This document discusses the top 10 plugins that every website needs according to Christina Hills. It begins by noting there are over 54,000 plugins to choose from. The top plugins discussed are: Yoast SEO for search engine optimization, Duplicate Post for duplicating pages/posts, Quick Page/Post Redirect for redirects, Widget Options for hiding widgets, Search Exclude for excluding pages from site search, Gravity Forms for forms, Really Simple SSL for security, WordFence for security, backup plugins, and caching plugins like W3 Total Cache for speed. The document concludes with best practices for evaluating plugins and keeping them updated.