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XML Sitemap Validator

Validate an XML sitemap: format, duplicates, protocol, dates, size limits — plus a live status check of sample URLs.

About this tool

A good sitemap lists only canonical, indexable URLs that return 200. This validator checks the structure, finds duplicates and invalid dates, and tests a random sample of URLs live.

How to use the Sitemap Validator

  1. Enter your domain or sitemap URL.
  2. Review issues.
  3. Fix URLs that error or redirect.
  4. Submit the sitemap in Google Search Console.

Frequently asked questions

How many URLs can a sitemap have?

Up to 50,000 URLs or 50 MB uncompressed. Use a sitemap index for more.

Does Google use priority and changefreq?

No, Google ignores both. lastmod is useful when accurate.

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