davidbrin.com Website Information
Daily Unique Visits: 16,147
Daily Page Views: 96,882
Income Per Day: $194
Estimated Value: $139,680
This website is located in United States and is using following IP address 209.200.227.230. See the complete list of popular websites hosted in United States.
davidbrin.com is registered under .COM top-level domain. Please check other sites in .COM zone.
Website davidbrin.com is using the following name servers:
- ns1.lunariffic.com
- ns2.lunariffic.com
and is probably hosted by ASN-QUADRANET-GLOBAL - QuadraNet, Inc, US. See the full list of other websites hosted by ASN-QUADRANET-GLOBAL - QuadraNet, Inc, US.
The highest website davidbrin.com position in Alexa rank database was 84746 and the lowest rank position was 999532. Current position of davidbrin.com in Alexa rank database is 88823.
Desktop speed score of davidbrin.com (47/100) is better than the results of 20.85% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of davidbrin.com (97/100) is better than the results of 49.9% of other sites and means that the page is mobile-friendly.
Mobile speed score of davidbrin.com (42/100) is better than the results of 21.5% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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davidbrin.com 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.
davidbrin.com whois
WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.
Domain Name: DAVIDBRIN.COM
Registry Domain ID: 5464818_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2022-02-19T09:15:10Z
Creation Date: 1999-04-20T04:00:00Z
Registry Expiry Date: 2027-04-20T04:00:00Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: abuse@web.com
Registrar Abuse Contact Phone: +1.8003337680
Domain Status: ok https://icann.org/epp#ok
Name Server: NS1.LUNARIFFIC.COM
Name Server: NS2.LUNARIFFIC.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-10-03T13:04:23Z
Registry Domain ID: 5464818_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2022-02-19T09:15:10Z
Creation Date: 1999-04-20T04:00:00Z
Registry Expiry Date: 2027-04-20T04:00:00Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: abuse@web.com
Registrar Abuse Contact Phone: +1.8003337680
Domain Status: ok https://icann.org/epp#ok
Name Server: NS1.LUNARIFFIC.COM
Name Server: NS2.LUNARIFFIC.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-10-03T13:04:23Z
davidbrin.com server information
Servers Location
davidbrin.com desktop page speed rank
Last tested: 2019-10-29
Desktop Speed
Bad
47/100
davidbrin.com Desktop Speed Test Quick Summary
priority - 41Enable 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 398.7KiB (75% reduction).
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Compressing http://davidbrin.com/js/jquery-1.8.3.min.js could save 58.8KiB (64% reduction).
Compressing http://davidbrin.com/ could save 38.4KiB (71% reduction).
Compressing http://davidbrin.com/css/style.css could save 32.3KiB (83% reduction).
Compressing http://davidbrin.com/js/camera.min.js could save 30.1KiB (78% reduction).
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Compressing http://davidbrin.com/css/font-awesome.css could save 18.2KiB (81% reduction).
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Compressing http://davidbrin.com/js/jquery.mobile.customized.min.js could save 10.8KiB (62% reduction).
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Compressing http://davidbrin.com/js/jquery.slicknav.js could save 7.6KiB (69% reduction).
Compressing http://davidbrin.com/js/jquery.easing.1.3.js could save 6KiB (75% reduction).
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Compressing http://davidbrin.com/js/sorting.js could save 2.5KiB (63% reduction).
Compressing http://davidbrin.com/css/slicknav.css could save 1.9KiB (67% reduction).
Compressing http://davidbrin.com/js/jquery-1.8.3.min.js could save 58.8KiB (64% reduction).
Compressing http://davidbrin.com/ could save 38.4KiB (71% reduction).
Compressing http://davidbrin.com/css/style.css could save 32.3KiB (83% reduction).
Compressing http://davidbrin.com/js/camera.min.js could save 30.1KiB (78% reduction).
Compressing http://davidbrin.com/css/camera.css could save 22.8KiB (87% reduction).
Compressing http://davidbrin.com/js/bootstrap.min.js could save 20.9KiB (73% reduction).
Compressing http://davidbrin.com/css/font-awesome.css could save 18.2KiB (81% reduction).
Compressing http://davidbrin.com/css/prettyPhoto.css could save 16.7KiB (86% reduction).
Compressing http://davidbrin.com/js/jquery.prettyPhoto.js could save 15.7KiB (72% reduction).
Compressing http://davidbrin.com/js/jquery.mobile.customized.min.js could save 10.8KiB (62% reduction).
Compressing http://davidbrin.com/js/jquery.isotope.js could save 10.6KiB (68% reduction).
Compressing http://davidbrin.com/js/jquery.slicknav.js could save 7.6KiB (69% reduction).
Compressing http://davidbrin.com/js/jquery.easing.1.3.js could save 6KiB (75% reduction).
Compressing http://davidbrin.com/js/myscript.js could save 5KiB (57% reduction).
Compressing http://davidbrin.com/js/sorting.js could save 2.5KiB (63% reduction).
Compressing http://davidbrin.com/css/slicknav.css could save 1.9KiB (67% reduction).
priority - 32Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 312.2KiB (24% reduction).
Compressing http://davidbrin.com/images/line7Bg.jpg could save 103.9KiB (19% reduction).
Compressing http://davidbrin.com/images/bgTop.jpg could save 21.8KiB (20% reduction).
Compressing http://davidbrin.com/images/picAbout/brinPinterest.jpg could save 19.1KiB (47% reduction).
Compressing http://davidbrin.com/images/picNews/brinappearances_001.jpg could save 15.7KiB (46% reduction).
Compressing http://rf.revolvermaps.com/d/m/256/0.jpg could save 14.9KiB (63% reduction).
Compressing http://davidbrin.com/images/prettyPhotoImages/thumb_chasingshadows.jpg could save 14.8KiB (40% reduction).
Compressing http://davidbrin.com/images/picNews/brinbooks_001.jpg could save 13.6KiB (34% reduction).
Compressing https://pbs.twimg.com/media/EGsu9wkUYAAJCXv?format=png&name=small could save 12.2KiB (13% reduction).
Compressing http://davidbrin.com/images/prettyPhotoImages/thumb_existence.jpg could save 11.4KiB (39% reduction).
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Compressing https://pbs.twimg.com/profile_images/3788000004080…ff2531475cd_normal.png could save 3.9KiB (55% reduction).
Compressing http://davidbrin.com/images/picTeam/webaudiobook.jpg could save 1.9KiB (15% reduction).
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priority - 26Leverage 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://cdn-images.mailchimp.com/embedcode/slim-081711.css (expiration not specified)
http://davidbrin.com/css/bootstrap.css (expiration not specified)
http://davidbrin.com/css/camera.css (expiration not specified)
http://davidbrin.com/css/font-awesome.css (expiration not specified)
http://davidbrin.com/css/prettyPhoto.css (expiration not specified)
http://davidbrin.com/css/slicknav.css (expiration not specified)
http://davidbrin.com/css/style.css (expiration not specified)
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http://davidbrin.com/images/bgSci.jpg (expiration not specified)
http://davidbrin.com/images/bgSpeech.jpg (expiration not specified)
http://davidbrin.com/images/bgTop.jpg (expiration not specified)
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http://davidbrin.com/images/picAbout/brinMailChimp.jpg (expiration not specified)
http://davidbrin.com/images/picAbout/brinPinterest.jpg (expiration not specified)
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http://davidbrin.com/images/picNews/brinappearances_001.jpg (expiration not specified)
http://davidbrin.com/images/picNews/brinbooks_001.jpg (expiration not specified)
http://davidbrin.com/images/picTeam/talkuniverse_001.jpg (expiration not specified)
http://davidbrin.com/images/picTeam/usenix_001.jpg (expiration not specified)
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http://davidbrin.com/images/prettyPhotoImages/thumb_polemicaljudo.jpg (expiration not specified)
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http://davidbrin.com/js/bootstrap.min.js (expiration not specified)
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http://davidbrin.com/js/jquery.easing.1.3.js (expiration not specified)
http://davidbrin.com/js/jquery.isotope.js (expiration not specified)
http://davidbrin.com/js/jquery.mobile.customized.min.js (expiration not specified)
http://davidbrin.com/js/jquery.prettyPhoto.js (expiration not specified)
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http://platform.twitter.com/widgets.js (30 minutes)
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https://www.google-analytics.com/analytics.js (2 hours)
http://davidbrin.com/css/bootstrap.css (expiration not specified)
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http://davidbrin.com/css/font-awesome.css (expiration not specified)
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http://davidbrin.com/css/slicknav.css (expiration not specified)
http://davidbrin.com/css/style.css (expiration not specified)
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http://davidbrin.com/images/picAbout/davidbrin.jpg (expiration not specified)
http://davidbrin.com/images/picAbout/goodreads_logo.jpg (expiration not specified)
http://davidbrin.com/images/picNews/brinappearances_001.jpg (expiration not specified)
http://davidbrin.com/images/picNews/brinbooks_001.jpg (expiration not specified)
http://davidbrin.com/images/picTeam/talkuniverse_001.jpg (expiration not specified)
http://davidbrin.com/images/picTeam/usenix_001.jpg (expiration not specified)
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http://davidbrin.com/js/jquery.isotope.js (expiration not specified)
http://davidbrin.com/js/jquery.mobile.customized.min.js (expiration not specified)
http://davidbrin.com/js/jquery.prettyPhoto.js (expiration not specified)
http://davidbrin.com/js/jquery.slicknav.js (expiration not specified)
http://davidbrin.com/js/myscript.js (expiration not specified)
http://davidbrin.com/js/sorting.js (expiration not specified)
https://ws.sharethis.com/button/css/buttons-secure.css (expiration not specified)
https://www.keepandshare.com/pdf/dialog/javascript-047/printNoteDialog.js (expiration not specified)
https://cdn.syndication.twimg.com/timeline/profile…700&with_replies=false (5 minutes)
https://www.google.com/recaptcha/api.js?render=6Le…xSk3zNP53GLq1OntSUjnMP (5 minutes)
https://www.google.com/recaptcha/api.js?render=explicit (5 minutes)
https://www.google.com/recaptcha/api2/webworker.js…bZx3NV5xhaMoMLrZV3TkN4 (5 minutes)
https://syndication.twitter.com/settings (10 minutes)
http://jf.revolvermaps.com/c.php?i=5dj7zvcvv5u (15 minutes)
https://www.google-analytics.com/gtm/js?id=GTM-MDN…=1871790953.1572309771 (15 minutes)
http://platform.twitter.com/widgets.js (30 minutes)
https://t.sharethis.com/1/d/t.dhj?rnd=157230977118…c010&dmn=davidbrin.com (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
priority - 12Minify 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 112.4KiB (29% reduction).
Minifying https://www.keepandshare.com/global/javascript/cac…1572273412-calendar.js could save 98.3KiB (28% reduction) after compression.
Minifying http://davidbrin.com/js/jquery.easing.1.3.js could save 4.4KiB (55% reduction).
Minifying http://davidbrin.com/js/jquery.slicknav.js could save 4KiB (37% reduction).
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Minifying http://davidbrin.com/js/sorting.js could save 988B (25% reduction).
Minifying https://www.keepandshare.com/pdf/dialog/javascript-047/printNoteDialog.js could save 935B (22% reduction) after compression.
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priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 7 blocking script resources and 8 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://davidbrin.com/js/jquery-1.8.3.min.js
http://davidbrin.com/js/jquery.mobile.customized.min.js
http://davidbrin.com/js/jquery.easing.1.3.js
http://davidbrin.com/js/camera.min.js
http://davidbrin.com/js/myscript.js
http://davidbrin.com/js/sorting.js
http://davidbrin.com/js/jquery.isotope.js
http://davidbrin.com/js/jquery.mobile.customized.min.js
http://davidbrin.com/js/jquery.easing.1.3.js
http://davidbrin.com/js/camera.min.js
http://davidbrin.com/js/myscript.js
http://davidbrin.com/js/sorting.js
http://davidbrin.com/js/jquery.isotope.js
Optimize CSS Delivery of the following:
http://davidbrin.com/css/bootstrap.css
http://davidbrin.com/css/font-awesome.css
http://davidbrin.com/css/camera.css
http://davidbrin.com/css/slicknav.css
http://davidbrin.com/css/prettyPhoto.css
http://davidbrin.com/css/style.css
http://fonts.googleapis.com/css?family=Roboto:400,300,700|Open+Sans:700
http://cdn-images.mailchimp.com/embedcode/slim-081711.css
http://davidbrin.com/css/font-awesome.css
http://davidbrin.com/css/camera.css
http://davidbrin.com/css/slicknav.css
http://davidbrin.com/css/prettyPhoto.css
http://davidbrin.com/css/style.css
http://fonts.googleapis.com/css?family=Roboto:400,300,700|Open+Sans:700
http://cdn-images.mailchimp.com/embedcode/slim-081711.css
priority - 3Minify 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 32.9KiB (16% reduction).
Minifying http://davidbrin.com/css/bootstrap.css could save 14.5KiB (13% reduction).
Minifying http://davidbrin.com/css/style.css could save 10.4KiB (27% reduction).
Minifying http://davidbrin.com/css/font-awesome.css could save 4.4KiB (20% reduction).
Minifying http://davidbrin.com/css/camera.css could save 3KiB (12% reduction).
Minifying http://davidbrin.com/css/slicknav.css could save 683B (25% reduction).
Minifying http://davidbrin.com/css/style.css could save 10.4KiB (27% reduction).
Minifying http://davidbrin.com/css/font-awesome.css could save 4.4KiB (20% reduction).
Minifying http://davidbrin.com/css/camera.css could save 3KiB (12% reduction).
Minifying http://davidbrin.com/css/slicknav.css could save 683B (25% reduction).
priority - 2Minify 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 17.6KiB (19% reduction).
Minifying http://davidbrin.com/ could save 10.1KiB (19% reduction).
Minifying https://www.keepandshare.com/calendar/embed_calend…=y&ac=y&sparse=y&lang= could save 7.1KiB (18% reduction) after compression.
Minifying https://ws.sharethis.com/secure/index.html could save 322B (16% reduction) after compression.
Minifying https://www.keepandshare.com/calendar/embed_calend…=y&ac=y&sparse=y&lang= could save 7.1KiB (18% reduction) after compression.
Minifying https://ws.sharethis.com/secure/index.html could save 322B (16% reduction) after compression.
davidbrin.com Desktop Resource Breakdown
| Total Resources | 131 |
| Number of Hosts | 23 |
| Static Resources | 95 |
| JavaScript Resources | 31 |
| CSS Resources | 13 |
davidbrin.com mobile page speed rank
Last tested: 2019-08-27
Mobile Speed
Bad
42/100
davidbrin.com Mobile Speed Test Quick Summary
priority - 41Enable 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 396.7KiB (75% reduction).
Compressing http://davidbrin.com/css/bootstrap.css could save 100.4KiB (84% reduction).
Compressing http://davidbrin.com/js/jquery-1.8.3.min.js could save 58.8KiB (64% reduction).
Compressing http://davidbrin.com/ could save 36.3KiB (71% reduction).
Compressing http://davidbrin.com/css/style.css could save 32.3KiB (83% reduction).
Compressing http://davidbrin.com/js/camera.min.js could save 30.1KiB (78% reduction).
Compressing http://davidbrin.com/css/camera.css could save 22.8KiB (87% reduction).
Compressing http://davidbrin.com/js/bootstrap.min.js could save 20.9KiB (73% reduction).
Compressing http://davidbrin.com/css/font-awesome.css could save 18.2KiB (81% reduction).
Compressing http://davidbrin.com/css/prettyPhoto.css could save 16.7KiB (86% reduction).
Compressing http://davidbrin.com/js/jquery.prettyPhoto.js could save 15.7KiB (72% reduction).
Compressing http://davidbrin.com/js/jquery.mobile.customized.min.js could save 10.8KiB (62% reduction).
Compressing http://davidbrin.com/js/jquery.isotope.js could save 10.6KiB (68% reduction).
Compressing http://davidbrin.com/js/jquery.slicknav.js could save 7.6KiB (69% reduction).
Compressing http://davidbrin.com/js/jquery.easing.1.3.js could save 6KiB (75% reduction).
Compressing http://davidbrin.com/js/myscript.js could save 5KiB (57% reduction).
Compressing http://davidbrin.com/js/sorting.js could save 2.5KiB (63% reduction).
Compressing http://davidbrin.com/css/slicknav.css could save 1.9KiB (67% reduction).
Compressing https://pd.sharethis.com/pd/test_oracle could save 126B (30% reduction).
Compressing http://davidbrin.com/js/jquery-1.8.3.min.js could save 58.8KiB (64% reduction).
Compressing http://davidbrin.com/ could save 36.3KiB (71% reduction).
Compressing http://davidbrin.com/css/style.css could save 32.3KiB (83% reduction).
Compressing http://davidbrin.com/js/camera.min.js could save 30.1KiB (78% reduction).
Compressing http://davidbrin.com/css/camera.css could save 22.8KiB (87% reduction).
Compressing http://davidbrin.com/js/bootstrap.min.js could save 20.9KiB (73% reduction).
Compressing http://davidbrin.com/css/font-awesome.css could save 18.2KiB (81% reduction).
Compressing http://davidbrin.com/css/prettyPhoto.css could save 16.7KiB (86% reduction).
Compressing http://davidbrin.com/js/jquery.prettyPhoto.js could save 15.7KiB (72% reduction).
Compressing http://davidbrin.com/js/jquery.mobile.customized.min.js could save 10.8KiB (62% reduction).
Compressing http://davidbrin.com/js/jquery.isotope.js could save 10.6KiB (68% reduction).
Compressing http://davidbrin.com/js/jquery.slicknav.js could save 7.6KiB (69% reduction).
Compressing http://davidbrin.com/js/jquery.easing.1.3.js could save 6KiB (75% reduction).
Compressing http://davidbrin.com/js/myscript.js could save 5KiB (57% reduction).
Compressing http://davidbrin.com/js/sorting.js could save 2.5KiB (63% reduction).
Compressing http://davidbrin.com/css/slicknav.css could save 1.9KiB (67% reduction).
Compressing https://pd.sharethis.com/pd/test_oracle could save 126B (30% reduction).
priority - 37Leverage 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://cdn-images.mailchimp.com/embedcode/slim-081711.css (expiration not specified)
http://davidbrin.com/css/bootstrap.css (expiration not specified)
http://davidbrin.com/css/camera.css (expiration not specified)
http://davidbrin.com/css/font-awesome.css (expiration not specified)
http://davidbrin.com/css/prettyPhoto.css (expiration not specified)
http://davidbrin.com/css/slicknav.css (expiration not specified)
http://davidbrin.com/css/style.css (expiration not specified)
http://davidbrin.com/images/bgBeforFooter.png (expiration not specified)
http://davidbrin.com/images/bgSci.jpg (expiration not specified)
http://davidbrin.com/images/bgSpeech.jpg (expiration not specified)
http://davidbrin.com/images/bgTop.jpg (expiration not specified)
http://davidbrin.com/images/camera-loader.gif (expiration not specified)
http://davidbrin.com/images/horL.png (expiration not specified)
http://davidbrin.com/images/line7Bg.jpg (expiration not specified)
http://davidbrin.com/images/logo.png (expiration not specified)
http://davidbrin.com/images/picAbout/amazon_logo.jpg (expiration not specified)
http://davidbrin.com/images/picAbout/brinMailChimp.jpg (expiration not specified)
http://davidbrin.com/images/picAbout/brinPinterest.jpg (expiration not specified)
http://davidbrin.com/images/picAbout/davidbrin.jpg (expiration not specified)
http://davidbrin.com/images/picAbout/goodreads_logo.jpg (expiration not specified)
http://davidbrin.com/images/picNews/brinappearances_001.jpg (expiration not specified)
http://davidbrin.com/images/picNews/brinbooks_001.jpg (expiration not specified)
http://davidbrin.com/images/picTeam/talkuniverse_001.jpg (expiration not specified)
http://davidbrin.com/images/picTeam/usenix_001.jpg (expiration not specified)
http://davidbrin.com/images/picTeam/webaudiobook.jpg (expiration not specified)
http://davidbrin.com/images/prettyPhotoImages/thumb_chasingshadows.jpg (expiration not specified)
http://davidbrin.com/images/prettyPhotoImages/thumb_existence.jpg (expiration not specified)
http://davidbrin.com/images/prettyPhotoImages/thumb_insistenceofvision.jpg (expiration not specified)
http://davidbrin.com/images/socIcons.png (expiration not specified)
http://davidbrin.com/js/bootstrap.min.js (expiration not specified)
http://davidbrin.com/js/camera.min.js (expiration not specified)
http://davidbrin.com/js/jquery-1.8.3.min.js (expiration not specified)
http://davidbrin.com/js/jquery.easing.1.3.js (expiration not specified)
http://davidbrin.com/js/jquery.isotope.js (expiration not specified)
http://davidbrin.com/js/jquery.mobile.customized.min.js (expiration not specified)
http://davidbrin.com/js/jquery.prettyPhoto.js (expiration not specified)
http://davidbrin.com/js/jquery.slicknav.js (expiration not specified)
http://davidbrin.com/js/myscript.js (expiration not specified)
http://davidbrin.com/js/sorting.js (expiration not specified)
https://pd.sharethis.com/pd/test_oracle (expiration not specified)
https://ws.sharethis.com/button/css/buttons-secure.css (expiration not specified)
https://www.keepandshare.com/pdf/dialog/javascript-047/printNoteDialog.js (expiration not specified)
https://cdn.syndication.twimg.com/timeline/profile…700&with_replies=false (5 minutes)
https://syndication.twitter.com/settings (10 minutes)
http://jf.revolvermaps.com/c.php?i=5dj7zvcvv5u (15 minutes)
https://www.google-analytics.com/gtm/js?id=GTM-MDN…=1642546650.1566937247 (15 minutes)
http://platform.twitter.com/widgets.js (30 minutes)
https://t.sharethis.com/1/d/t.dhj?rnd=156693724723…c010&dmn=davidbrin.com (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://ws.sharethis.com/button/async-buttons.js (7.8 hours)
http://davidbrin.com/css/bootstrap.css (expiration not specified)
http://davidbrin.com/css/camera.css (expiration not specified)
http://davidbrin.com/css/font-awesome.css (expiration not specified)
http://davidbrin.com/css/prettyPhoto.css (expiration not specified)
http://davidbrin.com/css/slicknav.css (expiration not specified)
http://davidbrin.com/css/style.css (expiration not specified)
http://davidbrin.com/images/bgBeforFooter.png (expiration not specified)
http://davidbrin.com/images/bgSci.jpg (expiration not specified)
http://davidbrin.com/images/bgSpeech.jpg (expiration not specified)
http://davidbrin.com/images/bgTop.jpg (expiration not specified)
http://davidbrin.com/images/camera-loader.gif (expiration not specified)
http://davidbrin.com/images/horL.png (expiration not specified)
http://davidbrin.com/images/line7Bg.jpg (expiration not specified)
http://davidbrin.com/images/logo.png (expiration not specified)
http://davidbrin.com/images/picAbout/amazon_logo.jpg (expiration not specified)
http://davidbrin.com/images/picAbout/brinMailChimp.jpg (expiration not specified)
http://davidbrin.com/images/picAbout/brinPinterest.jpg (expiration not specified)
http://davidbrin.com/images/picAbout/davidbrin.jpg (expiration not specified)
http://davidbrin.com/images/picAbout/goodreads_logo.jpg (expiration not specified)
http://davidbrin.com/images/picNews/brinappearances_001.jpg (expiration not specified)
http://davidbrin.com/images/picNews/brinbooks_001.jpg (expiration not specified)
http://davidbrin.com/images/picTeam/talkuniverse_001.jpg (expiration not specified)
http://davidbrin.com/images/picTeam/usenix_001.jpg (expiration not specified)
http://davidbrin.com/images/picTeam/webaudiobook.jpg (expiration not specified)
http://davidbrin.com/images/prettyPhotoImages/thumb_chasingshadows.jpg (expiration not specified)
http://davidbrin.com/images/prettyPhotoImages/thumb_existence.jpg (expiration not specified)
http://davidbrin.com/images/prettyPhotoImages/thumb_insistenceofvision.jpg (expiration not specified)
http://davidbrin.com/images/socIcons.png (expiration not specified)
http://davidbrin.com/js/bootstrap.min.js (expiration not specified)
http://davidbrin.com/js/camera.min.js (expiration not specified)
http://davidbrin.com/js/jquery-1.8.3.min.js (expiration not specified)
http://davidbrin.com/js/jquery.easing.1.3.js (expiration not specified)
http://davidbrin.com/js/jquery.isotope.js (expiration not specified)
http://davidbrin.com/js/jquery.mobile.customized.min.js (expiration not specified)
http://davidbrin.com/js/jquery.prettyPhoto.js (expiration not specified)
http://davidbrin.com/js/jquery.slicknav.js (expiration not specified)
http://davidbrin.com/js/myscript.js (expiration not specified)
http://davidbrin.com/js/sorting.js (expiration not specified)
https://pd.sharethis.com/pd/test_oracle (expiration not specified)
https://ws.sharethis.com/button/css/buttons-secure.css (expiration not specified)
https://www.keepandshare.com/pdf/dialog/javascript-047/printNoteDialog.js (expiration not specified)
https://cdn.syndication.twimg.com/timeline/profile…700&with_replies=false (5 minutes)
https://syndication.twitter.com/settings (10 minutes)
http://jf.revolvermaps.com/c.php?i=5dj7zvcvv5u (15 minutes)
https://www.google-analytics.com/gtm/js?id=GTM-MDN…=1642546650.1566937247 (15 minutes)
http://platform.twitter.com/widgets.js (30 minutes)
https://t.sharethis.com/1/d/t.dhj?rnd=156693724723…c010&dmn=davidbrin.com (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://ws.sharethis.com/button/async-buttons.js (7.8 hours)
priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 7 blocking script resources and 8 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://davidbrin.com/js/jquery-1.8.3.min.js
http://davidbrin.com/js/jquery.mobile.customized.min.js
http://davidbrin.com/js/jquery.easing.1.3.js
http://davidbrin.com/js/camera.min.js
http://davidbrin.com/js/myscript.js
http://davidbrin.com/js/sorting.js
http://davidbrin.com/js/jquery.isotope.js
http://davidbrin.com/js/jquery.mobile.customized.min.js
http://davidbrin.com/js/jquery.easing.1.3.js
http://davidbrin.com/js/camera.min.js
http://davidbrin.com/js/myscript.js
http://davidbrin.com/js/sorting.js
http://davidbrin.com/js/jquery.isotope.js
Optimize CSS Delivery of the following:
http://davidbrin.com/css/bootstrap.css
http://davidbrin.com/css/font-awesome.css
http://davidbrin.com/css/camera.css
http://davidbrin.com/css/slicknav.css
http://davidbrin.com/css/prettyPhoto.css
http://davidbrin.com/css/style.css
http://fonts.googleapis.com/css?family=Roboto:400,300,700|Open+Sans:700
http://cdn-images.mailchimp.com/embedcode/slim-081711.css
http://davidbrin.com/css/font-awesome.css
http://davidbrin.com/css/camera.css
http://davidbrin.com/css/slicknav.css
http://davidbrin.com/css/prettyPhoto.css
http://davidbrin.com/css/style.css
http://fonts.googleapis.com/css?family=Roboto:400,300,700|Open+Sans:700
http://cdn-images.mailchimp.com/embedcode/slim-081711.css
priority - 28Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 273.1KiB (25% reduction).
Compressing http://davidbrin.com/images/line7Bg.jpg could save 103.9KiB (19% reduction).
Compressing http://davidbrin.com/images/bgTop.jpg could save 21.8KiB (20% reduction).
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Compressing http://davidbrin.com/images/prettyPhotoImages/thumb_chasingshadows.jpg could save 14.8KiB (40% reduction).
Compressing http://davidbrin.com/images/picNews/brinbooks_001.jpg could save 13.6KiB (34% reduction).
Compressing http://davidbrin.com/images/prettyPhotoImages/thumb_existence.jpg could save 11.4KiB (39% reduction).
Compressing http://davidbrin.com/images/bgSci.jpg could save 10.9KiB (28% reduction).
Compressing http://davidbrin.com/images/picAbout/brinMailChimp.jpg could save 7.1KiB (18% reduction).
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Compressing http://davidbrin.com/images/bgSpeech.jpg could save 6.7KiB (19% reduction).
Compressing http://davidbrin.com/images/prettyPhotoImages/thumb_insistenceofvision.jpg could save 6.4KiB (34% reduction).
Compressing http://davidbrin.com/images/picAbout/davidbrin.jpg could save 6.1KiB (32% reduction).
Compressing http://davidbrin.com/images/picTeam/talkuniverse_001.jpg could save 4.4KiB (20% reduction).
Compressing http://davidbrin.com/images/picTeam/webaudiobook.jpg could save 1.9KiB (15% reduction).
Compressing https://pbs.twimg.com/profile_images/1110750091437…60/8GCdSdWB_bigger.png could save 1.7KiB (20% reduction).
Compressing http://davidbrin.com/images/picAbout/goodreads_logo.jpg could save 1.7KiB (21% reduction).
Compressing http://davidbrin.com/images/picAbout/amazon_logo.jpg could save 1.5KiB (21% reduction).
Compressing http://davidbrin.com/images/slides/blank.gif?1566937247159 could save 1KiB (93% reduction).
Compressing http://davidbrin.com/images/slides/blank.gif?1566937247172 could save 1KiB (93% reduction).
Compressing https://pbs.twimg.com/profile_images/4474509095643…4/w27AuOM2_bigger.jpeg could save 687B (25% reduction).
Compressing http://davidbrin.com/images/bgTop.jpg could save 21.8KiB (20% reduction).
Compressing http://davidbrin.com/images/picAbout/brinPinterest.jpg could save 19.1KiB (47% reduction).
Compressing http://davidbrin.com/images/picNews/brinappearances_001.jpg could save 15.7KiB (46% reduction).
Compressing http://rf.revolvermaps.com/d/m/256/0.jpg could save 14.9KiB (63% reduction).
Compressing http://davidbrin.com/images/prettyPhotoImages/thumb_chasingshadows.jpg could save 14.8KiB (40% reduction).
Compressing http://davidbrin.com/images/picNews/brinbooks_001.jpg could save 13.6KiB (34% reduction).
Compressing http://davidbrin.com/images/prettyPhotoImages/thumb_existence.jpg could save 11.4KiB (39% reduction).
Compressing http://davidbrin.com/images/bgSci.jpg could save 10.9KiB (28% reduction).
Compressing http://davidbrin.com/images/picAbout/brinMailChimp.jpg could save 7.1KiB (18% reduction).
Compressing http://davidbrin.com/images/picTeam/usenix_001.jpg could save 7KiB (33% reduction).
Compressing http://davidbrin.com/images/bgSpeech.jpg could save 6.7KiB (19% reduction).
Compressing http://davidbrin.com/images/prettyPhotoImages/thumb_insistenceofvision.jpg could save 6.4KiB (34% reduction).
Compressing http://davidbrin.com/images/picAbout/davidbrin.jpg could save 6.1KiB (32% reduction).
Compressing http://davidbrin.com/images/picTeam/talkuniverse_001.jpg could save 4.4KiB (20% reduction).
Compressing http://davidbrin.com/images/picTeam/webaudiobook.jpg could save 1.9KiB (15% reduction).
Compressing https://pbs.twimg.com/profile_images/1110750091437…60/8GCdSdWB_bigger.png could save 1.7KiB (20% reduction).
Compressing http://davidbrin.com/images/picAbout/goodreads_logo.jpg could save 1.7KiB (21% reduction).
Compressing http://davidbrin.com/images/picAbout/amazon_logo.jpg could save 1.5KiB (21% reduction).
Compressing http://davidbrin.com/images/slides/blank.gif?1566937247159 could save 1KiB (93% reduction).
Compressing http://davidbrin.com/images/slides/blank.gif?1566937247172 could save 1KiB (93% reduction).
Compressing https://pbs.twimg.com/profile_images/4474509095643…4/w27AuOM2_bigger.jpeg could save 687B (25% reduction).
priority - 12Minify 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 118KiB (29% reduction).
Minifying https://www.keepandshare.com/global/javascript/cac…1566935780-calendar.js could save 103.8KiB (29% reduction) after compression.
Minifying http://davidbrin.com/js/jquery.easing.1.3.js could save 4.4KiB (55% reduction).
Minifying http://davidbrin.com/js/jquery.slicknav.js could save 4KiB (37% reduction).
Minifying https://www.keepandshare.com/global/javascript/episodes.js could save 2.8KiB (47% reduction) after compression.
Minifying http://davidbrin.com/js/myscript.js could save 1KiB (12% reduction).
Minifying http://davidbrin.com/js/sorting.js could save 988B (25% reduction).
Minifying https://www.keepandshare.com/pdf/dialog/javascript-047/printNoteDialog.js could save 935B (22% reduction) after compression.
Minifying https://pd.sharethis.com/pd/test_oracle could save 110B (26% reduction).
Minifying http://davidbrin.com/js/jquery.easing.1.3.js could save 4.4KiB (55% reduction).
Minifying http://davidbrin.com/js/jquery.slicknav.js could save 4KiB (37% reduction).
Minifying https://www.keepandshare.com/global/javascript/episodes.js could save 2.8KiB (47% reduction) after compression.
Minifying http://davidbrin.com/js/myscript.js could save 1KiB (12% reduction).
Minifying http://davidbrin.com/js/sorting.js could save 988B (25% reduction).
Minifying https://www.keepandshare.com/pdf/dialog/javascript-047/printNoteDialog.js could save 935B (22% reduction) after compression.
Minifying https://pd.sharethis.com/pd/test_oracle could save 110B (26% reduction).
priority - 3Minify 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 32.9KiB (16% reduction).
Minifying http://davidbrin.com/css/bootstrap.css could save 14.5KiB (13% reduction).
Minifying http://davidbrin.com/css/style.css could save 10.4KiB (27% reduction).
Minifying http://davidbrin.com/css/font-awesome.css could save 4.4KiB (20% reduction).
Minifying http://davidbrin.com/css/camera.css could save 3KiB (12% reduction).
Minifying http://davidbrin.com/css/slicknav.css could save 683B (25% reduction).
Minifying http://davidbrin.com/css/style.css could save 10.4KiB (27% reduction).
Minifying http://davidbrin.com/css/font-awesome.css could save 4.4KiB (20% reduction).
Minifying http://davidbrin.com/css/camera.css could save 3KiB (12% reduction).
Minifying http://davidbrin.com/css/slicknav.css could save 683B (25% reduction).
priority - 2Minify 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 16.9KiB (19% reduction).
Minifying http://davidbrin.com/ could save 9.8KiB (20% reduction).
Minifying https://www.keepandshare.com/calendar/embed_calend…=y&ac=y&sparse=y&lang= could save 6.7KiB (18% reduction) after compression.
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davidbrin.com Mobile Resource Breakdown
| Total Resources | 137 |
| Number of Hosts | 35 |
| Static Resources | 87 |
| JavaScript Resources | 29 |
| CSS Resources | 12 |
davidbrin.com mobile page usability
Last tested: 2019-08-27
Mobile Usability
Good
97/100
davidbrin.com Mobile Usability Test Quick Summary
priority - 2Size 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
<li class="pag_nav_0 cameracurrent">0</li> and 4 others are close to other tap targets.The tap target
<a href="postman.html">The Postman</a> and 7 others are close to other tap targets.The tap target
<a href="postman.html">The Postman</a> and 1 others are close to other tap targets.The tap target
<a href="http://www.get…low-on-twitter">Ten people the…low on Twitter</a> and 1 others are close to other tap targets.The tap target
<a href="books.html">books</a> is close to 1 other tap targets.The tap target
<a href="https://theurb…best-futurists">World's Best Futurists</a> is close to 1 other tap targets.The tap target
<a href="about.html">about DAVID BRIN</a> and 28 others are close to other tap targets.The tap target
<a href="https://twitter.com/ApacheCon" class="PrettyLink pro…misable h-card">@ApacheCon</a> and 5 others are close to other tap targets.The tap target
<a href="https://t.co/F8fVCfXCF5" class="link customisable">https://www.ap…on.com/acna19/</a> is close to 1 other tap targets.davidbrin.com HTML validation
Errors
The “charset” attribute on the “link” element is obsolete. Use an HTTP Content-Type header on the linked resource instead.
Line: 17 Column: 3 - 137
"...v.css"> <link rel="stylesheet" href="css/prettyPhoto.css" type="text/css" media="screen" title="prettyPhoto main stylesheet" charset="utf-8" /> <li..."
"...v.css"> <link rel="stylesheet" href="css/prettyPhoto.css" type="text/css" media="screen" title="prettyPhoto main stylesheet" charset="utf-8" /> <li..."
Bad value “http://fonts.googleapis.com/css?family=Roboto:400,300,700|Open+Sans:700” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
Line: 22 Column: 3 - 120
"...cript> <link href='http://fonts.googleapis.com/css?family=Roboto:400,300,700|Open+Sans:700' rel='stylesheet' type='text/css'> <sc..."
"...cript> <link href='http://fonts.googleapis.com/css?family=Roboto:400,300,700|Open+Sans:700' rel='stylesheet' type='text/css'> <sc..."
Bad value “image” for attribute “type” on element “link”: Subtype missing.
Line: 52 Column: 9 - 58
"...> <link rel="icon" type="image" href="favicon.gif" > ..."
"...> <link rel="icon" type="image" href="favicon.gif" > ..."
No space between attributes.
Line: 75 Column: - 26
"...class="navmenu"style="text-ali..."
"...class="navmenu"style="text-ali..."
The “align” attribute on the “h1” element is obsolete. Use CSS instead.
Line: 134 Column: 6 - 24
"...ss"> <h1 align="center">scient..."
"...ss"> <h1 align="center">scient..."
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Line: 135 Column: 21 - 137
"... <img class="img-responsive picsGall" src="images/picAbout/davidbrin.jpg" align="left" hspace="10" alt="David Brin" /> ..."
"... <img class="img-responsive picsGall" src="images/picAbout/davidbrin.jpg" align="left" hspace="10" alt="David Brin" /> ..."
The “hspace” attribute on the “img” element is obsolete. Use CSS instead.
Line: 135 Column: 21 - 137
"... <img class="img-responsive picsGall" src="images/picAbout/davidbrin.jpg" align="left" hspace="10" alt="David Brin" /> ..."
"... <img class="img-responsive picsGall" src="images/picAbout/davidbrin.jpg" align="left" hspace="10" alt="David Brin" /> ..."
Attribute “name” not allowed on element “span” at this point.
Line: 151 Column: 6 - 25
"...wa"> <span name="about" ></span..." Line: 286 Column: 6 - 25
"...wa"> <span name="about" ></span..."
"...wa"> <span name="about" ></span..." Line: 286 Column: 6 - 25
"...wa"> <span name="about" ></span..."
Bad value “mailto:davidbrin@sbcglobal.net?subject=response from the David Brin web site” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Line: 222 Column: 315 - 417
"...ope"></i> <a href="mailto:davidbrin@sbcglobal.net?subject=response from the David Brin web site" target="_blank">email ..." Line: 267 Column: 27 - 129
"... <br /><a href="mailto:davidbrin@sbcglobal.net?subject=response from the David Brin web site" target="_blank">email ..." Line: 443 Column: 59 - 161
".../b> Email <a href="mailto:davidbrin@sbcglobal.net?subject=response from the David Brin web site" target="_blank">DAVID ..." Line: 606 Column: 46 - 148
"...dowbload"><a href="mailto:davidbrin@sbcglobal.net?subject=response from the David Brin web site" target="_blank"><i cla..."
"...ope"></i> <a href="mailto:davidbrin@sbcglobal.net?subject=response from the David Brin web site" target="_blank">email ..." Line: 267 Column: 27 - 129
"... <br /><a href="mailto:davidbrin@sbcglobal.net?subject=response from the David Brin web site" target="_blank">email ..." Line: 443 Column: 59 - 161
".../b> Email <a href="mailto:davidbrin@sbcglobal.net?subject=response from the David Brin web site" target="_blank">DAVID ..." Line: 606 Column: 46 - 148
"...dowbload"><a href="mailto:davidbrin@sbcglobal.net?subject=response from the David Brin web site" target="_blank"><i cla..."
Bad value “300px” for attribute “width” on element “iframe”: Expected a digit but saw “p” instead.
Line: 233 Column: - 322
"......"
"......"
Bad value “450px” for attribute “height” on element “iframe”: Expected a digit but saw “p” instead.
Line: 233 Column: - 322
"......"
"......"
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Line: 233 Column: - 322
"......" Line: 511 Column: 21 - 270
"... <iframe src="http://cdn.bannersnack.com/iframe/embed.html?hash=bum8vf53&bgcolor=%233D3D3D&wmode=opaque&userId=4484523&t=1473813972&env=live" width="270" height="270" scrolling="no" frameborder="0" allowtransparency="true" allowfullscreen="true"></iframe> ..." Line: 516 Column: 21 - 271
"... <iframe src="http://cdn.bannersnack.com/iframe/embed.html?hash=bx9y7q2ep&bgcolor=%233D3D3D&wmode=opaque&userId=4484523&t=1473813541&env=live" width="270" height="270" scrolling="no" frameborder="0" allowtransparency="true" allowfullscreen="true"></iframe> ..."
"......" Line: 511 Column: 21 - 270
"... <iframe src="http://cdn.bannersnack.com/iframe/embed.html?hash=bum8vf53&bgcolor=%233D3D3D&wmode=opaque&userId=4484523&t=1473813972&env=live" width="270" height="270" scrolling="no" frameborder="0" allowtransparency="true" allowfullscreen="true"></iframe> ..." Line: 516 Column: 21 - 271
"... <iframe src="http://cdn.bannersnack.com/iframe/embed.html?hash=bx9y7q2ep&bgcolor=%233D3D3D&wmode=opaque&userId=4484523&t=1473813541&env=live" width="270" height="270" scrolling="no" frameborder="0" allowtransparency="true" allowfullscreen="true"></iframe> ..."
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Line: 233 Column: - 322
"......" Line: 511 Column: 21 - 270
"... <iframe src="http://cdn.bannersnack.com/iframe/embed.html?hash=bum8vf53&bgcolor=%233D3D3D&wmode=opaque&userId=4484523&t=1473813972&env=live" width="270" height="270" scrolling="no" frameborder="0" allowtransparency="true" allowfullscreen="true"></iframe> ..." Line: 516 Column: 21 - 271
"... <iframe src="http://cdn.bannersnack.com/iframe/embed.html?hash=bx9y7q2ep&bgcolor=%233D3D3D&wmode=opaque&userId=4484523&t=1473813541&env=live" width="270" height="270" scrolling="no" frameborder="0" allowtransparency="true" allowfullscreen="true"></iframe> ..."
"......" Line: 511 Column: 21 - 270
"... <iframe src="http://cdn.bannersnack.com/iframe/embed.html?hash=bum8vf53&bgcolor=%233D3D3D&wmode=opaque&userId=4484523&t=1473813972&env=live" width="270" height="270" scrolling="no" frameborder="0" allowtransparency="true" allowfullscreen="true"></iframe> ..." Line: 516 Column: 21 - 271
"... <iframe src="http://cdn.bannersnack.com/iframe/embed.html?hash=bx9y7q2ep&bgcolor=%233D3D3D&wmode=opaque&userId=4484523&t=1473813541&env=live" width="270" height="270" scrolling="no" frameborder="0" allowtransparency="true" allowfullscreen="true"></iframe> ..."
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Line: 233 Column: - 322
"......" Line: 511 Column: 21 - 270
"... <iframe src="http://cdn.bannersnack.com/iframe/embed.html?hash=bum8vf53&bgcolor=%233D3D3D&wmode=opaque&userId=4484523&t=1473813972&env=live" width="270" height="270" scrolling="no" frameborder="0" allowtransparency="true" allowfullscreen="true"></iframe> ..." Line: 516 Column: 21 - 271
"... <iframe src="http://cdn.bannersnack.com/iframe/embed.html?hash=bx9y7q2ep&bgcolor=%233D3D3D&wmode=opaque&userId=4484523&t=1473813541&env=live" width="270" height="270" scrolling="no" frameborder="0" allowtransparency="true" allowfullscreen="true"></iframe> ..."
"......" Line: 511 Column: 21 - 270
"... <iframe src="http://cdn.bannersnack.com/iframe/embed.html?hash=bum8vf53&bgcolor=%233D3D3D&wmode=opaque&userId=4484523&t=1473813972&env=live" width="270" height="270" scrolling="no" frameborder="0" allowtransparency="true" allowfullscreen="true"></iframe> ..." Line: 516 Column: 21 - 271
"... <iframe src="http://cdn.bannersnack.com/iframe/embed.html?hash=bx9y7q2ep&bgcolor=%233D3D3D&wmode=opaque&userId=4484523&t=1473813541&env=live" width="270" height="270" scrolling="no" frameborder="0" allowtransparency="true" allowfullscreen="true"></iframe> ..."
Element “li” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Line: 386 Column: 21 - 24
"... <li>latest..." Line: 387 Column: 21 - 24
"... <li>inform..." Line: 388 Column: 21 - 24
"... <li><a hre..." Line: 389 Column: 21 - 24
"... <li>speaki..." Line: 390 Column: 21 - 24
"... <li>lists ..." Line: 391 Column: 21 - 24
"... <li><a hre..." Line: 392 Column: 21 - 24
"... <li>Brin's..." Line: 393 Column: 21 - 24
"... <li><a hre..." Line: 394 Column: 21 - 24
"... <li>Brin <..." Line: 398 Column: 6 - 9
".../h4> <li>Brin's..." Line: 399 Column: 21 - 24
"... <li>Brin's..." Line: 400 Column: 21 - 24
"... <li>all ab..." Line: 401 Column: 21 - 24
"... <li>a sele..." Line: 402 Column: 21 - 24
"... <li>Brin's..." Line: 403 Column: 21 - 24
"... <li>Brin's..." Line: 404 Column: 21 - 24
"... <li>Brin <..." Line: 405 Column: 21 - 24
"... <li>a comp..." Line: 406 Column: 21 - 24
"... <li>recomm..." Line: 407 Column: 21 - 24
"... <li>scienc..." Line: 411 Column: 21 - 24
"... <li><a hre..." Line: 412 Column: 6 - 9
".../li> <li>privac..." Line: 413 Column: 21 - 24
"... <li>design..." Line: 414 Column: 21 - 24
"... <li>predic..." Line: 415 Column: 21 - 24
"... <li>leadin..." Line: 416 Column: 21 - 24
"... <li>keepin..." Line: 417 Column: 21 - 24
"... <li>scanni..."
"... <li>latest..." Line: 387 Column: 21 - 24
"... <li>inform..." Line: 388 Column: 21 - 24
"... <li><a hre..." Line: 389 Column: 21 - 24
"... <li>speaki..." Line: 390 Column: 21 - 24
"... <li>lists ..." Line: 391 Column: 21 - 24
"... <li><a hre..." Line: 392 Column: 21 - 24
"... <li>Brin's..." Line: 393 Column: 21 - 24
"... <li><a hre..." Line: 394 Column: 21 - 24
"... <li>Brin <..." Line: 398 Column: 6 - 9
".../h4> <li>Brin's..." Line: 399 Column: 21 - 24
"... <li>Brin's..." Line: 400 Column: 21 - 24
"... <li>all ab..." Line: 401 Column: 21 - 24
"... <li>a sele..." Line: 402 Column: 21 - 24
"... <li>Brin's..." Line: 403 Column: 21 - 24
"... <li>Brin's..." Line: 404 Column: 21 - 24
"... <li>Brin <..." Line: 405 Column: 21 - 24
"... <li>a comp..." Line: 406 Column: 21 - 24
"... <li>recomm..." Line: 407 Column: 21 - 24
"... <li>scienc..." Line: 411 Column: 21 - 24
"... <li><a hre..." Line: 412 Column: 6 - 9
".../li> <li>privac..." Line: 413 Column: 21 - 24
"... <li>design..." Line: 414 Column: 21 - 24
"... <li>predic..." Line: 415 Column: 21 - 24
"... <li>leadin..." Line: 416 Column: 21 - 24
"... <li>keepin..." Line: 417 Column: 21 - 24
"... <li>scanni..."
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Line: 457 Column: 431 - 528
"...vid Brin"><img src="http://badge.facebook.com/badge/22358129265.3673.1675252951.png" style="border: 0px;" /></a><b..."
"...vid Brin"><img src="http://badge.facebook.com/badge/22358129265.3673.1675252951.png" style="border: 0px;" /></a><b..."
The “align” attribute on the “p” element is obsolete. Use CSS instead.
Line: 507 Column: 6 - 23
"...ct"> <p align="center"><a cla..."
"...ct"> <p align="center"><a cla..."
Bad value “true” for attribute “allowfullscreen” on element “iframe”.
Line: 511 Column: 21 - 270
"... <iframe src="http://cdn.bannersnack.com/iframe/embed.html?hash=bum8vf53&bgcolor=%233D3D3D&wmode=opaque&userId=4484523&t=1473813972&env=live" width="270" height="270" scrolling="no" frameborder="0" allowtransparency="true" allowfullscreen="true"></iframe> ..." Line: 516 Column: 21 - 271
"... <iframe src="http://cdn.bannersnack.com/iframe/embed.html?hash=bx9y7q2ep&bgcolor=%233D3D3D&wmode=opaque&userId=4484523&t=1473813541&env=live" width="270" height="270" scrolling="no" frameborder="0" allowtransparency="true" allowfullscreen="true"></iframe> ..."
"... <iframe src="http://cdn.bannersnack.com/iframe/embed.html?hash=bum8vf53&bgcolor=%233D3D3D&wmode=opaque&userId=4484523&t=1473813972&env=live" width="270" height="270" scrolling="no" frameborder="0" allowtransparency="true" allowfullscreen="true"></iframe> ..." Line: 516 Column: 21 - 271
"... <iframe src="http://cdn.bannersnack.com/iframe/embed.html?hash=bx9y7q2ep&bgcolor=%233D3D3D&wmode=opaque&userId=4484523&t=1473813541&env=live" width="270" height="270" scrolling="no" frameborder="0" allowtransparency="true" allowfullscreen="true"></iframe> ..."
The “applet” element is obsolete. Use the “object” element instead.
Line: 628 Column: 208 - 311
"...<noscript><applet codebase="http://rf.revolvermaps.com/j" code="core.RE" width="250" height="250" archive="g.jar"><param..."
"...<noscript><applet codebase="http://rf.revolvermaps.com/j" code="core.RE" width="250" height="250" archive="g.jar"><param..."
Bad value “mailto:persephone.price@gmail.com?subject=removal of copyrighted image from David Brin's site” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Line: 651 Column: 315 - 434
"...t will be <a href="mailto:persephone.price@gmail.com?subject=removal of copyrighted image from David Brin's site" target="_blank">remove..."
"...t will be <a href="mailto:persephone.price@gmail.com?subject=removal of copyrighted image from David Brin's site" target="_blank">remove..."
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
Line: 791 Column: 2 - 48
"...script> <script type="text/javascript" charset="utf-8"> jQ..."
"...script> <script type="text/javascript" charset="utf-8"> jQ..."
Warnings
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Line: 176 Column: 25 - 43
"... <a name="calendar"></a> ..." Line: 268 Column: 21 - 37
"... <a name="newest"></a> ..."
"... <a name="calendar"></a> ..." Line: 268 Column: 21 - 37
"... <a name="newest"></a> ..."
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Line: 305 Column: 574 - 750
"...</a><img src="//ir-na.amazon-adsystem.com/e/ir?t=f0cd4-20&l=am2&o=1&a=B01LOX327O" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" /> and <a href="h..."
"...</a><img src="//ir-na.amazon-adsystem.com/e/ir?t=f0cd4-20&l=am2&o=1&a=B01LOX327O" width="1" height="1" border="0" alt="" style="border:none !important; margin:0px !important;" /> and <a href="h..."
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davidbrin.com 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.
davidbrin.com 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.