by Ken Saunders
About this Collection
A collection of about protocol urls
8 Add-ons in this Collection
Simple lightweight add-on that provides one click access to the Add-ons Manager via a toolbar button.
This simple extension adds menuitem "About Plug-ins" to menu Help. When you select this item, page about:plugins is showed.
The about:me page provides a fun way to see personalized patterns and trends in browsing history.
An about page, about:accessibilityenabled, to show whether accessibility API support is...