Free Sitemap Validator — Check Errors, Index Faster
Confirm your sitemap is clean, valid, and ready for search engines. Catch broken XML, missing tags, and structure issues — then fix them fast. The tool sits up top so you can validate first and read guidance below. Free, fast, and no sign-up.
Instant validation
Scan your sitemap for syntax errors and bad tags in seconds.
Type detection
See whether your file is a standard sitemap or a sitemap index.
URL count
Get the total number of URLs found in your sitemap at a glance.
No setup required
Use it right in the browser — no account, no install, no waiting.
How it works
- Paste your full sitemap URL into the field above.
- Click Validate Sitemap and wait a moment.
- Read the type, total URLs, and raw XML in the report panel.
- Fix any errors, then re-validate to confirm everything is correct.
Best practices
- Update your sitemap as you add or remove pages.
- Use canonical URLs only.
- Keep URLs at a 200 OK status.
- Exclude noindex and duplicate pages.
- Split large sitemaps over 50,000 URLs.
- Validate after every major site change.
Frequently asked questions
What is the main goal of a sitemap?
A sitemap helps search engines understand your site structure and index your content faster.
Why should I validate my sitemap?
Validation confirms your sitemap meets XML standards, which stops errors during indexing.
What happens if my sitemap has errors?
Search engines may ignore a broken sitemap or skip certain URLs, which lowers your visibility.
Can I check .gz files?
Yes. The Sitemap Validator works with .xml, .txt, and .gz files.
How often should I check my sitemap?
Whenever you change content, redesign your site, or notice indexing problems.
Does validating my sitemap directly help SEO?
Not on its own. But it makes sure all your pages can be indexed, which supports your SEO.
Can it validate sitemap index files?
Yes. It checks sitemap index files that point to multiple sitemaps.
How big can a sitemap be?
Google allows up to 50MB or 50,000 URLs per sitemap. Split larger files into multiple sitemaps.
For related SEO work, try the Sitemap Generator or Robots.txt Tester.