just some more i use on mobile nice share dweeb
about:home
Shows the Firefox home page with a Google
search bar.
about:addons
Shows the addons page
about:sync-tabs
Shows tabs synced from other computers
(tab syncing has to be enabled).
about:sync-logs
Shows the sync logs
about:cache?device=disk
Shows the disk cache device info, keys, and
data.
about:cache?device=memory
Shows the memory cache device info, keys,
and data.
about:crashes
Shows details of crashes submitted by
Mozilla's crash reporter.
about:memory
Shows memory usage.
about:support
Shows troubleshooting information.
about:privatebrowsing
Can be used to switch to private browsing
mode.
about:sessionrestore
Shows an interface for viewing about last
session.
about:feeds
Shows the page used when clicking the rss
feed icon in the address bar.