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XML sitemaps: what Google reads, and the two fields it ignores

A sitemap tells Google which addresses you want crawled. Google's own guide is specific about what counts.

Author: HD4 min read

Table of contents
  1. Key takeaways
  2. What it is for
  3. What Google reads
  4. Common mistakes
  5. Check it
  6. See it on your own site
  7. Sources

What it is for#

A sitemap lists the addresses you want Google to know about. It helps most on large sites, new sites, and pages with few links pointing at them.

What Google reads#

  • Size: all formats limit one sitemap to 50MB uncompressed or 50,000 URLs.
  • Google ignores the priority and changefreq values.
  • Google uses lastmod if it is consistently and verifiably accurate, so only change it for a real update.

Common mistakes#

Listing redirected or noindex pages, and stamping every page with today's date.

Check it#

The site scan reads your sitemap and robots.txt and reports what is wrong with either.

See it on your own site#

The free website check reads a site you name and reports what holds its pages back, with no account and no card. It changes nothing on your site.

Run the free website check

Sources#