utilzilla.

Index Check

Check a sitemap against supplied crawler rules.

Validate sitemap XML and see which listed URLs the supplied robots.txt rules block.

Running this tool sends your inputs to UtilZilla on Vercel for this check. Inputs are not saved by the tool. Do not submit secrets or payment-card data.

Static checks only · up to 512 KiB per input and 5,000 URLs · no crawl or indexing guarantee.

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About Index Check

Index Check sends the supplied sitemap, robots.txt, site origin, and crawler name to UtilZilla only when you run the check. It performs static validation without fetching URLs, checking status codes, or contacting search engines.

Frequently Asked Questions

When you run a check or request a calendar file. Inputs are sent to the UtilZilla server for that request and are not saved by this tool.

Static checks only · up to 512 KiB per input and 5,000 URLs · no crawl or indexing guarantee.