An XML sitemap lists URLs that you want to suggest to search engines for discovery. Sitemaps can be especially useful for large websites, new websites, or sites with complex internal structures. Including a URL in a sitemap does not guarantee that it will be crawled or indexed.
Key Concepts
Include canonical URLs that are accessible and return successful responses. Avoid redirecting URLs, error pages, blocked URLs, and pages marked noindex. The lastmod value should reflect a meaningful content update rather than an arbitrary timestamp.
Practical Steps
Check that the sitemap is accessible and uses valid XML. Submit it through webmaster tools to monitor processing and errors. A sitemap complements internal linking; it does not replace it. Make sure important pages can also be found through navigation and contextual links.