A list of "about" pages within Mozilla's Firefox web browser. The list is not exhaustive and will be updated with every major update of the browser.

To access the Firefox URLs, type about:about into the address bar.

Some can be confusing. Some are for diagnostic purposes only. Some are omitted because they require query strings.

Additional information can be found in this Mozilla Developer web doc

Users may access the list of Chrome Browser URLs by typing chrome://chrome-urls/ into Chrome Browser's address bar.

List of Chrome URLs

• chrome://about
• chrome://accessibility
• chrome://appcache-internals
• chrome://apps
• chrome://blob-internals