CANCER.GOV Comprehensive Cancer Information - NCI

cancer.gov Website Information

Daily Unique Visits: 2,101,884

Daily Page Views: 16,815,072

Income Per Day: $16,815

Estimated Value: $18,160,200

This website is located in United States and is using following IP address 129.43.254.31. See the complete list of popular websites hosted in United States.

cancer.gov is registered under .GOV top-level domain. Please check other sites in .GOV zone.

Website cancer.gov is using the following name servers:

  • ns3.nih.gov
  • ns2.nih.gov
  • ns.nih.gov

and is probably hosted by NCIFCRF - National Cancer Institute/Frederick Cancer Research, US. See the full list of other websites hosted by NCIFCRF - National Cancer Institute/Frederick Cancer Research, US.

The highest website cancer.gov position in Alexa rank database was 714 and the lowest rank position was 766. Current position of cancer.gov in Alexa rank database is 725.

Desktop speed score of cancer.gov (54/100) is better than the results of 28.19% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of cancer.gov (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 cancer.gov (28/100) is better than the results of 8.55% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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cancer.gov 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.


cancer.gov 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.


% DOTGOV WHOIS Server ready
Domain Name: CANCER.GOV
Status: ACTIVE
Security Contact Email: ResponsibleDisclosure@hhs.gov

>>> Last update of whois database: 2021-04-25T00:07:27Z

cancer.gov server information

Servers Location

cancer.gov desktop page speed rank

Last tested: 2016-06-14


Desktop Speed Bad
54/100

cancer.gov Desktop Speed Test Quick Summary


priority - 54Optimize images

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

Optimize the following images to reduce their size by 529.7KiB (64% reduction).

Losslessly compressing http://www.cancer.gov/publishedcontent/images/imag…hics/fuchsia-waves.jpg could save 155KiB (76% reduction).
Compressing and resizing http://www.cancer.gov/PublishedContent/Images/imag…now-enrolling-wide.jpg could save 118.9KiB (93% reduction).
Losslessly compressing http://www.cancer.gov/publishedcontent/images/imag…phics/navy-squares.jpg could save 76KiB (40% reduction).
Compressing and resizing http://www.cancer.gov/PublishedContent/Images/imag…-lowy-wide-feature.jpg could save 74KiB (90% reduction).
Compressing and resizing http://www.cancer.gov/PublishedContent/Images/rese…-get-involved-wide.jpg could save 36KiB (82% reduction).
Losslessly compressing http://www.cancer.gov/publishedcontent/images/imag…aphics/emerald-xes.jpg could save 21.9KiB (33% reduction).
Losslessly compressing http://www.cancer.gov/publishedcontent/images/imag…ts/icons/menu-icon.png could save 14.4KiB (98% reduction).
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Losslessly compressing http://www.cancer.gov/publishedcontent/images/imag…ons/contact-mobile.png could save 2.7KiB (87% reduction).
Losslessly compressing http://www.cancer.gov/publishedcontent/images/imag…-blue-circle-arrow.png could save 1.2KiB (72% reduction).
Losslessly compressing http://www.cancer.gov/publishedcontent/images/imag…cream-circle-arrow.png could save 923B (67% reduction).
Losslessly compressing http://www.cancer.gov/publishedcontent/images/imag…hics/red-triangles.jpg could save 845B (14% reduction).
Losslessly compressing http://www.cancer.gov/publishedcontent/images/imag…graphics/blue-dots.jpg could save 844B (26% reduction).
Losslessly compressing http://www.cancer.gov/publishedcontent/images/imag…cs/yellow-hexagons.jpg could save 842B (11% 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://static.cancer.gov/webanalytics/wcms/NCIAnalyticsFunctions.js (expiration not specified)
http://static.cancer.gov/webanalytics/wcms/s_code.js (expiration not specified)
http://static.cancer.gov/webanalytics/wcms/wa_wcms_pre.js (expiration not specified)
http://www.cancer.gov/PublishedContent/Images/imag…image_home_desktop.jpg (expiration not specified)
http://www.cancer.gov/PublishedContent/Images/imag…_image_home_tablet.jpg (expiration not specified)
http://www.cancer.gov/PublishedContent/Images/imag…c-infographic-wide.png (expiration not specified)
http://www.cancer.gov/PublishedContent/Images/imag…-lowy-wide-feature.jpg (expiration not specified)
http://www.cancer.gov/PublishedContent/Images/imag…now-enrolling-wide.jpg (expiration not specified)
http://www.cancer.gov/PublishedContent/Images/rese…-get-involved-wide.jpg (expiration not specified)
http://www.cancer.gov/PublishedContent/Styles/nvcg.css (expiration not specified)
http://www.cancer.gov/PublishedContent/js/Common.js (expiration not specified)
http://www.cancer.gov/PublishedContent/js/ContentPage.js (expiration not specified)
http://www.cancer.gov/PublishedContent/js/HomePage.js (expiration not specified)
http://www.cancer.gov/publishedcontent/fonts/Montserrat-700.woff (expiration not specified)
http://www.cancer.gov/publishedcontent/fonts/Montserrat-regular.woff (expiration not specified)
http://www.cancer.gov/publishedcontent/fonts/Noto-Sans-700.woff (expiration not specified)
http://www.cancer.gov/publishedcontent/fonts/Noto-Sans-regular.woff (expiration not specified)
http://www.cancer.gov/publishedcontent/fonts/nci-flaticon.woff (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…phics/blue-circles.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…graphics/blue-dots.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…ics/blue-triangles.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…aphics/emerald-xes.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…hics/fuchsia-waves.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…phics/green-arrows.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…aphics/green-plaid.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…lar_structure_body.png (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…r_structure_footer.png (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…phics/navy-squares.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…phics/orange-plaid.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…phics/orange-waves.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…ics/pink-triangles.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…ics/purple-circles.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…aphics/red-squares.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…hics/red-triangles.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…raphics/slate-grid.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…cs/yellow-hexagons.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…arousel-link-arrow.png (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…-blue-circle-arrow.png (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…cream-circle-arrow.png (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…ons/contact-mobile.png (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…/dictionary-mobile.png (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…ts/icons/menu-icon.png (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…s/icons/nci-sprite.png (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…cons/search-mobile.png (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…ogos/nci-logo-full.svg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…ia/blog/blog-thumb.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…ook/facebook-thumb.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/imag…tter/twitter-thumb.jpg (expiration not specified)
http://www.cancer.gov/publishedcontent/images/images/spacer.gif (expiration not specified)
http://m.addthisedge.com/live/boost?pub=xa-4ed7cc9…_ate.track.config_resp (60 seconds)
http://s7.addthis.com/js/250/addthis_widget.js (10 minutes)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)

priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 3 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://www.cancer.gov/PublishedContent/js/Common.js
http://www.cancer.gov/PublishedContent/js/ContentPage.js
http://www.cancer.gov/PublishedContent/js/HomePage.js

Optimize CSS Delivery of the following:

http://www.cancer.gov/PublishedContent/Styles/nvcg.css

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 5KiB (17% reduction).

Minifying http://static.cancer.gov/webanalytics/wcms/s_code.js could save 2.2KiB (12% reduction) after compression.
Minifying http://static.cancer.gov/webanalytics/wcms/NCIAnalyticsFunctions.js could save 2.1KiB (32% reduction) after compression.
Minifying http://gateway.answerscloud.com/cancer-gov/product…eydef.js?v=R036178E3E7 could save 679B (21% 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 3.7KiB (67% reduction).

Compressing http://www.cancer.gov/publishedcontent/images/imag…ogos/nci-logo-full.svg could save 3.7KiB (67% reduction).

cancer.gov Desktop Resource Breakdown

Total Resources74
Number of Hosts14
Static Resources62
JavaScript Resources18
CSS Resources3

cancer.gov mobile page speed rank

Last tested: 2017-06-06


Mobile Speed Bad
28/100

cancer.gov Mobile Speed Test Quick Summary


priority - 108Optimize images

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

Optimize the following images to reduce their size by 1MiB (75% reduction).

Compressing https://www.cancer.gov/publishedcontent/images/ima…hics/fuchsia-waves.jpg could save 194.2KiB (95% reduction).
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Compressing https://www.cancer.gov/publishedcontent/images/ima…phics/navy-squares.jpg could save 158.8KiB (82% reduction).
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Compressing https://www.cancer.gov/publishedcontent/images/ima…aphics/emerald-xes.jpg could save 57KiB (84% reduction).
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Compressing https://www.cancer.gov/publishedcontent/images/ima…aphics/green-plaid.jpg could save 37.1KiB (74% reduction).
Compressing and resizing https://www.cancer.gov/PublishedContent/Images/ima…d-wide.__v10043383.png could save 35.6KiB (84% reduction).
Compressing https://www.cancer.gov/publishedcontent/images/ima…s/icons/nci-sprite.png could save 32.3KiB (35% reduction).
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Compressing https://www.cancer.gov/publishedcontent/images/ima…phics/orange-plaid.jpg could save 5.6KiB (25% reduction).
Compressing https://www.cancer.gov/publishedcontent/images/ima…ics/blue-triangles.jpg could save 4.7KiB (75% reduction).
Compressing https://www.cancer.gov/publishedcontent/images/ima…phics/orange-waves.jpg could save 3.9KiB (22% reduction).
Compressing https://www.cancer.gov/publishedcontent/images/ima…ons/contact-mobile.png could save 2.7KiB (88% reduction).
Compressing https://www.cancer.gov/publishedcontent/images/ima…ics/purple-circles.jpg could save 2.3KiB (22% reduction).
Compressing https://www.cancer.gov/publishedcontent/images/ima…hics/red-triangles.jpg could save 1.9KiB (32% reduction).
Compressing https://www.cancer.gov/publishedcontent/images/ima…ia/blog/blog-thumb.jpg could save 1.8KiB (19% reduction).
Compressing https://www.cancer.gov/publishedcontent/images/ima…cs/yellow-hexagons.jpg could save 1.7KiB (21% reduction).
Compressing https://www.cancer.gov/publishedcontent/images/ima…phics/green-arrows.jpg could save 1.4KiB (23% reduction).
Compressing https://www.cancer.gov/publishedcontent/images/ima…aphics/red-squares.jpg could save 1.3KiB (28% reduction).
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Compressing https://www.cancer.gov/publishedcontent/images/ima…/dictionary-mobile.png could save 932B (65% reduction).
Compressing https://www.cancer.gov/publishedcontent/images/ima…arousel-link-arrow.png could save 859B (77% reduction).
Compressing https://www.cancer.gov/publishedcontent/images/ima…tter/twitter-thumb.jpg could save 517B (17% reduction).

priority - 80Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 8 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://dap.digitalgov.gov/Universal-Federated-Ana…ency=HHS&subagency=NCI
https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js
https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js
https://cdnjs.cloudflare.com/ajax/libs/headroom/0.9.3/headroom.min.js
https://cdnjs.cloudflare.com/ajax/libs/jquery.touc…uery.touchSwipe.min.js
https://www.cancer.gov/PublishedContent/js/Common.…21080776a68cc2538f4.js
https://www.cancer.gov/PublishedContent/js/Content…134fa65e29ce6f6a2d4.js
https://www.cancer.gov/PublishedContent/js/HomePag…44c9f9028d9e1158bd9.js

Optimize CSS Delivery of the following:

https://www.cancer.gov/PublishedContent/Styles/nvc…ccce0ac00b4d33aab6.css
https://fonts.googleapis.com/css?family=Roboto+Condensed

priority - 35Leverage 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://static.cancer.gov/webanalytics/wcms/NCIAnalyticsFunctions.js (expiration not specified)
https://static.cancer.gov/webanalytics/wcms/s_code.js (expiration not specified)
https://static.cancer.gov/webanalytics/wcms/wa_wcms_pre.js (expiration not specified)
https://www.cancer.gov/PublishedContent/Images/ima…image_home_desktop.jpg (expiration not specified)
https://www.cancer.gov/PublishedContent/Images/ima…_image_home_tablet.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/fonts/Montserrat-700.woff (expiration not specified)
https://www.cancer.gov/publishedcontent/fonts/Montserrat-regular.woff (expiration not specified)
https://www.cancer.gov/publishedcontent/fonts/Noto-Sans-700.woff (expiration not specified)
https://www.cancer.gov/publishedcontent/fonts/Noto-Sans-regular.woff (expiration not specified)
https://www.cancer.gov/publishedcontent/fonts/nci-flaticon.woff (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…phics/blue-circles.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…graphics/blue-dots.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…ics/blue-triangles.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…aphics/emerald-xes.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…hics/fuchsia-waves.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…phics/green-arrows.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…aphics/green-plaid.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…r_structure_footer.png (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…phics/navy-squares.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…phics/orange-plaid.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…phics/orange-waves.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…ics/pink-triangles.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…ics/purple-circles.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…aphics/red-squares.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…hics/red-triangles.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…raphics/slate-grid.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…cs/yellow-hexagons.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…arousel-link-arrow.png (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…-blue-circle-arrow.png (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…ons/contact-mobile.png (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…/dictionary-mobile.png (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…ts/icons/menu-icon.png (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…s/icons/nci-sprite.png (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…cons/search-mobile.png (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…ogos/nci-logo-full.svg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…ia/blog/blog-thumb.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…ook/facebook-thumb.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…tter/twitter-thumb.jpg (expiration not specified)
https://www.cancer.gov/publishedcontent/images/ima…t_75_ffffff_40x100.png (expiration not specified)
https://www.cancer.gov/publishedcontent/images/images/spacer.gif (expiration not specified)
https://m.addthisedge.com/live/boost/xa-4ed7cc9f00…_ate.track.config_resp (60 seconds)
https://s7.addthis.com/js/250/addthis_widget.js (10 minutes)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://gateway.answerscloud.com/cancer-gov/production/gateway.min.js (6.7 hours)
https://gateway.answerscloud.com/cancer-gov/produc…ee_dhtml.css?v=jqrdyjc (6.7 hours)
https://gateway.answerscloud.com/cancer-gov/produc…ontroller.js?v=jqrdyjc (6.7 hours)
https://gateway.answerscloud.com/cancer-gov/produc…surveydef.js?v=jqrdyjc (6.7 hours)
https://gateway.answerscloud.com/cancer-gov/produc…e_trigger.js?v=jqrdyjc (6.7 hours)

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://cancer.gov/
https://cancer.gov/
https://www.cancer.gov/

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 9.1KiB (25% reduction).

Minifying https://static.cancer.gov/webanalytics/wcms/NCIAnalyticsFunctions.js could save 6.1KiB (43% reduction) after compression.
Minifying https://static.cancer.gov/webanalytics/wcms/s_code.js could save 2.3KiB (12% reduction) after compression.
Minifying https://gateway.answerscloud.com/cancer-gov/produc…surveydef.js?v=jqrdyjc could save 677B (21% 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 3.7KiB (67% reduction).

Compressing https://www.cancer.gov/publishedcontent/images/ima…ogos/nci-logo-full.svg could save 3.7KiB (67% reduction).

cancer.gov Mobile Resource Breakdown

Total Resources84
Number of Hosts21
Static Resources69
JavaScript Resources27
CSS Resources4

cancer.gov mobile page usability

Last tested: 2017-06-06


Mobile Usability Good
99/100

cancer.gov Mobile Usability Test Quick Summary


priority - 0Size 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 <div class="headroom-area…om--not-bottom">Español…ns Dictionary</div> is close to 2 other tap targets.

The tap target <a href="/espanol">Español</a> is close to 2 other tap targets.

cancer.gov HTML validation

Errors

X-UA-Compatible HTTP header must have the value “IE=edge”, was “IE=10”.

Line: Column: -
"......"

Bad value “60%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.

Line: 26 Column: 13 - 144
"... href="/"><img src="/publishedcontent/images/images/design-elements/logos/nci-logo-full.__v1.svg" alt="National Cancer Institute" width="60%"></a> ..."

Element “div” is missing one or more of the following attributes: “role”.

Line: 188 Column: 11 - 79
"... </ul><div aria-expanded="false" aria-haspopup="true" class="sub-nav-mega"> ..." Line: 226 Column: 11 - 79
"... </ul><div aria-expanded="false" aria-haspopup="true" class="sub-nav-mega"> ..." Line: 298 Column: 11 - 79
"... </ul><div aria-expanded="false" aria-haspopup="true" class="sub-nav-mega"> ..." Line: 368 Column: 11 - 79
"... </ul><div aria-expanded="false" aria-haspopup="true" class="sub-nav-mega"> ..." Line: 400 Column: 11 - 79
"... </ul><div aria-expanded="false" aria-haspopup="true" class="sub-nav-mega"> ..." Line: 474 Column: 11 - 79
"... </ul><div aria-expanded="false" aria-haspopup="true" class="sub-nav-mega"> ..."

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

Line: 299 Column: 2464 - 2469
"...</ul></li><br /><br />..." Line: 299 Column: 2470 - 2475
".../li><br /><br /><li><a..." Line: 369 Column: 489 - 494
"...</ul></li><br /><li><a..." Line: 369 Column: 2021 - 2026
"...</ul></li><br /><li><a..." Line: 475 Column: 2228 - 2233
"...s</a></li><br /><br />..." Line: 475 Column: 2234 - 2239
".../li><br /><br /><li><a..."

Attribute “a” not allowed on element “a” at this point.

Line: 647 Column: 5 - 79
"...</li> <li><a class="arrow-link" href="/about-cancer/diagnosis-staging" a="" title="">Diagno..."

Warnings

The “type” attribute is unnecessary for JavaScript resources.

Line: 9 Column: 1152 - 1253
"...ffffff" /><script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js" type="text/javascript"></scri..." Line: 9 Column: 1263 - 1384
"...></script><script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js" defer="defer" type="text/javascript"></scri..." Line: 9 Column: 1394 - 1500
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The “banner” role is unnecessary for element “header”.

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

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"...ton></div><nav id="mega-nav" role="navigation"> <..."

cancer.gov similar domains

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cancer.gov 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.


cancer.gov 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.