In more detail
One file may hold up to 50,000 URLs or 50 MB uncompressed; larger sites use an index of several sitemaps. List the sitemap's address in robots.txt.
An XML sitemap is a file listing a site's URLs, with optional last-modified dates, to help search engines find and crawl pages.
Last reviewed:
One file may hold up to 50,000 URLs or 50 MB uncompressed; larger sites use an index of several sitemaps. List the sitemap's address in robots.txt.