# About pages These are all the About pages that Lagrange uses to display built-in or dynamically generated content. => about:blank A blank page. => about:bookmarks List of bookmarks. => about:bookmarks?created List of bookmarks with creation dates. => about:bookmarks?tags List of bookmarks that have at least one tag. => about:debug Runtime debug information: contents of currently open tabs, navigation history, environment variables, command line arguments, and configured MIME hooks. => about:feeds List of all entries from subscribed feeds. => about:help User manual. => about:lagrange Default home page with a large "Lagrange" ASCII art logo. => about:license Open source licenses. => about:version Release notes for each version.