcolor” attribute on the “td” element is obsolete. Use CSS instead.
Line: 1116 Column: 79 - 126
"... <tr> <td bgcolor="#ffffff" valign="top"><div i..."
"... <tr> <td bgcolor="#ffffff" valign="top"><div i..."
Warnings
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Line: 121 Column: 365 - 516
"...ies.org/"><img border="0" alt="The National Academies of Sciences, Engineering, Medicine" src="./site_assets/groups/nasite/documents/webgraphics/na_178437.gif" /></a></..."
"...ies.org/"><img border="0" alt="The National Academies of Sciences, Engineering, Medicine" src="./site_assets/groups/nasite/documents/webgraphics/na_178437.gif" /></a></..."
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Line: 128 Column: 1 - 53
"... <td> <script language="javascript" type="text/javascript"> ..."
"... <td> <script language="javascript" type="text/javascript"> ..."
The “navigation” role is unnecessary for element “nav”.
Line: 196 Column: 1 - 53
"...</script> <nav class="navbar navbar-default" role="navigation"> ..."
"...</script> <nav class="navbar navbar-default" role="navigation"> ..."
Attribute “"” is not serializable as XML 1.0.
Line: 345 Column: 7 - 65
"...dy> <tr> <td valign=top style="padding-top:15px; padding-bottom:10px""> <..."
"...dy> <tr> <td valign=top style="padding-top:15px; padding-bottom:10px""> <..."
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Line: 364 Column: 9 - 23
"...> <a name="main"></a> ..."
"...> <a name="main"></a> ..."
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
Line: 2 Column: 91 - 43
"...rict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head..."
"...rict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head..."
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nas.edu Ping
Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.
nas.edu TRACEROUTE
Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.