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Sitemap Checker (Google) — Offline Validator

Paste your sitemap.xml (or sitemap index) to check the structure and common Google-compatible rules: valid XML, required tags, URL quality, date formats, duplicates, and basic size/URL limits. This runs fully offline in your browser.

Category: SEO · URL: /tools/sitemap-checker-google.html

How to use

How to use

  1. Paste your sitemap XML into the input box (either <urlset> or <sitemapindex>).
  2. Keep Strict Google checks enabled if you want limit warnings (URL count and uncompressed size).
  3. Click Check sitemap to get a compact report of errors/warnings.
  4. Fix issues, then re-check until errors are cleared.
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Secondary intents covered: Validate a sitemap.xml before submitting it to Google Search Console, Find malformed XML and missing required sitemap tags, Detect invalid or non-absolute <loc> URLs, Check lastmod, changefreq, and priority formatting, Identify duplicate URLs and questionable URL patterns (fragments, spaces, http), Verify sitemap type (urlset vs sitemapindex) and entry counts, Estimate sitemap uncompressed size against common limits, Create a quick shareable report for dev/SEO review

FAQ

Is this a Google Search Console sitemap test?

No. This tool validates sitemap XML structure and common Google-compatible rules offline; it doesn’t submit or fetch anything.

What sitemap types does it support?

Standard <urlset> sitemaps and <sitemapindex> indexes.

Why does it warn about lastmod?

Google expects ISO 8601 formatting. Wrong formats can be ignored or cause parsing issues.

Does a valid sitemap guarantee indexing in Google?

No. A sitemap helps discovery, but indexing depends on crawlability, quality, canonicalization, and robots/noindex signals.

What are the common Google limits for sitemaps?

Common limits are 50,000 URLs per sitemap and about 50 MB uncompressed; use a sitemap index when you exceed them.

Why is http:// flagged?

It’s a warning because most sites prefer HTTPS. If your canonical URLs are HTTP, keep it consistent and ensure redirects are correct.

Should URLs with # fragments be in a sitemap?

Usually no—fragments aren’t separate crawl targets. Use clean URLs without #.