What are all the about: pages of Mozilla Firefox? [duplicate]
You can view all the Mozilla Firefox about: pages by typing this in the address bar:
about:about
You’ll be presented with a hyperlink to every usable about: page:
From Wikipedia: about URI scheme
about:about:
Shows all about links.
about:bloat:
Displays BloatView output (disabled in release builds). Superseded by about:memory on Gecko 1.9.2[6]
about:blocked:
Shows the malware protection page used when the browser identifies a page as not safe for viewing. Firefox 3+
about:addons:
Shows installed addons, plugins, themes, and provides an interface for installing new addons. Firefox 4+, SeaMonkey 2.1+
about:buildconfig:
Shows the arguments and options used to compile the build in use
about:cache:
Shows information about the Cache Service. Number of entries, location of cache, size of cache, etc. for both memory and disk cache.
about:cache?device=memory:
Shows individual entries in memory
about:cache?device=disk:
Shows individual entries on disk
about:cache?device=offline:
Shows individual entries for offline viewing. Gecko 1.9+
about:cache-entry:
Shows information about a cache entry. Used in about:cache links. Requires parameters.
about:certerror:
Shows the error page used when an SSL/TLS certificate is untrusted or otherwise invalid.
about:config:
Shows an interface for viewing and setting a wide variety of configuration variables, many of which are not otherwise accessible through the GUI (options panels)
about:crashes:
Shows details of crashes submitted by Mozilla's crash reporter. Firefox 3+, SeaMonkey 2.0+
about:credits:
Shows a list of all those who contributed to Mozilla
about:feeds:
Shows the page used when clicking the rss feed icon in the address bar.
about:home:
Shows the Firefox 4 default home page.
about:jetpack:
Shows an interface for viewing and setting the JetPack extension
about:license:
but with all occurrences of license used as a noun replaced with licence (see American and British English spelling differences). Not available in Firefox 4
about:logo:
Shows the logo used on the about: screen
about:memory:
Shows memory usage. Firefox 3.6+
about:mozilla:
Easter egg: Shows a verse from The Book of Mozilla
about:neterror:
Shows the error page used when the browser could not access the requested path.
about:newtab:
Shows a grid of your favorite and most-visited websites, Firefox 13+.
about:permissions:
Shows permissions for sites on Firefox 6.0a1.
about:plugins:
Shows installed, currently enabled plug-ins.
about:privatebrowsing:
Can be used to switch to private browsing mode, shows a message indicating that Firefox will not remember any history for the current session. Note: It does not show URI on the address bar.
about:rights:
Shows licensing information.
about:robots:
Easter egg, beginning with March 8, 2008 trunk builds. The title of a window contains a citation from The Day the Earth Stood Still.[7]
about:sessionrestore:
Shows an interface for viewing about last session
about:support:
Shows troubleshooting information. Firefox 3.6+, SeaMonkey 2.1+
about:sync-tabs:
Shows list of tabs from other computers. Requires enabled synchronisation.