CU.EDU University of Colorado |

cu.edu Website Information

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Daily Page Views: 263,604

Income Per Day: $527

Estimated Value: $379,440

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No name server records were found.

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The highest website cu.edu position in Alexa rank database was 27085 and the lowest rank position was 46938. Current position of cu.edu in Alexa rank database is 32645.

Desktop speed score of cu.edu (79/100) is better than the results of 67.91% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of cu.edu (98/100) is better than the results of 55.61% of other sites and means that the page is mobile-friendly.

Mobile speed score of cu.edu (51/100) is better than the results of 35.73% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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cu.edu Alexa Rank

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cu.edu whois

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or related to .edu domain registration records.

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By submitting a Whois query, you agree that this information
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domain names.

-------------------------------------------------------------

Domain Name: CU.EDU

Registrant:
University of Colorado System
University Information Systems
1800 Grant
Denver, CO 80203
USA

Administrative Contact:
Domain Admin
University Information Systems
1800 Grant
Denver, CO 80203
USA
+1.3038604321
hostmaster@cu.edu

Technical Contact:

University Information Systems
1800 Grant
Denver, CO 80203
USA
+1.3038604321
hostmaster@cu.edu

Name Servers:
NS11.CU.EDU
NS12.CU.EDU
NS10.CU.EDU
NS9.CU.EDU

Domain record activated: 25-Sep-1996
Domain record last updated: 08-May-2024
Domain expires: 31-Jul-2025

cu.edu server information

Servers Location

cu.edu desktop page speed rank

Last tested: 2017-04-20


Desktop Speed Medium
79/100

cu.edu Desktop Speed Test Quick Summary


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priority - 2Minify JavaScript

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priority - 2Leverage browser caching

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Leverage browser caching for the following cacheable resources:

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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:

http://www.cu.edu/sites/default/files/css/css_Qxco…tjycqWbXwg20vSlKsM.css

priority - 1Enable compression

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Enable compression for the following resources to reduce their transfer size by 13.8KiB (64% reduction).

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cu.edu Desktop Resource Breakdown

Total Resources94
Number of Hosts25
Static Resources61
JavaScript Resources18
CSS Resources5

cu.edu mobile page speed rank

Last tested: 2018-07-03


Mobile Speed Bad
51/100

cu.edu Mobile Speed Test Quick Summary


priority - 61Optimize images

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priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 8 blocking script resources and 7 blocking CSS resources. This causes a delay in rendering your page.

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https://translate.google.com/translate_a/element.j…leTranslateElementInit

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https://www.cu.edu/sites/default/files/css/css_dIJ…hmt0LSW6tSdYx1_IhA.css
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https://fonts.googleapis.com/css?family=Open+Sans:…+Slab:300&subset=latin

priority - 3Leverage browser caching

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Leverage browser caching for the following cacheable resources:

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priority - 2Minify JavaScript

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priority - 0Enable compression

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cu.edu Mobile Resource Breakdown

Total Resources106
Number of Hosts31
Static Resources71
JavaScript Resources23
CSS Resources8

cu.edu mobile page usability

Last tested: 2018-07-03


Mobile Usability Good
98/100

cu.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 <a href="/about-cu-system" class="">What is the CU System?</a> and 7 others are close to other tap targets.
The tap target <a href="/news-room" class="">CU News and Information</a> and 8 others are close to other tap targets.
The tap target <a href="/user"></a> is close to 1 other tap targets.

cu.edu HTML validation

Errors

A “charset” attribute on a “meta” element found after the first 1024 bytes.

Line: 10 Column: - 23
"... charset="utf-8" /><script typ..."

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

Line: 15 Column: 1 - 44
"...width" /> <meta http-equiv="cleartype" content="on" /> <link..."

A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.

Line: 16 Column: 1 - 155
"...t="on" /> <link rel="apple-touch-icon-precomposed" href="https://www.cu.edu/sites/all/themes/omega/omega/apple-touch-icon-precomposed-144x144.png" sizes="144x144" /> <link..." Line: 18 Column: 1 - 151
"...d.png" /> <link rel="apple-touch-icon-precomposed" href="https://www.cu.edu/sites/all/themes/omega/omega/apple-touch-icon-precomposed-72x72.png" sizes="72x72" /> <link..." Line: 19 Column: 1 - 155
"...72x72" /> <link rel="apple-touch-icon-precomposed" href="https://www.cu.edu/sites/all/themes/omega/omega/apple-touch-icon-precomposed-114x114.png" sizes="114x114" /> <meta..."

Bad value “https://fonts.googleapis.com/css?family=Open+Sans:300,600,700,regular|Roboto:500,regular|Roboto+Condensed:700|Roboto+Slab:300&subset=latin” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.

Line: 40 Column: 1 - 203
"...="all" /> <link type="text/css" rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:300,600,700,regular|Roboto:500,regular|Roboto+Condensed:700|Roboto+Slab:300&amp;subset=latin" media="all" /> <sc..."

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

Line: 65 Column: 5 - 141
"...ript> <iframe src="//s.thebrighttag.com/iframe?c=6EeDEhH" width="1" height="1" frameborder="0" scrolling="no" marginheight="0" marginwidth="0"></ifra..." Line: 87 Column: 3 - 213
"...script> <iframe src="https://5094706.fls.doubleclick.net/activityi;src=5094706;type=cu2010;cat=cu_sy0;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=;ord=1?" width="1" height="1" frameborder="0" style="display:none"></ifra..."

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

Line: 65 Column: 5 - 141
"...ript> <iframe src="//s.thebrighttag.com/iframe?c=6EeDEhH" width="1" height="1" frameborder="0" scrolling="no" marginheight="0" marginwidth="0"></ifra..."

The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.

Line: 65 Column: 5 - 141
"...ript> <iframe src="//s.thebrighttag.com/iframe?c=6EeDEhH" width="1" height="1" frameborder="0" scrolling="no" marginheight="0" marginwidth="0"></ifra..."

The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.

Line: 65 Column: 5 - 141
"...ript> <iframe src="//s.thebrighttag.com/iframe?c=6EeDEhH" width="1" height="1" frameborder="0" scrolling="no" marginheight="0" marginwidth="0"></ifra..."

Bad value “” for attribute “name” on element “input”: Must not be empty.

Line: 162 Column: 7 - 100
"...n"> <input type="submit" id="edit-submit-site-search" name="" value="Apply" class="form-submit" /> </..." Line: 362 Column: 7 - 146
"...n"> <input class="ctools-use-ajax ctools-auto-submit-click js-hide form-submit" type="submit" id="edit-submit-all-four" name="" value="Apply" /><ul cl..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 320 Column: 119 - 175
"...-four-bg"><img src="/sites/default/files/2017_09_a4co_hero_bg.jpg"></p> <..." Line: 323 Column: 26 - 82
"...our-logo"><img src="/sites/default/files/afo_text-lockup_1330.png"> <p cl..."

Attribute “about” not allowed on element “div” at this point.

Line: 376 Column: 189 - 386
"...l2-first"><div about="/article/cu-air-nutrition" typeof="sioc:Item foaf:Document" class="ds-1col node node--all-four node--promoted node-teaser view-mode-teaser node--teaser node--all-four--teaser clearfix"> ..." Line: 385 Column: 136 - 340
"...ol2-last"><div about="/article/getting-know-your-robot" typeof="sioc:Item foaf:Document" class="ds-1col node node--all-four node--promoted node-teaser view-mode-teaser node--teaser node--all-four--teaser clearfix"> ..." Line: 393 Column: 157 - 403
"...l2-first"><div about="/article/cu-denver-student-puts-his-passion-teaching-social-studies-action" typeof="sioc:Item foaf:Document" class="ds-1col node node--all-four node--promoted node-teaser view-mode-teaser node--teaser node--all-four--teaser clearfix"> ..." Line: 402 Column: 158 - 366
"...ol2-last"><div about="/article/cu-boulder-veteran-services" typeof="sioc:Item foaf:Document" class="ds-1col node node--all-four node--promoted node-teaser view-mode-teaser node--teaser node--all-four--teaser clearfix"> ..." Line: 411 Column: 137 - 349
"...l2-first"><div about="/article/all-four-people-scott-kupferman" typeof="sioc:Item foaf:Document" class="ds-1col node node--all-four node--promoted node-teaser view-mode-teaser node--teaser node--all-four--teaser clearfix"> ..." Line: 419 Column: 156 - 376
"...ol2-last"><div about="/article/second-cu-vaccine-approved-fda-shingles" typeof="sioc:Item foaf:Document" class="ds-1col node node--all-four node--promoted node-teaser view-mode-teaser node--teaser node--all-four--teaser clearfix"> ..." Line: 428 Column: 159 - 388
"...l2-first"><div about="/article/new-aerospace-engineering-building-breaks-ground" typeof="sioc:Item foaf:Document" class="ds-1col node node--all-four node--promoted node-teaser view-mode-teaser node--teaser node--all-four--teaser clearfix"> ..." Line: 438 Column: 136 - 349
"...ol2-last"><div about="/article/it%E2%80%99s-colorado-three-peat" typeof="sioc:Item foaf:Document" class="ds-1col node node--all-four node--promoted node-teaser view-mode-teaser node--teaser node--all-four--teaser clearfix"> ..." Line: 446 Column: 157 - 356
"...l2-first"><div about="/article/when-stars-collide" typeof="sioc:Item foaf:Document" class="ds-1col node node--all-four node--promoted node-teaser view-mode-teaser node--teaser node--all-four--teaser clearfix"> ..." Line: 454 Column: 159 - 379
"...ol2-last"><div about="/article/project-takes-aim-rural-students-health" typeof="sioc:Item foaf:Document" class="ds-1col node node--all-four node--promoted node-teaser view-mode-teaser node--teaser node--all-four--teaser clearfix"> ..." Line: 464 Column: 138 - 372
"...l2-first"><div about="/article/be-boulder-pact-save-student-body-84-million-annually" typeof="sioc:Item foaf:Document" class="ds-1col node node--all-four node--promoted node-teaser view-mode-teaser node--teaser node--all-four--teaser clearfix"> ..." Line: 471 Column: 172 - 419
"...ol2-last"><div about="/article/poverty-simulation-helps-dental-students-gain-knowledge-compassion" typeof="sioc:Item foaf:Document" class="ds-1col node node--all-four node--promoted node-teaser view-mode-teaser node--teaser node--all-four--teaser clearfix"> ..."

Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.

Line: 519 Column: 24 - 79
"...c-center"><a href="/cu-advocates" class=" small button" target="">BECOME..."

Attribute “datatype” not allowed on element “span” at this point.

Line: 550 Column: 91 - 203
"...-content"><span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2017-11-30T05:00:00-07:00">Novemb..." Line: 555 Column: 91 - 203
"...-content"><span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2017-11-30T04:59:00-07:00">Novemb..." Line: 560 Column: 91 - 203
"...-content"><span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2017-11-30T04:58:00-07:00">Novemb..." Line: 586 Column: 91 - 203
"...-content"><span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2017-11-16T17:45:00-07:00">Novemb..." Line: 591 Column: 91 - 203
"...-content"><span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2017-10-03T10:30:00-06:00">Octobe..." Line: 596 Column: 91 - 203
"...-content"><span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2017-09-11T22:00:00-06:00">Septem..." Line: 658 Column: 128 - 239
"...y-single"><span class="date-display-start" property="dc:date" datatype="xsd:dateTime" content="2017-12-06T17:30:00-07:00">5:30pm..." Line: 658 Column: 257 - 366
".../span> to <span class="date-display-end" property="dc:date" datatype="xsd:dateTime" content="2017-12-06T20:30:00-07:00">8:30pm..." Line: 664 Column: 128 - 239
"...y-single"><span class="date-display-start" property="dc:date" datatype="xsd:dateTime" content="2018-01-09T09:00:00-07:00">9:00am..." Line: 664 Column: 257 - 366
".../span> to <span class="date-display-end" property="dc:date" datatype="xsd:dateTime" content="2018-01-09T11:00:00-07:00">11:00a..." Line: 670 Column: 128 - 239
"...y-single"><span class="date-display-start" property="dc:date" datatype="xsd:dateTime" content="2018-01-30T15:00:00-07:00">3:00pm..." Line: 670 Column: 257 - 366
".../span> to <span class="date-display-end" property="dc:date" datatype="xsd:dateTime" content="2018-01-30T17:00:00-07:00">5:00pm..."

Attribute “content” not allowed on element “span” at this point.

Line: 550 Column: 91 - 203
"...-content"><span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2017-11-30T05:00:00-07:00">Novemb..." Line: 555 Column: 91 - 203
"...-content"><span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2017-11-30T04:59:00-07:00">Novemb..." Line: 560 Column: 91 - 203
"...-content"><span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2017-11-30T04:58:00-07:00">Novemb..." Line: 586 Column: 91 - 203
"...-content"><span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2017-11-16T17:45:00-07:00">Novemb..." Line: 591 Column: 91 - 203
"...-content"><span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2017-10-03T10:30:00-06:00">Octobe..." Line: 596 Column: 91 - 203
"...-content"><span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2017-09-11T22:00:00-06:00">Septem..." Line: 658 Column: 128 - 239
"...y-single"><span class="date-display-start" property="dc:date" datatype="xsd:dateTime" content="2017-12-06T17:30:00-07:00">5:30pm..." Line: 658 Column: 257 - 366
".../span> to <span class="date-display-end" property="dc:date" datatype="xsd:dateTime" content="2017-12-06T20:30:00-07:00">8:30pm..." Line: 664 Column: 128 - 239
"...y-single"><span class="date-display-start" property="dc:date" datatype="xsd:dateTime" content="2018-01-09T09:00:00-07:00">9:00am..." Line: 664 Column: 257 - 366
".../span> to <span class="date-display-end" property="dc:date" datatype="xsd:dateTime" content="2018-01-09T11:00:00-07:00">11:00a..." Line: 670 Column: 128 - 239
"...y-single"><span class="date-display-start" property="dc:date" datatype="xsd:dateTime" content="2018-01-30T15:00:00-07:00">3:00pm..." Line: 670 Column: 257 - 366
".../span> to <span class="date-display-end" property="dc:date" datatype="xsd:dateTime" content="2018-01-30T17:00:00-07:00">5:00pm..."

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

Line: 656 Column: 108 - 127
"...te-block"><div class='cu-day'><span ..." Line: 656 Column: 257 - 282
"...pan></div><div class='cu-month-day'><span ..." Line: 662 Column: 108 - 127
"...te-block"><div class='cu-day'><span ..." Line: 662 Column: 257 - 282
"...pan></div><div class='cu-month-day'><span ..." Line: 668 Column: 108 - 127
"...te-block"><div class='cu-day'><span ..." Line: 668 Column: 257 - 282
"...pan></div><div class='cu-month-day'><span ..."

End tag “div” seen, but there were open elements.

Line: 770 Column: 1 - 6
"...</div> </div> <scr..."

Unclosed element “footer”.

Line: 693 Column: 3 - 46
"... <footer class="clearfix" role="contentinfo"> <di..."

Warnings

The “banner” role is unnecessary for element “header”.

Line: 91 Column: 3 - 46
"...econd"> <header id="l-header-wrapper" role="banner"> ..."

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

Line: 167 Column: 1 - 130
"...v> </div> <nav id="block-menu-block-16" role="navigation" class="block block--menu-block menu-block-header-menu-block block--menu-block-16"> ..." Line: 705 Column: 5 - 136
"...r-2"> <nav id="block-menu-block-12" role="navigation" class="block block--menu-block menu-block-footer-menu-block-1 block--menu-block-12"> ..." Line: 715 Column: 1 - 132
"...v> </nav> <nav id="block-menu-block-13" role="navigation" class="block block--menu-block menu-block-footer-menu-block-2 block--menu-block-13"> ..." Line: 726 Column: 5 - 136
"...r-3"> <nav id="block-menu-block-14" role="navigation" class="block block--menu-block menu-block-footer-menu-block-3 block--menu-block-14"> ..." Line: 736 Column: 1 - 132
"...v> </nav> <nav id="block-menu-block-15" role="navigation" class="block block--menu-block menu-block-footer-menu-block-4 block--menu-block-15"> ..." Line: 759 Column: 5 - 129
"...t-2"> <nav id="block-menu-menu-social-media-links" role="navigation" class="block block--menu block--menu-menu-social-media-links"> ..."

The “contentinfo” role is unnecessary for element “footer”.

Line: 693 Column: 3 - 46
"... <footer class="clearfix" role="contentinfo"> <di..."

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cu.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.


cu.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.