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Diagnostics

This tab shows diagnostic information for the scan.

PriorityDescription and URLGuideline and Line NumberCount

Priority 1

1 issues on 1 pages

CriticalThis link may be broken. The target page has taken a long time to load and timed out. Broken Link 1 pages
This is often a temporary problem, but if the problem persists it indicates network problems or an issue on your web server.
Broken link: http://www.ercim.org/ 900 Timed Out

https://www.w3.org/WAI/demos/bad/before/home.html

Line 350 368 526 567

Informative

These messages are for information only and do not indicate errors or conformance problems.

InformationCaching configuration for HTML pages. 7 pages
Cache-Control: public, s-maxage=2592001CDN: Cloudflare, cf-cache-status:

https://www.w3.org/WAI/demos/bad/before/annotated/home.html

Line 1

Cache-Control: public, s-maxage=2592001CDN: Cloudflare, cf-cache-status:

https://www.w3.org/WAI/demos/bad/before/home.html

Line 1

Cache-Control: public, s-maxage=2592001CDN: Cloudflare, cf-cache-status:

https://www.w3.org/WAI/demos/bad/before/news.html

Line 1

Cache-Control: public, s-maxage=2592001CDN: Cloudflare, cf-cache-status:

https://www.w3.org/WAI/demos/bad/before/reports/home.html

Line 1

This issue was found on another 3 pages. The trial version is limited to showing issues on 4 pages.
InformationServer information. 1 pages
Date: Sun, 13 Sep 2026 06:56:18 GMTServer: cloudflare

https://www.w3.org/WAI/demos/bad/before/home.html

Line 1

InformationStart page link counts. 1 pages
Links out: 165 hyperlinks.
CSS files: 2 files.
Image files: 79 files.

https://www.w3.org/WAI/demos/bad/before/home.html

Line 1

InformationThese links have unexpected status codes. 1 pages
Broken link: http://www.ercim.org/
Status: 900 Timed Out

https://www.w3.org/WAI/demos/bad/before/home.html

Line 350 368 526 567

Expand all 5 issues