colorado.edu Website Information

Daily Unique Visits: 2,388,505

Daily Page Views: 19,108,040

Income Per Day: $19,108

Estimated Value: $20,636,640

This website is located in United States and is using following IP address 128.138.129.98. See the complete list of popular websites hosted in United States.

colorado.edu is registered under .EDU top-level domain. Please check other sites in .EDU zone.

Website colorado.edu is using the following name servers:

boulder.colorado.edu
otis.colorado.edu
oldduke.colorado.edu

and is probably hosted by FASTLY - Fastly, US. See the full list of other websites hosted by FASTLY - Fastly, US.

The highest website colorado.edu position in Alexa rank database was 626 and the lowest rank position was 675. Current position of colorado.edu in Alexa rank database is 638.

Desktop speed score of colorado.edu (75/100) is better than the results of 59.78% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of colorado.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 colorado.edu (59/100) is better than the results of 52.41% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

colorado.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.

colorado.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: COLORADO.EDU

Registrant:
University of Colorado
3645 Marine Street
3645 Marine Street - 445 UCB
Boulder, CO 80309-0455
USA

Administrative Contact:
Domain Admin
University of Colorado
3645 Marine Street
3645 Marine Street - 445 UCB
Boulder, CO 80309-0455
USA
+1.3034922423
dnsadmin@colorado.edu

Technical Contact:
Domain Admin
University of Colorado
3645 Marine Street
3645 Marine Street - 445 UCB
Boulder, CO 80309-0455
USA
+1.3034922423
dnsadmin@colorado.edu

Name Servers:
A3-66.AKAM.NET
A20-65.AKAM.NET
A1-153.AKAM.NET
A2-67.AKAM.NET
A22-67.AKAM.NET
A11-66.AKAM.NET

Domain record activated: 02-Jun-1986
Domain record last updated: 15-Jul-2024
Domain expires: 31-Jul-2025

colorado.edu server information

Servers Location

colorado.edu desktop page speed rank

Last tested: 2019-12-02

Desktop Speed Medium

75/100

colorado.edu Desktop Speed Test Quick Summary

priority - 15Leverage 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:

https://www.colorado.edu/profiles/express/modules/…rome/images/bg_tab.png (expiration not specified)
https://www.colorado.edu/profiles/express/themes/u…r/be-boulder-white.svg (expiration not specified)
https://www.colorado.edu/profiles/express/themes/u…er-logo-text-white.svg (expiration not specified)
https://www.colorado.edu/sites/default/files/css/c…AsaDTAlRWNC9QP09H4.css (expiration not specified)
https://www.colorado.edu/sites/default/files/css/c…M3d6kCB5xso7BSBjjU.css (expiration not specified)
https://www.colorado.edu/sites/default/files/css/c…IMVnPLFIsaykO7D6EM.css (expiration not specified)
https://www.colorado.edu/sites/default/files/css/c…YC_v1Hz71Keet86ADA.css (expiration not specified)
https://www.colorado.edu/sites/default/files/css/c…5dWxyxYawuDiIyeX8I.css (expiration not specified)
https://www.colorado.edu/sites/default/files/css/c…EVd5Qgw7jmJzZoBB1s.css (expiration not specified)
https://www.colorado.edu/sites/default/files/css/c…xu4WO-qwma6Xer30m4.css (expiration not specified)
https://www.colorado.edu/sites/default/files/js/js…c-5sbAruO7Fc8Bbc7-M.js (expiration not specified)
https://www.colorado.edu/sites/default/files/js/js…-0CQ1ERS9nNiq2iizkU.js (expiration not specified)
https://www.colorado.edu/sites/default/files/js/js…dP9-06tvRUB_VvOMVwk.js (expiration not specified)
https://www.colorado.edu/sites/default/files/js/js…Ex1BrFHE39AiG_2tWi0.js (expiration not specified)
https://www.colorado.edu/sites/default/files/js/js…3-pPZpWFXEvuMvQz2gA.js (expiration not specified)
https://www.colorado.edu/sites/default/files/js/js…6GUa_41jc9ZG1TfaJgI.js (expiration not specified)
https://www.colorado.edu/sites/default/files/js/js…VnxadgD5vkr6aWzsSZ8.js (expiration not specified)
https://www.colorado.edu/sites/default/files/js/js…lcAr3_RKtjAHkjrQeSw.js (expiration not specified)
https://www.colorado.edu/sites/default/files/js/js…9Vgiv4-82lYJGH5WHJ0.js (expiration not specified)
https://www.colorado.edu/sites/default/files/js/js…DyJ8ZAPFJNKpfjtepLk.js (expiration not specified)
https://www.colorado.edu/sites/default/files/js/js…isWWerwknsKFTlvI3KE.js (expiration not specified)
https://www.googletagmanager.com/gtm.js?id=GTM-M3DX2QP (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/321674…3715?v=2.9.14&r=stable (20 minutes)
https://connect.facebook.net/signals/config/578235…2512?v=2.9.14&r=stable (20 minutes)
https://grad.apply.colorado.edu/ping (30 minutes)
https://ugrad.apply.colorado.edu/ping (30 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
https://js-agent.newrelic.com/nr-1153.min.js (2 hours)
https://www.google-analytics.com/analytics.js (2 hours)
https://sjs.bizographics.com/insight.min.js (7.1 hours)

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:

https://fast.fonts.net/cssapi/86696b99-fb1a-4964-9676-9233fb4fca8f.css

priority - 7Enable 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 64.9KiB (71% reduction).

Compressing https://www.colorado.edu/ could save 41.1KiB (75% reduction).
Compressing https://www.colorado.edu/profiles/express/themes/u…er-logo-text-white.svg could save 10.7KiB (69% reduction).
Compressing https://www.colorado.edu/profiles/express/librarie…odernizr.min.js?q1vtnf could save 5.3KiB (59% reduction).
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Compressing https://www.colorado.edu/profiles/express/themes/u…r/be-boulder-white.svg could save 1.1KiB (54% reduction).
Compressing https://pixel.sitescout.com/dmp/asyncPixelSync?cookieQ=1 could save 492B (49% reduction).
Compressing https://www.youtube.com/iframe_api could save 366B (43% reduction).

priority - 1Minify 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 14.5KiB (31% reduction).

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priority - 0Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 3.4KiB (11% reduction).

Compressing https://www.colorado.edu/sites/default/files/style…ader.jpg?itok=lVYRI2X3 could save 3.3KiB (11% reduction).
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colorado.edu Desktop Resource Breakdown

Total Resources	99
Number of Hosts	32
Static Resources	39
JavaScript Resources	31
CSS Resources	9

colorado.edu mobile page speed rank

Last tested: 2017-12-12

Mobile Speed Bad

59/100

colorado.edu Mobile Speed Test Quick Summary

priority - 34Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://colorado.edu/
https://colorado.edu/
https://www.colorado.edu/

priority - 32Eliminate 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:

https://fast.fonts.net/cssapi/86696b99-fb1a-4964-9676-9233fb4fca8f.css

priority - 5Leverage 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:

https://cache.btrll.com/default/Pix-1x1.gif (expiration not specified)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/1037280719652233?v=2.8.1 (20 minutes)
https://c1.rfihub.net/js/tc.min.js (60 minutes)
https://js-agent.newrelic.com/nr-1071.min.js (2 hours)
https://www.google-analytics.com/analytics.js (2 hours)
https://ugrad.apply.colorado.edu/ping (24 hours)

priority - 2Enable 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 18.8KiB (64% reduction).

Compressing https://c1.rfihub.net/js/tc.min.js could save 13.3KiB (68% reduction).
Compressing https://www.colorado.edu/profiles/express/librarie…odernizr.min.js?p0i73t could save 5.4KiB (57% 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 18.1KiB (28% reduction).

Minifying https://www.colorado.edu/sites/default/files/js/js…x8JtJVd01fTLn2QUNnM.js could save 6.3KiB (35% reduction) after compression.
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Minifying https://www.colorado.edu/sites/default/files/js/js…15NBRXr3FU3CNZeDamo.js could save 3.9KiB (21% reduction) after compression.
Minifying https://www.colorado.edu/sites/default/files/js/js…igCQQpXNsJoIXa9YKdY.js could save 1.3KiB (15% reduction) after compression.
Minifying https://www.colorado.edu/sites/default/files/js/js…neXTxIlrrv4wVYOJ8nY.js could save 1.2KiB (26% reduction) after compression.

priority - 1Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 8.1KiB (23% reduction).

Compressing https://www.colorado.edu/profiles/express/themes/e…/images/print-logo.png could save 2.1KiB (38% reduction).
Compressing https://www.colorado.edu/sites/all/themes/homepage2017_theme/logo.png could save 1.4KiB (53% reduction).
Compressing https://www.colorado.edu/sites/default/files/custo…/beboulder-logo-2x.png could save 1.3KiB (11% reduction).
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Compressing https://www.colorado.edu/profiles/express/modules/…der/images/circles.png could save 949B (75% reduction).
Compressing https://www.colorado.edu/profiles/express/modules/…/images/nav-arrows.png could save 902B (46% reduction).

colorado.edu Mobile Resource Breakdown

Total Resources	148
Number of Hosts	62
Static Resources	44
JavaScript Resources	23
CSS Resources	9

colorado.edu mobile page usability

Last tested: 2017-12-12

Mobile Usability Good

99/100

colorado.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.

The tap target <button id="toggle">Menu</button> is close to 1 other tap targets.

The tap target <a href="//www.colorado.edu/contact-us">Contact Us</a> and 7 others are close to other tap targets.
The tap target <a href="//www.colorado…273/attachment">Clery Act Annu…safety report</a> and 2 others are close to other tap targets.

colorado.edu HTML validation

Errors

Attribute “xmlns:og” not allowed here.

Line: 12 Column: 42 - 44
"... 7)]><!--><html lang="en" dir="ltr" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#"><!--<!..."

Attribute “xmlns:article” not allowed here.

Attribute “xmlns:book” not allowed here.

Attribute “xmlns:profile” not allowed here.

Attribute “xmlns:video” not allowed here.

Attribute “xmlns:product” not allowed here.

Bad value “cleartype” for attribute “http-equiv” on element “meta”.

Line: 47 Column: 3 - 44
"...width"> <meta http-equiv="cleartype" content="on"> <l..."

Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

Line: 330 Column: 1 - 7
"...v> </div> <style> .bl..." Line: 533 Column: 1 - 7
"...v> </div> <style> .bl..." Line: 561 Column: 1 - 7
"...v> </div> <style> .bl..."

The “itemprop” attribute was specified, but the element is not a property of any item.

Line: 699 Column: 99 - 177
"...s="first"><a href="http://www.facebook.com/cuboulder" itemprop="sameAs" title="Facebook"><span ..." Line: 700 Column: 5 - 81
"...</li> <li><a href="http://www.twitter.com/cuboulder" itemprop="sameAs" title="Twitter"><span ..." Line: 701 Column: 5 - 82
"...</li> <li><a href="https://www.youtube.com/cuboulder" itemprop="sameAs" title="YouTube"><span ..." Line: 702 Column: 5 - 92
"...</li> <li><a href="https://www.linkedin.com/school/cuboulder/" itemprop="sameAs" title="LinkedIn"><span ..." Line: 703 Column: 5 - 81
"...</li> <li><a href="http://instagram.com/cuboulder" itemprop="sameAs" title="Instagram"><span ..." Line: 704 Column: 18 - 95
"...ss="last"><a href="http://pinterest.com/cuboulder/" itemprop="sameAs" title="Pinterest"><span ..."

Warnings

Attribute with the local name “xmlns:og” is not serializable as XML 1.0.

Attribute with the local name “xmlns:article” is not serializable as XML 1.0.

Attribute with the local name “xmlns:book” is not serializable as XML 1.0.

Attribute with the local name “xmlns:profile” is not serializable as XML 1.0.

Attribute with the local name “xmlns:video” is not serializable as XML 1.0.

Attribute with the local name “xmlns:product” is not serializable as XML 1.0.

The “type” attribute is unnecessary for JavaScript resources.

Line: 19 Column: 56 - 86
"...E=edge" /><script type="text/javascript">(windo..." Line: 107 Column: 3 - 137
".../style> <script type="text/javascript" src="https://www.colorado.edu/sites/default/files/js/js_hCWal9LBwoN0dXtPK0Mn7A599Vgiv4-82lYJGH5WHJ0.js"></scri..." Line: 108 Column: 1 - 123
"...</script> <script type="text/javascript" src="https://www.colorado.edu/profiles/express/libraries/modernizr/modernizr.min.js?qesi3q"></..." Line: 109 Column: 1 - 135
"...</script> <script type="text/javascript" src="https://www.colorado.edu/sites/default/files/js/js_OZNF4qYMNJNBu3SmFk-qGRaJ6GUa_41jc9ZG1TfaJgI.js"></scri..." Line: 110 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 115 Column: 1 - 135
"...</script> <script type="text/javascript" src="https://www.colorado.edu/sites/default/files/js/js_M8SpfybDO8G3BVRxbAVc5C2jAJZFFwgS8cBnhVnqgW0.js"></scri..." Line: 116 Column: 1 - 135
"...</script> <script type="text/javascript" src="https://www.colorado.edu/sites/default/files/js/js_DzD04PZATtGOFjfR8HJgfcaO3-pPZpWFXEvuMvQz2gA.js"></scri..." Line: 117 Column: 1 - 135
"...</script> <script type="text/javascript" src="https://www.colorado.edu/sites/default/files/js/js_-NADCg3gEbnbDbWQfyTdqzIuc-5sbAruO7Fc8Bbc7-M.js"></scri..." Line: 118 Column: 1 - 135
"...</script> <script type="text/javascript" src="https://www.colorado.edu/sites/default/files/js/js_3gBf7GRI29uMSq03teoPuViadP9-06tvRUB_VvOMVwk.js"></scri..." Line: 119 Column: 1 - 66
"...</script> <script type="text/javascript" src="//www.youtube.com/iframe_api"></scri..." Line: 120 Column: 1 - 135
"...</script> <script type="text/javascript" src="https://www.colorado.edu/sites/default/files/js/js_rsGiM5M1ffe6EhN-RnhM5f3pDyJ8ZAPFJNKpfjtepLk.js"></scri..." Line: 121 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 126 Column: 1 - 135
"...</script> <script type="text/javascript" src="https://www.colorado.edu/sites/default/files/js/js_faqcPLMUXBK67OkQRBHrmaiMIwWMNtgbPeKu70DzXlQ.js"></scri..." Line: 127 Column: 1 - 135
"...</script> <script type="text/javascript" src="https://www.colorado.edu/sites/default/files/js/js_VfpioWq0Wze1GN2lGed6Ds8plcAr3_RKtjAHkjrQeSw.js"></scri..." Line: 128 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 553 Column: 5 - 173
"...cal"> <script type="text/javascript" src="https://calendar.colorado.edu/widget/view?schools=ucboulder&num=5&days=30&match=default&template=card&types=32980066893717&show_types=0&express-cc=1586289328"></script> <..." Line: 731 Column: 103 - 237
"...</a></div><script type="text/javascript" src="https://www.colorado.edu/sites/default/files/js/js_-eh9yRRRVz-zDhqiHLD2p4ID-0CQ1ERS9nNiq2iizkU.js"></scri..." Line: 732 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..." Line: 738 Column: 1 - 135
"...</script> <script type="text/javascript" src="https://www.colorado.edu/sites/default/files/js/js_zIS_x1xbqFltcwF3fjcXxcv4isWWerwknsKFTlvI3KE.js"></scri..." Line: 739 Column: 1 - 31
"...</script> <script type="text/javascript">window..."

The “type” attribute for the “style” element is not needed and should be omitted.

Line: 53 Column: 1 - 38
"...creen" /> <style type="text/css" media="screen"> <!--/..." Line: 62 Column: 1 - 38
"...print" /> <style type="text/css" media="screen"> <!--/..." Line: 67 Column: 1 - 83
"... </style> <style type="text/css" media="screen and (min-width:768px) and (max-width:1000px)"> <!--/..." Line: 72 Column: 1 - 61
"... </style> <style type="text/css" media="screen and (min-width:1000px)"> <!--/..." Line: 77 Column: 1 - 38
"... </style> <style type="text/css" media="screen"> <!--/..." Line: 82 Column: 1 - 83
"... </style> <style type="text/css" media="screen and (min-width:768px) and (max-width:1000px)"> <!--/..." Line: 87 Column: 1 - 61
"... </style> <style type="text/css" media="screen and (min-width:1000px)"> <!--/..." Line: 92 Column: 1 - 38
"... </style> <style type="text/css" media="screen"> <!--/..." Line: 97 Column: 1 - 83
"... </style> <style type="text/css" media="screen and (min-width:768px) and (max-width:1000px)"> <!--/..." Line: 102 Column: 1 - 61
"... </style> <style type="text/css" media="screen and (min-width:1000px)"> <!--/..."

The “navigation” role is unnecessary for element “nav”.

Line: 231 Column: 15 - 90
"... <nav role="navigation" tabindex="-1" class="region region-menu action-none"> ..." Line: 277 Column: 9 - 48
"...> <nav id="mobile-menu" role="navigation"> ..."

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colorado.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.

colorado.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.

COLORADO.EDU Home | University of Colorado Boulder

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colorado.edu Desktop Speed Test Quick Summary

priority - 15Leverage 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:

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 - 7Enable 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 64.9KiB (71% reduction).

priority - 1Minify 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 14.5KiB (31% reduction).

priority - 0Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 3.4KiB (11% reduction).

colorado.edu Desktop Resource Breakdown

colorado.edu mobile page speed rank

colorado.edu Mobile Speed Test Quick Summary

priority - 34Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

priority - 32Eliminate 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 - 5Leverage 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:

priority - 2Enable 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 18.8KiB (64% 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 18.1KiB (28% reduction).

priority - 1Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 8.1KiB (23% reduction).

colorado.edu Mobile Resource Breakdown

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colorado.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.

colorado.edu HTML validation

Errors

Attribute “xmlns:og” not allowed here.

Attribute “xmlns:article” not allowed here.

Attribute “xmlns:book” not allowed here.

Attribute “xmlns:profile” not allowed here.

Attribute “xmlns:video” not allowed here.

Attribute “xmlns:product” not allowed here.

Bad value “cleartype” for attribute “http-equiv” on element “meta”.

Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

The “itemprop” attribute was specified, but the element is not a property of any item.

Warnings

Attribute with the local name “xmlns:og” is not serializable as XML 1.0.

Attribute with the local name “xmlns:article” is not serializable as XML 1.0.

Attribute with the local name “xmlns:book” is not serializable as XML 1.0.

Attribute with the local name “xmlns:profile” is not serializable as XML 1.0.

Attribute with the local name “xmlns:video” is not serializable as XML 1.0.

Attribute with the local name “xmlns:product” is not serializable as XML 1.0.

The “type” attribute is unnecessary for JavaScript resources.

The “type” attribute for the “style” element is not needed and should be omitted.

The “navigation” role is unnecessary for element “nav”.

colorado.edu similar domains

colorado.edu Ping

colorado.edu TRACEROUTE