Sitemaps10 rules onthe list of pages you hand to Google.
Whether files can be read, how listed pages behave, and whether dates are valid or plausible.
Sitemap files
- A sitemap cannot be fetched or readA declared sitemap answered with an HTTP error, or its contents could not be read as a sitemap.In the report: Sitemap fetch or parse error
- A sitemap is larger than the official limitA sitemap holds more than 50,000 addresses or more than 50 MB before compression.In the report: Sitemap exceeds an official limit
- A sitemap lists no pagesA sitemap was fetched and read, and it contains no addresses.In the report: Empty sitemap
Listed pages
- A listed address is blocked by robots.txtAn address listed in the sitemap is disallowed for Googlebot by robots.txt.In the report: Sitemap URL blocked by robots.txt
- A listed page asks to stay out of searchA page listed in the sitemap carries a noindex directive Google applies.In the report: Sitemap URL noindex
- A listed page returns 404 or 410A page listed in the sitemap returns 404 or 410.In the report: Sitemap URL non-200
- A listed address redirectsAn address listed in the sitemap redirects before its final answer.In the report: Sitemap URL redirects
- A listed page names another page as the main oneA page listed in the sitemap declares a different address as its canonical.In the report: Sitemap URL canonicalized away
Update dates
- A sitemap date is not a valid dateA lastmod value in the sitemap is not a real date written as YYYY-MM-DD, or as a full date and time with seconds and a time zone.In the report: Invalid sitemap lastmod
- A sitemap update date does not add upA lastmod value is in the future, or it moved while the page's text stayed the same, or the text changed while it did not.In the report: Implausible sitemap lastmod