| Server error (5xx) | Checks that explain it: Response other than 200 |
| Redirect error | Checks that explain it: Redirect chain |
| URL blocked by robots.txt | Our guide · Checks that explain it: Sitemap URLs blocked by robots.txt, Internal links to pages blocked by robots.txt |
| URL marked 'noindex' | Checks that explain it: Sitemap lists pages that should not be there, meta robots noindex, X-Robots-Tag noindex header, Page with traffic, without a canonical or with noindex |
| Soft 404 | No Trakis check finds its cause; Google’s help explains it. |
| Blocked due to unauthorized request (401) | Checks that explain it: Response other than 200 |
| Not found (404) | Checks that explain it: Response other than 200, Sitemap lists pages that should not be there, Internal links to dead pages |
| Blocked due to access forbidden (403) | Checks that explain it: Response other than 200 |
| URL blocked due to other 4xx issue | Checks that explain it: Response other than 200 |
| Crawled - currently not indexed | No Trakis check finds its cause; Google’s help explains it. |
| Discovered - currently not indexed | No Trakis check finds its cause; Google’s help explains it. |
| Alternate page with proper canonical tag | Our guide · Checks that explain it: URL with session parameters, Sitemap lists pages that should not be there, Canonical to another page, Relative canonical |
| Duplicate without user-selected canonical | Our guide · Checks that explain it: URL with session parameters, The site is published on two addresses, http:// serves the site instead of redirecting to https://, Sitemap lists pages that should not be there, Canonical missing, Relative canonical, The domain is a mirror of another domain, Pages that repeat each other’s text |
| Duplicate, Google chose different canonical than user | Checks that explain it: Canonical to another page |
| Page with redirect | Checks that explain it: The site is published on two addresses, http:// serves the site instead of redirecting to https://, Sitemap lists pages that should not be there, Internal links written to another address of the site |