This screen shot is taken from Firefox just type about: and below I want to show you a list with all Firefox about info, and some Easter eggs.
The first one is:
Displays BloatView output (disabled in release builds).
Here we are with:
Shows the malware protection page used when the browser identify some page as not safe for viewing. (Firefox 3-specific).
Shows the arguments and options used to compile the build in use
Shows information about the Cache Service. Number of entries, location of cache, size of cache, etc. for both memory and disk cache.
Shows individual entries in memory
Shows individual entries on disk
Shows individual entries for offline viewing. New to products based on Gecko 1.9 or later.
Shows information about a cache entry. Used in about:cache links. Requires parameters.
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)
Shows details of crashes submitted by Mozilla’s crash reporter (since Firefox 3).
Shows a list of all those who contributed to Mozilla
Shows the logo used on the about: screen
Shows the Mozilla Public License (and the Netscape Public License) for the piece of software. (Only in products based on Gecko 1.8 or later)
easter egg: Shows a verse from The Book of Mozilla
Shows the error page used when the browser could not access the requested path.
Shows installed plug-ins.
Easter egg, beginning with March 8th, 2008 trunk builds.