What a sitemap does
It gives search engines a list of your important URLs, often with the date each one last changed. This helps them discover new or updated pages faster, especially on large sites or pages with few internal links.
Size limits
A single sitemap file can hold up to 50,000 URLs or 50MB uncompressed. Larger sites split their URLs across several sitemaps and list them in a sitemap index file.
Does it guarantee indexing?
No. A sitemap is a hint, not an instruction. Search engines still decide whether each page is worth indexing based on its quality and how it fits the rest of the site.
Why Sitemap matters
A clean sitemap helps search engines find your important pages quickly and spend less effort on ones that don't matter. It's also a useful check: pages in your sitemap that aren't indexed point to problems worth fixing.
A sitemap that tells the truth
An online store's sitemap listed 40,000 URLs, including filtered category pages, out-of-stock products and redirected links. Trimming it to the 6,000 pages that should rank, and keeping it updated automatically, made indexing reports far easier to read and act on.
Common mistakes
Listing pages you don't want indexed
Redirects, error pages, duplicates and noindexed pages don't belong in a sitemap. They send mixed signals.
Letting it go stale
A sitemap that misses new pages or keeps deleted ones loses its value. Generate it automatically from your site.
Never submitting it
Submit your sitemap in Google Search Console and reference it in robots.txt so search engines can find it.
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