Does your website have a sitemap? A sitemap is a page on your site that lists all the other pages on the site, usually in a tree structure so that a user can easily navigate to any part of the site without rooting around through navigation (here is our sitemap). Aside from the usability service that a sitemap offers your site's human visitors, it also makes a nice place for search engine spiders to go and quickly understand the layout of a website and index all its pages in a fast and effective manner.