Validate an XML sitemap or sitemap index and identify structural problems before submitting it to search engines. Review URL counts, duplicates, invalid URLs and other sitemap issues in a clear report.
Use this after generating or publishing a sitemap. It checks the sitemap document itself; it does not claim that every listed URL is indexed by a search engine.
SEO decisions are strongest when technical checks are reviewed together with page quality, search intent and site structure. Use the result here as evidence for the specific task, then verify important changes on the live website.
It checks sitemap or sitemap-index structure and reports practical issues such as malformed entries, URL counts, duplicates and invalid URL values that can make a sitemap harder to use.
Yes. XML can be syntactically valid while listing redirects, errors, duplicates or URLs you do not want indexed. Structural validation and URL-quality review are separate concerns.
Search engines support large sitemap files subject to protocol limits, and very large sites can use sitemap index files to split URLs across multiple sitemaps. Follow the current requirements of the search engines you target.