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Sitemap Checker Online

Paste your sitemap.xml to validate its structure and common SEO fields. This checker runs in your browser (no network calls), so it’s fast and safe for quick QA.

Category: SEO · URL: /tools/sitemap-checker-online.html
Sitemap XML
Tip: paste the file contents, not the URL.
Output will appear here.
Privacy: runs locally in your browser. No uploads, no tracking scripts.

How to use

Use it when you have the sitemap XML content (from your CMS, build output, or server file) and want a quick sanity check.

  1. Paste your sitemap XML into the input.
  2. (Optional) Enter a Base URL to resolve relative <loc> values.
  3. Click Check Sitemap to see counts and issues.
  4. Copy or download the report if you need to share it.
Keywords this page targets (natural cluster): sitemap checker online, check sitemap xml online, validate sitemap.xml, sitemap validator, sitemap urlset checker, sitemapindex checker, xml sitemap validation, sitemap lastmod validator, check sitemap duplicates, sitemap url validator, is my sitemap valid, sitemap structure checker, sitemap changefreq priority check, sitemap loc missing fix, sitemap parse error, sitemap size and url count, validate relative urls in sitemap, check https urls in sitemap, sitemap troubleshooting tool, sitemap quality check
Secondary intents covered: Validate if a pasted sitemap XML is well-formed and readable, Confirm whether the sitemap is urlset or sitemapindex, Detect missing <loc> values and other required elements, Find duplicate URLs within a sitemap, Check <lastmod> formatting and common sitemap field validity, Resolve relative <loc> values using a provided base URL, Generate a compact report to share with a dev/SEO teammate, Quickly spot common mistakes before submitting to Search Console

FAQ

Does this sitemap checker fetch my sitemap URL?

No. It validates only the XML you paste into the input (no network requests).

What sitemap types are supported?

It supports <urlset> sitemaps and <sitemapindex> indexes.

What does it validate in each entry?

It checks XML parsing, required <loc>, URL format, duplicates, and common fields like <lastmod>, <changefreq>, and <priority>.

How do I handle relative URLs in <loc>?

Enter a Base URL (e.g., https://example.com/) and the tool will resolve relative <loc> values.

Is an invalid <lastmod> a hard error?

It’s flagged because search engines expect ISO 8601 formatting; fix it to avoid ambiguity.

Will it verify that URLs return 200 status codes?

No. That requires fetching URLs; this tool focuses on offline XML and field validation.

Why might Google still reject a sitemap that looks valid here?

Google can reject sitemaps for fetch/access issues, blocked URLs, unsupported content types, or server errors—use a Google-focused validator and Search Console logs.