RSNA.ORG Radiological Society of North America | RSNA

rsna.org Website Information

Daily Unique Visits: 337,587

Daily Page Views: 2,700,696

Income Per Day: $2,701

Estimated Value: $2,917,080

This website is located in United States and is using following IP address 192.190.47.159. See the complete list of popular websites hosted in United States.

rsna.org is registered under .ORG top-level domain. Please check other sites in .ORG zone.

Website rsna.org is using the following name servers:

  • ns-1259.awsdns-29.org
  • ns-1593.awsdns-07.co.uk
  • ns-258.awsdns-32.com
  • ns-975.awsdns-57.net

and is probably hosted by SERVERCENTRAL - Server Central Network, US. See the full list of other websites hosted by SERVERCENTRAL - Server Central Network, US.

The highest website rsna.org position in Alexa rank database was 4348 and the lowest rank position was 4653. Current position of rsna.org in Alexa rank database is 4514.

Desktop speed score of rsna.org (37/100) is better than the results of 12.68% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of rsna.org (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 rsna.org (18/100) is better than the results of 3.73% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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rsna.org 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.


rsna.org whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.


Domain Name: RSNA.ORG
Registry Domain ID: D3737099-LROR
Registrar WHOIS Server: whois.registrar.amazon.com
Registrar URL: registrar.amazon.com
Updated Date: 2021-03-13T00:15:39Z
Creation Date: 1994-04-15T04:00:00Z
Registry Expiry Date: 2022-04-16T04:00:00Z
Registrar Registration Expiration Date:
Registrar: Amazon Registrar, Inc.
Registrar IANA ID: 468
Registrar Abuse Contact Email: abuse@amazonaws.com
Registrar Abuse Contact Phone: +1.2067406200
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registrant Organization: RSNA
Registrant State/Province: IL
Registrant Country: US
Name Server: NS-1259.AWSDNS-29.ORG
Name Server: NS-1593.AWSDNS-07.CO.UK
Name Server: NS-258.AWSDNS-32.COM
Name Server: NS-975.AWSDNS-57.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2021-04-26T21:53:08Z

rsna.org server information

Servers Location

rsna.org desktop page speed rank

Last tested: 2017-05-28


Desktop Speed Bad
37/100

rsna.org Desktop Speed Test Quick Summary


priority - 101Enable compression

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priority - 35Optimize images

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

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priority - 21Leverage 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:

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http://www.rsna.org/css/bannerSlideshow.css (expiration not specified)
http://www.rsna.org/css/jquery-ui-1.11.0.custom.min.css (expiration not specified)
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http://www.rsna.org/css/rsnaMain.css (expiration not specified)
http://www.rsna.org/images/BootstrapMobileMenuButton.png (expiration not specified)
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http://www.rsna.org/images/Warning.png (expiration not specified)
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http://www.rsna.org/uploadedImages/RSNA/Content/Home/RG_37.3a.jpg (expiration not specified)
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http://www.rsna.org/uploadedImages/RSNA/Content/Home/RY_283.3.June.2017.jpg (expiration not specified)
http://www.rsna.org/uploadedImages/RSNA/Content/Ne…tionalRadiology(1).jpg (expiration not specified)
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https://connect.facebook.net/en_US/fbevents.js (20 minutes)
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priority - 14Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 22 blocking script resources and 7 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

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http://www.rsna.org/js/Calendar.js
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Optimize CSS Delivery of the following:

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priority - 4Minify JavaScript

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priority - 4Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.

Only about 30% of the final above-the-fold content could be rendered with the full HTML response.

priority - 2Reduce server response time

priority - 2Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 20.6KiB (19% reduction).

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priority - 2Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 15.7KiB (24% reduction).

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rsna.org Desktop Resource Breakdown

Total Resources75
Number of Hosts16
Static Resources47
JavaScript Resources26
CSS Resources8

rsna.org mobile page speed rank

Last tested: 2019-12-10


Mobile Speed Bad
18/100

rsna.org Mobile Speed Test Quick Summary


priority - 213Enable compression

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

Your page has 13 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

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https://www.rsna.org/Scripts/popper.min.js
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https://www.rsna.org/Scripts/RSNA/rsna.min.2.js
https://www.rsna.org/layouts/system/VisitorIdentification.js
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Optimize CSS Delivery of the following:

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priority - 38Optimize images

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

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priority - 28Leverage 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:

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https://www.rsna.org/Scripts/bootstrap.min.js (expiration not specified)
https://www.rsna.org/Scripts/jquery-3.3.1.min.js (expiration not specified)
https://www.rsna.org/Scripts/popper.min.js (expiration not specified)
https://www.rsna.org/css/RSNA/bootstrap.min.css (expiration not specified)
https://www.rsna.org/css/RSNA/rsna.min.css (expiration not specified)
https://www.rsna.org/css/flexslider.css (expiration not specified)
https://www.rsna.org/css/rsna/home/app.css (expiration not specified)
https://www.rsna.org/css/rsna/l2/main.css (expiration not specified)
https://www.rsna.org/images/rsna/home/bulb.png (expiration not specified)
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https://www.rsna.org/images/rsna/home/woman_1.jpg (expiration not specified)
https://www.rsna.org/images/rsna/home/woman_doctor.jpg (expiration not specified)
https://www.rsna.org/images/rsna/home/xray_group.jpg (expiration not specified)
https://www.rsna.org/layouts/system/VisitorIdentification.js (expiration not specified)
https://www.rsna.org/scripts/rsna/home/app.bundle.js (expiration not specified)
https://www.rsna.org/scripts/rsna/l2/main.js (expiration not specified)
https://bfintal.github.io/Counter-Up/jquery.counterup.min.js (10 minutes)
https://www.googletagmanager.com/gtag/js?id=UA-29522974-1 (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/278629…9371?v=2.9.14&r=stable (20 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 26Avoid 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://rsna.org/
http://www.rsna.org/
https://www.rsna.org/

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priority - 5Minify JavaScript

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priority - 2Minify CSS

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rsna.org Mobile Resource Breakdown

Total Resources80
Number of Hosts12
Static Resources70
JavaScript Resources19
CSS Resources6

rsna.org mobile page usability

Last tested: 2019-12-10


Mobile Usability Good
99/100

rsna.org 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 <a href="http://www.twitter.com/rsna"></a> and 2 others are close to other tap targets.
The tap target <a href="http://www.lin…m/company/rsna"></a> is close to 1 other tap targets.

rsna.org HTML validation

Warnings

The “type” attribute is unnecessary for JavaScript resources.

Line: 88 Column: 1 - 98
"... <script type="text/javascript" src="https://www.rsna.org/layouts/system/VisitorIdentification.js"></scri..."

Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).

Line: 2338 Column: 1 - 4
"...rica</h4> <h1>Advanc..."

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Line: 2586 Column: 1 - 41
".../section> <section class="shape grey-dark desktop"> <div ..." Line: 2858 Column: 1 - 42
".../section> <section class="shape grey-light desktop"> <div ..." Line: 4146 Column: 1 - 41
".../section> <section class="shape grey-dark desktop"> <div ..." Line: 4169 Column: 1 - 42
".../section> <section class="shape grey-light desktop"> <div ..." Line: 2286 Column: 5 - 23
"... <section class=""> ..." Line: 4464 Column: 5 - 23
"...tion> <section class=""> ..." Line: 4467 Column: 5 - 23
"...tion> <section class=""> ..." Line: 4470 Column: 5 - 23
"...tion> <section class=""> ..."

The first occurrence of ID “_Group_” was here.

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"... 1447.3"> <g id="_Group_" data-name=" Group "> <g cl..." Line: 2378 Column: 1 - 36
"... 1447.3"> <g id="_Group_" data-name=" Group "> <g cl..."

The first occurrence of ID “_Group_2” was here.

Line: 2386 Column: 1 - 38
"...circles"> <g id="_Group_2" data-name=" Group 2"> <circ..."

The first occurrence of ID “_Group_3” was here.

Line: 2389 Column: 1 - 38
"...cle> </g> <g id="_Group_3" data-name=" Group 3"> <path..."

The first occurrence of ID “_Group_4” was here.

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"...ath> </g> <g id="_Group_4" data-name=" Group 4"> <circ..."

The first occurrence of ID “_Group_5” was here.

Line: 2395 Column: 1 - 38
"...cle> </g> <g id="_Group_5" data-name=" Group 5"> <path..."

The first occurrence of ID “_Group_6” was here.

Line: 2398 Column: 1 - 38
"...ath> </g> <g id="_Group_6" data-name=" Group 6"> <path..."

The first occurrence of ID “_Group_7” was here.

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"...ath> </g> <g id="_Group_7" data-name=" Group 7"> <circ..."

The first occurrence of ID “_Group_8” was here.

Line: 2404 Column: 1 - 38
"...cle> </g> <g id="_Group_8" data-name=" Group 8"> <circ..."

The first occurrence of ID “_Path_” was here.

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

Line: 4398 Column: 1 - 23
"... hero --> <style type="text/css"> ...."

This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.

Line: 3 Column: 16 - 6
"...TYPE html> <html> <..."

Errors

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

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"... <a class="nav-link white" href="https://www.rsna.org/en/about" target=""> ..." Line: 146 Column: 17 - 97
"... <a class="nav-link white" href="https://www.rsna.org/en/re-foundation" target=""> ..." Line: 180 Column: 9 - 94
"... <a class="l2-menu-link" href="https://www.rsna.org/en/membership/join-rsna" target=""> ..." Line: 186 Column: 9 - 129
"...> <a class="l3-menu-link" href="https://www.rsna.org/en/membership/join-rsna/discounted-dues-eligible-countries" target=""> ..." Line: 191 Column: 9 - 120
"...> <a class="l3-menu-link" href="https://www.rsna.org/en/membership/join-rsna/early-career-reduced-dues" target=""> ..." Line: 199 Column: 9 - 111
"... <a class="l2-menu-link" href="https://www.rsna.org/en/membership/career-and-professionalism" target=""> ..." Line: 205 Column: 9 - 126
"...> <a class="l3-menu-link" href="https://www.rsna.org/en/membership/career-and-professionalism/career-connect" target=""> ..." Line: 213 Column: 9 - 115
"... <a class="l2-menu-link" href="https://www.rsna.org/en/membership/international-member-resources" target=""> ..." Line: 219 Column: 9 - 146
"...> <a class="l3-menu-link" href="https://www.rsna.org/en/membership/international-member-resources/international-day-of-radiology" target=""> ..." Line: 231 Column: 9 - 110
"... <a class="l2-menu-link" href="https://www.rsna.org/en/membership/involvement-opportunities" target=""> ..." Line: 237 Column: 9 - 145
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"... <a class="l2-menu-link" href="https://www.rsna.org/en/membership/manage-your-account" target=""> ..." Line: 251 Column: 9 - 136
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"... <a class="l2-menu-link" href="https://www.rsna.org/en/membership/membership-faqs" target=""> ..." Line: 311 Column: 9 - 113
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"... <a class="l2-menu-link" href="https://www.rsna.org/en/annual-meeting/abstract-submission" target=""> ..." Line: 372 Column: 9 - 114
"... <a class="l2-menu-link" href="https://www.rsna.org/en/annual-meeting/preparing-for-the-meeting" target=""> ..." Line: 378 Column: 9 - 130
"...> <a class="l3-menu-link" href="https://www.rsna.org/en/annual-meeting/preparing-for-the-meeting/onsite-services" target=""> ..." Line: 383 Column: 9 - 128
"...> <a class="l3-menu-link" href="https://www.rsna.org/en/annual-meeting/preparing-for-the-meeting/about-chicago" target=""> ..." Line: 388 Column: 9 - 125
"...> <a class="l3-menu-link" href="https://www.rsna.org/en/annual-meeting/preparing-for-the-meeting/5k-fun-run" target=""> ..." Line: 396 Column: 9 - 113
"... <a class="l2-menu-link" href="https://www.rsna.org/en/annual-meeting/future-and-past-meetings" target=""> ..." Line: 496 Column: 9 - 110
"... <a class="l2-menu-link" href="https://www.rsna.org/en/journals/radiology/legacy-collection" target=""> ..." Line: 503 Column: 9 - 109
"... <a class="l2-menu-link" href="https://www.rsna.org/en/journals/radiology/radiology-select" target=""> ..." Line: 510 Column: 9 - 117
"... <a class="l2-menu-link" href="https://www.rsna.org/en/journals/radiology/alexander-margulis-award" target=""> ..." Line: 517 Column: 9 - 104
"... <a class="l2-menu-link" href="https://www.rsna.org/en/journals/editorial-fellowships" target=""> ..." Line: 523 Column: 9 - 121
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"... <a class="l2-menu-link" href="https://www.rsna.org/en/journals/permissions-and-policies" target=""> ..." Line: 584 Column: 9 - 112
"... <a class="l2-menu-link" href="https://www.rsna.org/en/education/continuing-medical-education" target=""> ..." Line: 591 Column: 9 - 109
"... <a class="l2-menu-link" href="https://www.rsna.org/en/education/ai-resources-and-training" target=""> ..." Line: 597 Column: 9 - 128
"...> <a class="l3-menu-link" href="https://www.rsna.org/en/education/ai-resources-and-training/ai-image-challenge" target=""> ..." Line: 602 Column: 9 - 118
"...> <a class="l3-menu-link" href="https://www.rsna.org/en/education/ai-resources-and-training/webinars" target=""> ..." Line: 610 Column: 9 - 116
"... <a class="l2-menu-link" href="https://www.rsna.org/en/education/professionalism-and-quality-care" target=""> ..." Line: 616 Column: 9 - 149
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"... <a class="l2-menu-link" href="https://www.rsna.org/en/education/education-awards" target=""> ..." Line: 635 Column: 9 - 123
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"...> <a class="l3-menu-link" href="https://www.rsna.org/en/education/education-awards/outstanding-educator-awards" target=""> ..." Line: 652 Column: 9 - 101
"... <a class="l2-menu-link" href="https://www.rsna.org/en/education/trainee-resources" target=""> ..." Line: 658 Column: 9 - 117
"...> <a class="l3-menu-link" href="https://www.rsna.org/en/education/trainee-resources/physics-modules" target=""> ..." Line: 663 Column: 9 - 152
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"...> <a class="l3-menu-link" href="https://www.rsna.org/en/education/trainee-resources/resident-and-fellow-symposium" target=""> ..." Line: 676 Column: 9 - 102
"... <a class="l2-menu-link" href="https://www.rsna.org/en/education/educator-resources" target=""> ..." Line: 682 Column: 9 - 117
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"...> <a class="l3-menu-link" href="https://www.rsna.org/en/education/educator-resources/patient-centered-care-learning-set" target=""> ..." Line: 692 Column: 9 - 146
"...> <a class="l3-menu-link" href="https://www.rsna.org/en/education/educator-resources/derek-harwood-nash-international-fellowship" target=""> ..." Line: 700 Column: 9 - 124
"... <a class="l2-menu-link" href="https://www.rsna.org/en/education/international-visiting-professor-program" target=""> ..." Line: 707 Column: 9 - 119
"... <a class="l2-menu-link" href="https://www.rsna.org/en/education/regional-meetings-spotlight-courses" target=""> ..." Line: 755 Column: 9 - 104
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"...> <a class="l3-menu-link" href="https://www.rsna.org/en/research/funding-opportunities/education-grants" target=""> ..." Line: 766 Column: 9 - 120
"...> <a class="l3-menu-link" href="https://www.rsna.org/en/research/funding-opportunities/research-grants" target=""> ..." Line: 771 Column: 9 - 129
"...> <a class="l3-menu-link" href="https://www.rsna.org/en/research/funding-opportunities/application-process-faqs" target=""> ..." Line: 776 Column: 9 - 128
"...> <a class="l3-menu-link" href="https://www.rsna.org/en/research/funding-opportunities/grant-writing-resources" target=""> ..." Line: 784 Column: 9 - 110
"... <a class="l2-menu-link" href="https://www.rsna.org/en/research/research-development-guides" target=""> ..." Line: 791 Column: 9 - 105
"... <a class="l2-menu-link" href="https://www.rsna.org/en/research/imaging-research-tools" target=""> ..." Line: 802 Column: 9 - 98
"... <a class="l2-menu-link" href="https://www.rsna.org/en/research/research-awards" target=""> ..." Line: 809 Column: 9 - 123
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"...> <a class="l3-menu-link" href="https://www.rsna.org/en/practice-tools/quality-improvement/quality-improvement-resources" target=""> ..." Line: 908 Column: 9 - 113
"... <a class="l2-menu-link" href="https://www.rsna.org/en/practice-tools/data-tools-and-standards" target=""> ..." Line: 914 Column: 9 - 143
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Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

Line: 2291 Column: 9 - 15
"...> <style> ...." Line: 4398 Column: 1 - 23
"... hero --> <style type="text/css"> ...."

Duplicate ID “_Group_”.

Line: 2711 Column: 1 - 42
"...group-1"> <g id="_Group_" data-name="&lt;Group&gt;"> <path..." Line: 4093 Column: 1 - 16
"...ath> </g> <g id="_Group_"> <circ..."

Duplicate ID “_Group_2”.

Line: 2714 Column: 1 - 43
"...ath> </g> <g id="_Group_2" data-name="&lt;Group&gt;"> <poly..."

Duplicate ID “_Group_3”.

Line: 2739 Column: 1 - 43
"...group-2"> <g id="_Group_3" data-name="&lt;Group&gt;"> <line..."

Duplicate ID “_Group_4”.

Line: 2802 Column: 1 - 43
"...group-3"> <g id="_Group_4" data-name="&lt;Group&gt;"> <poly..."

Duplicate ID “_Group_5”.

Line: 2805 Column: 1 - 43
"...ine> </g> <g id="_Group_5" data-name="&lt;Group&gt;"> <line..."

Duplicate ID “_Group_6”.

Line: 2808 Column: 1 - 43
"...ine> </g> <g id="_Group_6" data-name="&lt;Group&gt;"> <line..."

Duplicate ID “_Group_7”.

Line: 2810 Column: 1 - 43
"..."></line> <g id="_Group_7" data-name="&lt;Group&gt;"> <path..."

Duplicate ID “_Group_8”.

Line: 2814 Column: 1 - 43
"...</g> </g> <g id="_Group_8" data-name="&lt;Group&gt;"> <circ..."

Duplicate ID “_Path_”.

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"..._Group_"> <circle id="_Path_" class="st2" cx="368" cy="542.3" r="39.2"></circ..."

Bad value “/-/media/Images/RSNA/News articles/2019/February/future-of-thoracic-featured” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 4302 Column: 60 - 188
"...adiology"><img alt="The Future of Thoracic Radiology" src="/-/media/Images/RSNA/News articles/2019/February/future-of-thoracic-featured" /></a> <..."

Bad value “/-/media/Images/RSNA/News articles/2019/February/Just-Culture-Feature” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

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"...ckground"><img alt="Just Culture: Balancing Accountability with Quality" src="/-/media/Images/RSNA/News articles/2019/February/Just-Culture-Feature" /></a> <..."

Bad value “/-/media/Images/RSNA/News articles/2019/February/chest800x500” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 4321 Column: 56 - 192
"...-Failure"><img alt="Deep Learning Model Visualizes Congestive Heart Failure" src="/-/media/Images/RSNA/News articles/2019/February/chest800x500" /></a> <..."

Bad value “/-/media/Images/RSNA/News articles/2019/February/MicrobubbleAHCC-feature.ashx” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Line: 4328 Column: 44 - 153
"...obubbles"><img alt="Microbubbles" src="/-/media/Images/RSNA/News articles/2019/February/MicrobubbleAHCC-feature.ashx" /></a> <..."

The element “button” must not appear as a descendant of the “a” element.

Line: 4337 Column: 17 - 58
"...f="/news"><button class="btn-small btn-primary btn">View N..." Line: 4437 Column: 33 - 74
"...oin-rsna"><button class="btn-small btn-primary btn">Join</..." Line: 4444 Column: 27 - 68
"...-meeting"><button class="btn-small btn-primary btn">Regist..." Line: 4451 Column: 26 - 67
"...undation"><button class="btn-small btn-primary btn">Give</..."

Start tag “a” seen but an element of the same type was already open.

Line: 4531 Column: 1 - 61
"...i>&nbsp; <a href="https://www.instagram.com/rsnagram" target="_blank"><i cla..." Line: 4532 Column: 1 - 63
"...i>&nbsp; <a href="http://www.linkedin.com/company/rsna" target="_blank"><i cla..." Line: 4533 Column: 1 - 58
"...i>&nbsp; <a href="http://www.youtube.com/rsnatube" target="_blank"><i cla..."

Stray end tag “a”.

Line: 4534 Column: 5 - 8
"...></i> </a></a></a></..." Line: 4534 Column: 9 - 12
"...> </a></a></a></a> ..." Line: 4534 Column: 13 - 16
"...a></a></a></a> ..."

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rsna.org 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.


rsna.org 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.