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This issue is triggered when an invalid Sitemap format is used in Site Audit.

A Sitemap helps point our crawlers to your most essential pages. Providing a valid format Sitemap also allows Site Audit to crawl your site efficiently.

<b>Site Audit has been optimized to process and analyze XML Sitemaps.</b>

For a Sitemap to be considered valid, it must be presented in an XML format. Currently, <i>Site Audit does not support any other Sitemap formats</i>.

<a href="https://help.ahrefs.com/en/articles/5372833-how-to-set-site-audit-to-crawl-only-pages-within-a-sitemap">How to set Site Audit to crawl only pages within a sitemap</a>

<a href="https://help.ahrefs.com/en/articles/2754358-what-does-the-noindex-page-in-sitemap-issue-in-site-audit-mean">What does the ‘Noindex page in sitemap’ issue in Site Audit mean?</a>

- <a href="https://help.ahrefs.com/en/articles/5372833-how-to-set-site-audit-to-crawl-only-pages-within-a-sitemap">How to set Site Audit to crawl only pages within a sitemap</a>
- <a href="https://help.ahrefs.com/en/articles/2754358-what-does-the-noindex-page-in-sitemap-issue-in-site-audit-mean">What does the ‘Noindex page in sitemap’ issue in Site Audit mean?</a>

Find out how to solve the ‘invalid Sitemap format’ warning in Site Audit

What does the "Format of the following Sitemaps is invalid" warning in Site Audit mean?

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