Sitemap checker
Validate a sitemap, count its URLs, and find duplicate, invalid, or unusual entries.
How to check an XML sitemap
Validate a sitemap or sitemap index and review a bounded sample of its URL entries.
Enter a website URL or the exact URL of an XML sitemap.
Click Check sitemap to validate its XML and inspect up to four child sitemaps.
Review duplicate, invalid, cross-host, and lastmod findings before updating the file.
Frequently asked questions
It checks that the response is a sitemap URL set or sitemap index, counts valid URL entries, and flags duplicates, malformed URLs, cross-host entries, and invalid or future lastmod values.
Yes. It lists the child-sitemap count and inspects up to four same-host child files. The report clearly states when a larger index was only partially checked.
No. A sitemap helps search engines discover preferred URLs, but it does not guarantee crawling or indexing. Search engines still evaluate each URL independently.
Use a valid date or date-time that reflects a meaningful page update. Avoid future dates and avoid changing every value automatically when the page content did not change.
The checker compares each URL hostname with the sitemap hostname. Cross-host sitemap setups can require separate verification, so review those entries and confirm they are intentional.
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