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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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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-------------------------------------------------------------
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
cu.edu Desktop Speed Test Quick Summary
priority - 18Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 171.7KiB (59% reduction).
Compressing http://www.cu.edu/sites/all/themes/cu/images/campus-plus.png could save 15.6KiB (94% reduction).
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Compressing http://www.cu.edu/sites/all/themes/cu/images/all_four_progress_white.png could save 1KiB (39% reduction).
Compressing http://www.cu.edu/sites/all/themes/cu/images/all_four_healing_white.png could save 1KiB (51% reduction).
Compressing http://www.cu.edu/sites/all/themes/cu/images/all_four_community_white.png could save 1KiB (39% reduction).
priority - 2Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 20.9KiB (24% reduction).
Minifying http://www.cu.edu/sites/default/files/js/js_DPrbGq…qP088faKn5nLRKJwwBw.js could save 5.2KiB (43% reduction) after compression.
Minifying http://www.cu.edu/sites/default/files/js/js_Gp6RYs…U3Pacd0z1BamxldcOG0.js could save 5KiB (13% reduction) after compression.
Minifying http://www.cu.edu/sites/default/files/js/js__IcoQ9…bMZPnbgCs0nBN8aYnCU.js could save 961B (54% reduction) after compression.
priority - 2Leverage 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://s.btstatic.com/tag.js (15 minutes)
http://www.google-analytics.com/analytics.js (2 hours)
https://js-agent.newrelic.com/nr-1026.min.js (2 hours)
http://siteimproveanalytics.com/js/siteanalyze_22171.js (4 hours)
priority - 2Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
priority - 1Enable 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 13.8KiB (64% reduction).
cu.edu Desktop Resource Breakdown
Total Resources | 94 |
Number of Hosts | 25 |
Static Resources | 61 |
JavaScript Resources | 18 |
CSS Resources | 5 |
cu.edu mobile page speed rank
Last tested: 2018-07-03
cu.edu Mobile Speed Test Quick Summary
priority - 61Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 593.7KiB (78% reduction).
Compressing https://www.cu.edu/sites/all/themes/cu/images/campus-plus.png could save 15.6KiB (94% reduction).
Compressing https://www.cu.edu/sites/all/themes/cu/images/all-four-menu-progress.png could save 14.2KiB (89% reduction).
Compressing https://www.cu.edu/sites/all/themes/cu/images/all-four-menu-colorado.png could save 14.1KiB (89% reduction).
Compressing https://www.cu.edu/sites/all/themes/cu/images/all-four-menu-healing.png could save 14.1KiB (92% reduction).
Compressing https://www.cu.edu/sites/all/themes/cu/images/all-four-menu-education.png could save 14.1KiB (89% reduction).
Compressing https://www.cu.edu/sites/all/themes/cu/images/all-four-menu-innovation.png could save 14.1KiB (89% reduction).
Compressing https://www.cu.edu/sites/all/themes/cu/images/all-four-menu-community.png could save 14KiB (88% reduction).
Compressing https://www.cu.edu/sites/all/themes/cu/images/all_four_education_white.png could save 1.2KiB (46% reduction).
Compressing https://www.cu.edu/sites/all/themes/cu/images/all_four_innovation_white.png could save 1.2KiB (43% reduction).
Compressing https://www.cu.edu/sites/all/themes/cu/images/all_four_white.png could save 1.1KiB (49% reduction).
Compressing https://www.cu.edu/sites/all/themes/cu/images/all_four_progress_white.png could save 1KiB (39% reduction).
Compressing https://www.cu.edu/sites/all/themes/cu/images/all_four_healing_white.png could save 1KiB (51% reduction).
Compressing https://www.cu.edu/sites/all/themes/cu/images/all_four_community_white.png could save 1KiB (39% reduction).
Compressing https://www.cu.edu/sites/all/themes/cu/images/all-four-menu.png could save 305B (19% reduction).
Compressing https://www.cu.edu/sites/all/themes/cu/images/all-…nu-progress-active.png could save 194B (11% reduction).
Compressing https://www.cu.edu/sites/all/themes/cu/images/all-…u-education-active.png could save 193B (11% reduction).
Compressing https://www.cu.edu/sites/all/themes/cu/images/all-…enu-healing-active.png could save 164B (13% reduction).
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.
Remove render-blocking JavaScript:
https://www.cu.edu/sites/default/files/js/js_EBuar…hNUuq1KDZDbctO_p1vw.js
https://www.cu.edu/sites/default/files/js/js_ptR1Z…6ztR4ckK-i_6gzFmlNM.js
https://www.cu.edu/sites/default/files/js/js_xsM2q…ZNYW3JnZlG-868tqR9M.js
https://www.cu.edu/sites/default/files/js/js_cqjEb…ZTr3EB8FUMvESA60Ieo.js
https://www.cu.edu/sites/default/files/js/js__IcoQ…bMZPnbgCs0nBN8aYnCU.js
https://www.cu.edu/sites/default/files/js/js_rB78u…Cskjioqa1u6H7xFmUh0.js
https://translate.google.com/translate_a/element.j…leTranslateElementInit
Optimize CSS Delivery of the following:
https://fast.fonts.net/t/1.css?apiType=css&project…4964-9676-9233fb4fca8f
https://www.cu.edu/sites/default/files/css/css_dIJ…hmt0LSW6tSdYx1_IhA.css
https://www.cu.edu/sites/default/files/css/css_hdh…vHyXZ0FfEvS3OW0e_8.css
https://www.cu.edu/sites/default/files/css/css_lPE…aXMjjxsaYoujFjxD74.css
https://www.cu.edu/sites/default/files/css/css_7X2…A6FH8RutSzy0mdS-1Y.css
https://fonts.googleapis.com/css?family=Open+Sans:…+Slab:300&subset=latin
priority - 3Leverage 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://translate.googleapis.com/translate_static/js/element/main.js (60 minutes)
https://js-agent.newrelic.com/nr-1071.min.js (2 hours)
https://www.google-analytics.com/analytics.js (2 hours)
https://s.btstatic.com/tag.js (4 hours)
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 22.1KiB (25% reduction).
Minifying https://www.cu.edu/sites/default/files/js/js_xPNQ6…ypSbEqR7fyh75P3snIc.js could save 5.9KiB (12% reduction) after compression.
Minifying https://www.cu.edu/sites/default/files/js/js_cqjEb…ZTr3EB8FUMvESA60Ieo.js could save 5.4KiB (43% reduction) after compression.
Minifying https://www.cu.edu/sites/default/files/js/js__IcoQ…bMZPnbgCs0nBN8aYnCU.js could save 961B (54% reduction) after compression.
Minifying https://www.cu.edu/sites/default/files/js/js_ptR1Z…6ztR4ckK-i_6gzFmlNM.js could save 161B (27% reduction) after compression.
Minifying https://www.cu.edu/sites/default/files/js/js_rB78u…Cskjioqa1u6H7xFmUh0.js could save 121B (22% reduction) after compression.
priority - 0Enable 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 365B (43% reduction).
cu.edu Mobile Resource Breakdown
Total Resources | 106 |
Number of Hosts | 31 |
Static Resources | 71 |
JavaScript Resources | 23 |
CSS Resources | 8 |
cu.edu mobile page usability
Last tested: 2018-07-03
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.
<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.
"... charset="utf-8" /><script typ..."
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
"...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”.
"...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.
"...="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&subset=latin" media="all" /> <sc..."
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
"...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.
"...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.
"...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.
"...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.
"...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.
"...-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.
"...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.
"...c-center"><a href="/cu-advocates" class=" small button" target="">BECOME..."
Attribute “datatype” not allowed on element “span” at this point.
"...-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.
"...-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.)
"...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.
"...</div> </div> <scr..."
Unclosed element “footer”.
"... <footer class="clearfix" role="contentinfo"> <di..."
Warnings
The “banner” role is unnecessary for element “header”.
"...econd"> <header id="l-header-wrapper" role="banner"> ..."
The “navigation” role is unnecessary for element “nav”.
"...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”.
"... <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.