Developer Tools
Sitemap XML Validator
Paste sitemap XML to validate its structure and list the URLs it contains.
Paste your XML sitemap and instantly check it against the sitemap.org protocol. The validator flags missing required fields, malformed XML, invalid URLs, and common issues that could prevent search engines from crawling your sitemap correctly.
What It Validates
XML Structure
Checks well-formed XML and correct sitemap schema.
URL Format
Validates that all <loc> URLs are properly formed.
Date Format
Verifies <lastmod> dates are in W3C Datetime format.
Count & Limits
Warns if URL count exceeds the 50,000 URL sitemap limit.
How to Validate Your Sitemap
- Paste your sitemap XML into the input area.
- Click Validate to run the checks.
- Review errors and warnings in the results panel.
FAQ
What is a valid sitemap format?▾
A valid sitemap must be well-formed XML using the http://www.sitemaps.org/schemas/sitemap/0.9 namespace, with each URL in a <url> element containing at least a <loc> tag.
Can I validate a sitemap index file?▾
Yes — sitemap index files using <sitemapindex> are also supported.
Sitemap Best Practices
- Keep each sitemap under 50,000 URLs and 50MB uncompressed.
- Include <lastmod> dates to help search engines prioritize crawling.
- Submit your sitemap in Google Search Console after validating.
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