XML Sitemap Validator | Sitemap Checker Online

Fetch and validate any XML sitemap - checks URL count, lastmod date format, changefreq values, priority range, and detects duplicate URLs. Supports sitemap index files. Designed specifically for developers and professionals, this free online seo runs entirely in your browser to process tasks quickly and securely. Enjoy unlimited usage with no data tracking and no registration required.

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Sitemap URL

Try:

XML Sitemap Quick Reference

Root element for a standard URL sitemap (max 50,000 URLs / 50 MB).

Root element for a sitemap index that links to multiple child sitemaps.

<loc>

Required. The canonical URL of the page. Must be a fully qualified URL.

Optional. ISO 8601 date the page was last modified (e.g., 2024-01-15).

Optional. Hint for crawl frequency: always, hourly, daily, weekly, monthly, yearly, never.

Optional. Relative importance 0.0–1.0. Default is 0.5. Does not affect ranking directly.

About XML Sitemap Validator

Fetch and validate any XML sitemap - checks structure, URL count, date formats, changefreq values, priority ranges, and detects duplicate URLs. Supports both standard URL sitemaps and sitemap index files.

Key Features

Validates both standard sitemaps (urlset) and sitemap index files
Checks URL count against the 50,000 URL limit per spec
Validates lastmod date format (ISO 8601)
Validates changefreq values and priority range (0.0–1.0)
Detects duplicate URLs
Shows coverage stats for optional fields (lastmod, changefreq, priority)
Lists child sitemaps from sitemap index files

Use Cases

Audit sitemaps before submitting to Google Search Console
Debug crawl issues caused by malformed sitemap XML
Check sitemap size and URL count after a site migration
Verify sitemap index structure for large multi-sitemap setups
Ongoing SEO health checks for content-heavy websites

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Privacy & Security

All processing happens locally in your browser. Your data never leaves your computer, ensuring complete privacy and security.

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Frequently asked questions

What is XML Sitemap Validator used for?

Fetch and validate any XML sitemap - checks URL count, lastmod date format, changefreq values, priority range, and detects duplicate URLs. Supports sitemap index files.

Is XML Sitemap Validator free to use?

Yes. XML Sitemap Validator is completely free with no usage limits, and there is no paid tier required to use it.

Do I need an account to use XML Sitemap Validator?

No. XML Sitemap Validator works immediately in your browser with no signup, login, or email address required.

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