The document provides tips and tricks for WordPress, including how to block core files from search engines using robots.txt, scan theme files for malicious code using TAC, fix broken links using a plugin, back up before updating, create and use custom menus and widgets, enable multisite, use custom headers and featured images on pages, use WordPress as a CMS, change default header sizes and navigation colors in themes, manage comments, deal with duplicate content issues, and highlights new features in WordPress version 3.1 like the admin bar and post formats.