Site-Maps
A SITE-MAP is a structured file designed to provide search engines with a roadmap of a website's content. By utilizing a SITE-MAP, webmasters can ensure that SEARCH-ENGINE services like GOOGLE and BING can find, crawl, and index all relevant pages efficiently. This is particularly crucial for large websites or those with complex navigation structures.
The most widely adopted format is the XML-SITEMAP, which adheres to a specific protocol defined at Sitemaps.org. This protocol allows for the inclusion of METADATA, such as the last modified date, change frequency, and priority of a URL relative to other pages on the site. Alternatively, an HTML-SITEMAP serves as a navigational aid for human users, helping them locate content across the WEB-ARCHITECTURE.
Best practices for SEO suggest that the location of the sitemap should be specified within the ROBOTS-TXT file. Detailed implementation guides can be found via Google Search Central. Proper implementation of sitemaps helps a CRAWLER understand the hierarchy and importance of different sections of a domain.