Ever wanted to check to see if a page is cached by Google yet or not?
Now you could search Google for cache:yourdomain.com or you could use an extension to get this ability added to your status bar. Google Cache Checker, currently an experimental add-on for Firefox, displays a checkmark icon if the current page is Google cached. If it is not, the extension displays a red X.
The result is immediately shown conveniently in the browser status bar. Where would this be handy to have? Well, let’s say your viewing a web site that is currently down. By viewing the cache (if it exists) you could at least see what it looked like before it went down. You can download the add-on from the Firefox Add-ons web site or get more information from the official web site.
For more status bar tweaks, be sure to check out 25 Tweaks for Your Firefox Status Bar and 25 More Tweaks for Your Firefox Status Bar.

What was that tab you closed about three tabs back again? Could it have been the fourth tab back, before you got your coffee? If you find yourself using the 



The search box in Firefox as totally revolutionized the way we deal with search engines on a day to day basis. I don’t go to Google.com to do my searching anymore – I do it from there. There are many more tips, tweaks and tools you can use to get the most out of this built in browser innovation.
Get More Firefox Search Plugins
Trying to browse through your old saved browser history can be a pain in Firefox in comparison with Internet Explorer. 