SEO

Sitemap.xml

By Paul Brock·Updated on 22-04-2026
TL;DR

A sitemap.xml is an XML file giving search engines a complete list of indexable URLs on a site, with metadata about freshness and priority.

A sitemap.xml is a standardised URL list helping crawlers efficiently discover site structure. For large or poorly-linked sites, a sitemap dramatically improves indexing. Submenus, deep detail pages and recently added content are presented explicitly to Google and Bing.

Example

A shop with 50,000 products uses split sitemaps (sitemap-products-1.xml, -2.xml) referenced via a sitemap-index file. Google crawls purposefully instead of by accident.

Frequently asked questions

Is a sitemap mandatory?

No, but strongly recommended. For sites under ~500 pages little need; for larger sites and news sites essential.

Related terms

robots.txtIndexingCrawl budgetHreflangCanonical tagGoogle Search Consolellms.txtOrphan pageMicrosoft CopilotSSL / HTTPS

Further reading

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