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What is Sitemap XML?

An XML file that lists all important URLs on a website, helping search engines discover and crawl content efficiently.

A sitemap.xml file provides search engines with a roadmap of your website's content. Each URL entry can include last modification date (lastmod), change frequency (changefreq), and relative priority (priority 0.0-1.0). Sitemap indexes reference multiple sitemap files for large sites (50,000 URL limit per file). Dynamic sitemaps are generated programmatically from database content โ€” listing all product pages, blog posts, category pages, and static pages. Submit sitemaps to search engines via Google Search Console and Bing Webmaster Tools, or reference them in robots.txt. Regular sitemap updates help search engines discover new content quickly and understand site structure.

Related Terms

Brotli Compression
A modern compression algorithm developed by Google that achieves better compression ratios than Gzip for web content delivery.
WebSocket
A communication protocol that enables full-duplex, real-time data exchange between a browser and server over a single connection.
JSON Schema
A vocabulary for validating the structure and content of JSON data, ensuring API requests and responses conform to expected formats.
Static Site Generator (SSG)
A tool that generates a complete static HTML website from templates and content at build time, requiring no server-side processing.
Responsive Design
A web design approach that makes web pages render well on all screen sizes using flexible layouts and media queries.
DOM (Document Object Model)
A programming interface for HTML documents that represents the page structure as a tree of objects that can be manipulated with JavaScript.
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