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How often should an XML sitemap be updated?

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Answer Summary

Update an XML sitemap whenever important indexable URLs or substantial page content changes; avoid refreshing it on a schedule when nothing has changed.

Your sitemap update frequency—also called sitemap change frequency—should match meaningful changes to your site. Update the XML sitemap when you add, remove, redirect, or substantially revise an indexable page; do not refresh an unchanged sitemap simply because time has passed.

When to update an XML sitemap

  • New indexable pages: Add the canonical URL when a new service page, product page, article, location page, or FAQ goes live.
  • Removed or redirected pages: Remove URLs that are deleted, redirected, or intentionally marked noindex.
  • Major content updates: Update the lastmod value only for a substantial, user-visible revision—not a typo correction or minor formatting edit.
  • Site migrations or URL changes: Publish an accurate sitemap after a domain migration, URL restructure, or large redesign.
  • Sitemap errors: Correct URLs that redirect, return errors, are blocked from crawling, or use a non-canonical version.

How often should different sites update?

An active publisher or e-commerce site may need an automatically generated sitemap that updates daily or whenever its content management system changes. A small business that adds a few pages per month can update at that pace. For a mostly evergreen site, review the sitemap every three to six months and update it immediately after any meaningful URL change.

The goal is accuracy, not activity. A sitemap helps search engines discover URLs, but it does not force immediate crawling or improve rankings on its own. Important pages should also be internally linked from relevant navigation, service pages, and related content.

Keep the sitemap clean

Include URLs you want search engines to index, usually the canonical version of each page. Exclude redirected, duplicate, blocked, and noindex URLs. After a major structural change, check Google Search Console for sitemap processing and indexing issues. For routine changes to a dynamic sitemap, search engines can generally find the updated file without repeated manual submission.

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