sitemap.xml Validator

Validate a sitemap.xml online — XML errors, missing or non-absolute loc URLs, duplicates, bad lastmod/changefreq/priority values, 50,000 URL and 50 MB limits. Paste or fetch.

sitemap.xml content

<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
  <url>
    <loc>https://example.com/</loc>
    <lastmod>2026-01-15</lastmod>
    <priority>1.0</priority>
  </url>
  <url>
    <loc>https://example.com/about</loc>
    <changefreq>monthly</changefreq>
  </url>
</urlset>

XML urlset2 URLs0.3 KB

No issues found — the sitemap looks good.

About sitemap.xml Validator

Paste a sitemap and get instant feedback: malformed XML, missing or non-absolute <loc> URLs, duplicates, invalid lastmod/changefreq/priority values, missing namespace, the 50,000-URL and 50 MB limits, and URLs pointing outside the sitemap's own site. urlset, sitemapindex, plain-text lists and RSS/Atom feeds are all recognized.

Fetch a live sitemap either through your browser (fully local, but CORS blocks most sites) or through our server — the trade-off is disclosed before you use it. Validation itself always runs locally.