si.edu Website Information
Daily Unique Visits: 3,636,912
Daily Page Views: 29,095,296
Income Per Day: $29,095
Estimated Value: $31,422,600
This website is located in United States and is using following IP address 160.111.244.22. See the complete list of popular websites hosted in United States.
si.edu is registered under .EDU top-level domain. Please check other sites in .EDU zone.
Website si.edu is using the following name servers:
- SI-NAMES1.si.edu
- SI-NAMES2.si.edu
and is probably hosted by SMITHSONIAN - Smithsonian Institution, US. See the full list of other websites hosted by SMITHSONIAN - Smithsonian Institution, US.
The highest website si.edu position in Alexa rank database was 405 and the lowest rank position was 427. Current position of si.edu in Alexa rank database is 419.
Desktop speed score of si.edu (83/100) is better than the results of 76.15% of other sites and shows that the page is performing great on desktop computers.
Mobile usability score of si.edu (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.
Mobile speed score of si.edu (80/100) is better than the results of 88.23% of other sites and shows that the landing page performance on mobile devices is excellent.
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si.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.
si.edu whois
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Domain Name: SI.EDU
Registrant:
Smithsonian Institution
380 Herndon Parkway
Herndon, VA 20170
USA
Administrative Contact:
Brian Alpert
Smithsonian Institution
380 Herndon Parkway, MRC 1010
Herndon, VA 20170
USA
+1.2026333955
alpertb@si.edu
Technical Contact:
Joseph Johnston
Smithsonian Institution
380 Herndon Parkway
Herndon, VA 20170
USA
+1.2026332715
johnstonj@si.edu
Name Servers:
A1-88.AKAM.NET
A24-67.AKAM.NET
A28-65.AKAM.NET
A9-64.AKAM.NET
A11-67.AKAM.NET
A26-66.AKAM.NET
Domain record activated: 19-Jun-1992
Domain record last updated: 10-Jul-2024
Domain expires: 31-Jul-2027
si.edu server information
Servers Location
si.edu desktop page speed rank
Last tested: 2017-05-24
si.edu Desktop Speed Test Quick Summary
priority - 9Enable 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 84.9KiB (72% reduction).
Compressing https://www.si.edu/sites/default/files/googleanalytics/analytics.js?oq7hq0 could save 17.2KiB (58% reduction).
Compressing https://www.si.edu/sites/all/themes/si_baseline/js/webtrends.js could save 11.2KiB (69% reduction).
priority - 4Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 41.6KiB (47% reduction).
Compressing https://www.si.edu/sites/all/themes/si_baseline/im…os/logo.png?1486598614 could save 2.2KiB (16% reduction).
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 22KiB (22% reduction).
Minifying https://www.si.edu/sites/default/files/js/js_jUGMA…5Zo2RFUW2xbLBM2kqrc.js could save 4.7KiB (13% reduction) after compression.
Minifying https://www.si.edu/sites/default/files/js/js_pqj7d…gaV3FakVHsJbyb_L_1w.js could save 3.8KiB (21% reduction) after compression.
Minifying https://www.si.edu/sites/default/files/js/js_hdKS3…kgPZkl2f92WxycmqwVQ.js could save 3.3KiB (32% reduction) after compression.
Minifying https://www.si.edu/sites/all/themes/si_baseline/js/webtrends.js could save 2.2KiB (14% reduction).
Minifying https://www.si.edu/fsrscripts/foresee-surveydef.js?build=11 could save 1.2KiB (45% reduction) after compression.
Minifying https://www.si.edu/sites/default/files/js/js_n7Rcm…LO4awRHIOSSv2x9zWJw.js could save 1.1KiB (22% reduction) after compression.
priority - 2Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
priority - 1Leverage 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:
si.edu Desktop Resource Breakdown
| Total Resources | 58 |
| Number of Hosts | 8 |
| Static Resources | 42 |
| JavaScript Resources | 12 |
| CSS Resources | 7 |
si.edu mobile page speed rank
Last tested: 2017-05-24
si.edu Mobile Speed Test Quick Summary
priority - 9Enable 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 84.9KiB (72% reduction).
Compressing https://www.si.edu/sites/default/files/googleanalytics/analytics.js?oq7hq0 could save 17.2KiB (58% reduction).
Compressing https://www.si.edu/sites/all/themes/si_baseline/js/webtrends.js could save 11.2KiB (69% reduction).
priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
priority - 4Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 41.6KiB (47% reduction).
Compressing https://www.si.edu/sites/all/themes/si_baseline/im…os/logo.png?1486598614 could save 2.2KiB (16% reduction).
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 20.8KiB (21% reduction).
Minifying https://www.si.edu/sites/default/files/js/js_jUGMA…5Zo2RFUW2xbLBM2kqrc.js could save 4.7KiB (13% reduction) after compression.
Minifying https://www.si.edu/sites/default/files/js/js_pqj7d…gaV3FakVHsJbyb_L_1w.js could save 3.8KiB (21% reduction) after compression.
Minifying https://www.si.edu/sites/default/files/js/js_hdKS3…kgPZkl2f92WxycmqwVQ.js could save 3.3KiB (32% reduction) after compression.
Minifying https://www.si.edu/sites/all/themes/si_baseline/js/webtrends.js could save 2.2KiB (14% reduction).
Minifying https://www.si.edu/sites/default/files/js/js_n7Rcm…LO4awRHIOSSv2x9zWJw.js could save 1.1KiB (22% reduction) after compression.
priority - 1Leverage 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:
si.edu Mobile Resource Breakdown
| Total Resources | 57 |
| Number of Hosts | 9 |
| Static Resources | 42 |
| JavaScript Resources | 12 |
| CSS Resources | 6 |
si.edu mobile page usability
Last tested: 2017-05-24
si.edu Mobile Usability Test Quick Summary
priority - 1Size 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.
<a href="/contacts">Contact Us</a> and 8 others are close to other tap targets.si.edu HTML validation
Errors
A “charset” attribute on a “meta” element found after the first 1024 bytes.
"... charset="utf-8" /> <link rel=..."
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
"...ml8wp" /> <meta http-equiv="cleartype" content="on" /> <link..."
Duplicate attribute “class”.
"...ane-284" class="panel-pane pa..." Line: 165 Column: - 239
"..."article" class="node node--sl..." Line: 196 Column: - 211
"..."article" class="node node--sl..." Line: 230 Column: - 218
"..."article" class="node node--sl..." Line: 264 Column: - 216
"..."article" class="node node--sl..." Line: 298 Column: - 234
"..."article" class="node node--sl..." Line: 332 Column: - 212
"..."article" class="node node--sl..." Line: 377 Column: - 99
"...ane-285" class="panel-pane pa..." Line: 391 Column: - 138
"...item-824" class="entity entity..." Line: 414 Column: - 151
"...item-825" class="entity entity..." Line: 439 Column: - 155
"...item-642" class="entity entity..." Line: 451 Column: - 171
"...item-643" class="entity entity..." Line: 461 Column: - 200
"..."article" class="node node--te..." Line: 486 Column: - 200
"..."article" class="node..." Line: 511 Column: - 197
"..."article" class="node node--te..." Line: 535 Column: - 195
"..."article" class="node node--te..." Line: 560 Column: - 198
"..."article" class="node node--te..." Line: 585 Column: - 197
"..."article" class="node node--te..." Line: 610 Column: - 194
"..."article" class="node node--te..." Line: 634 Column: - 210
"..."article" class="node node--te..." Line: 658 Column: - 205
"..."article" class="node node--te..." Line: 683 Column: - 207
"..."article" class="node node--te..." Line: 708 Column: - 200
"..."article" class="node node--te..." Line: 733 Column: - 214
"..."article" class="node node--te..." Line: 767 Column: - 213
"...tem-2231" class="entity entity..." Line: 771 Column: - 195
"...tem-2228" class="entity entity..." Line: 790 Column: - 195
"...tem-2229" class="entity entity..." Line: 809 Column: - 195
"...tem-2226" class="entity entity..." Line: 828 Column: - 195
"...tem-2227" class="entity entity..." Line: 869 Column: - 106
"...ane-355" class="panel-pane pa..." Line: 877 Column: - 84
"...ane-356" class="panel-pane pa..." Line: 897 Column: - 96
"...ane-354" class="panel-pane pa..." Line: 910 Column: - 92
"...ane-357" class="panel-pane pa..."
Warnings
The “banner” role is unnecessary for element “header”.
"...e"> <header class="l-header " role="banner"> ..."
The “contentinfo” role is unnecessary for element “footer”.
"...div> <footer class="l-footer" role="contentinfo"> ..."
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si.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.
si.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.