Error reference

Error count: 48

Page Errors Link Errors Link Category Description
(from) LinkTargetPageStatusError 10000-broken-link Missing Resources A page with a link whose href attribute points to a missing page
LinkTargetIdMissing 10001-broken-anchor-same-page Missing Resources A page with a link whose href attribute points to a missing anchor on the same page
10002-broken-image Missing Resources An image whose src= attribute points to a missing image path
10003-broken-stylesheet Missing Resources A page that imports a stylesheet that doesn't exist
10004-broken-script Missing Resources A page that imports a script that doesn't exist
10005-broken-favicon Missing Resources A page that imports a favicon that doesn't exist
10006-broken-rss-feed Missing Resources A page that defines an RSS feed that doesn't exist
LinkTargetIdMissing 10007-broken-anchor-different-page Missing Resources A page with a link whose href attribute points to a missing anchor on a different page
10008-link-missing-trailing-slash Missing Resources link to a page in a directory that doesn't include the trailing slash
10009-invalid-link Missing Resources A page with a link that is completely invalid
10010-broken-canonical-link Missing Resources A page with a broken canonical URL
LinkToRedirect 20000-permanent-redirect Redirects A page that responds with a redirect to another page with status code 301
LinkToRedirect 20001-temporary-redirect Redirects A page that responds with a redirect to another page with status code 302
UnresolvedRedirect LinkToRedirect 20002-infinite-redirect Redirects A page that infinitely redirects
LinkTargetPageMissing 20003-infinite-filters Redirects A page that has never-repeating filter links
LinkToRedirect(40004) LinkTargetPageStatusError(404) 20004-redirect-to-error Redirects A page that responds with a redirect to another page with status code 404
UnresolvedRedirect LinkToRedirect 20005-redirect-loop Redirects A page that redirects to itself, causing a redirect loop
30000-insecure-link Security A link with the target="_blank" attribute but with no rel="noopener" attribute
30001-mixed-resources Security A page served over https:// that loads resources served over http://
LinkTargetPageStatusError(400) 40000-bad-request HTTP Errors A page that responds with 400 status code
LinkTargetPageStatusError(401) 40001-unauthorized HTTP Errors A page that responds with 401 status code
LinkTargetPageStatusError(403) 40002-forbidden HTTP Errors A page that responds with 403 status code
LinkTargetPageStatusError(500) 40003-internal-server-error HTTP Errors A page that responds with 500 status code
LinkTargetPageStatusError(404) 40004-not-found HTTP Errors A page that responds with 404 status code
LinkTargetPageStatusError(503) 40005-service-unavailable HTTP Errors A page that responds with 503 status code
LinkTargetPageStatusError(504) 40006-gateway-timeout HTTP Errors A page that responds with 504 status code
50000-page-load-1-second Performance A page that takes 1 second to load
50001-page-load-2-seconds Performance A page that takes 2 seconds to load
50002-page-load-3-seconds Performance A page that takes 3 seconds to load
50003-page-load-5-seconds Performance A page that takes 5 seconds to load
50004-page-load-10-seconds Performance A page that takes 10 seconds to load
50005-image-load-3-seconds Performance A page with an image that takes 3 seconds to load
60000-missing-title SEO A page with no title
60001-missing-description SEO A page with no description
60002-missing-viewport SEO A page with no viewport
60003-missing-charset SEO A page with no charset
60004-missing-doctype SEO A page with no DOCTYPE
60005-long-title SEO A page with a very long title.
60006-long-description SEO A page with an excessively long description.
60007-not-in-sitemap SEO A page that doesn't appear in sitemap.xml
60008-blocked-by-robots-wildcard SEO A page blocked by a robots.txt wildcard rule
60009-blocked-by-robots-useragent SEO A page blocked by a robots.txt user agent rule
DuplicatedId 70000-duplicate-element-ids Accessibility A page with elements with duplicate id= attributes
70001-missing-html-lang Accessibility A page whose html element has no lang= attribute
70002-improper-headings Accessibility A page with incorrect use of heading elements
70003-missing-image-alt-attribute Accessibility A page with an image with no alt= attribute
70004-form-with-unconnected-labels Accessibility A page with a form with unconnected labels
70005-table-with-no-header-row Accessibility A page with a table with no header row

Non-error Pages

Non-error page count: 9

Link Description
100-page A page with no errors
101-page-with-image A page with an image with an alt= attribute
102-page-with-form A page with a labeled form
103-page-with-table A page with a labeled form
104-page-with-external-link-blocked-by-robots-txt Page with external link blocked by robots.txt
106-page-with-link-to-directory A page with a link to a directory
108-page-with-link-to-another-directory A page with a link to another directory
109-page-with-canonical A page that has a relative canonical URL defined.
110-page-with-alternate A page that has a relative alternate URL defined that is linked nowhere else.