Sitemaps and wireframes both represent website layouts, but they serve unique purposes. Wireframes represent rough visuals for web designers to create a functional site, like where to add buttons and menus. Search engine crawlers won’t be able to interpret a wireframe, and it’s typically only used in the development stages. Sitemaps usually come after the designers build the site. They categorize pages and establish a content hierarchy and provide that information to search engine bots.