Majestic SEO is a tool that maps the link structure of the internet. It allows users to explore backlinks, view a site's backlink history, check the links of neighboring sites, find linking clusters, and understand trust and citation metrics. The training session objectives were to familiarize users with Majestic's basic functions, understand how to explore backlinks, and interpret the link data. Key tools demonstrated included the Site Explorer, Backlink History, Neighbourhood Checker, Clique Hunter, and the new Trust and Citation Flow metrics. Tips included tracking top backlinks, identifying a site's top pages, and focusing on lower linked pages.