This error appears when your sitemap exists and responds correctly, but doesn't declare any URLs. Here's what it means and how to fix it so it serves its purpose.
Without URLs declared in the sitemap, Google depends entirely on organic crawling to discover your content. Pages that aren't discovered in time can't rank, which can directly affect the site's organic traffic.
Every time Google requests the sitemap and receives an empty response, it consumes part of its crawl budget without getting anything in return. That reduces the efficiency with which the search engine crawls the rest of the site.
An empty sitemap signals that the site's technical configuration has flaws. For Google, it's an indication that maintenance isn't being managed carefully, which can affect the trust it places in the site.
If this error showed up in your audit, here are the steps to leave it behind.
Before making any changes, understand what's causing the problem. Check whether sitemap generation is disabled in your CMS or SEO plugin, whether it's configured to include only one content type with no active posts, or whether something has broken the generation process.
Once the cause is identified, adjust the configuration so the sitemap includes all indexable URLs on your site. If you use an SEO plugin like Yoast or Rank Math, verify that all relevant content types are enabled and that the sitemap is generating correctly before continuing.
With the configuration corrected and the sitemap working, submit it from Google Search Console so Google processes it as soon as possible and starts crawling the URLs that were previously undeclared.
Audit your website for free and discover if this and other SEO errors are affecting your ranking.
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