Firefox Add-On Providing Check4Change for Monitoring Updates in the Websites From the name itself we can easily assume that Check4Change will monitor all the changes taking place on the websites for a specific period of time which will be mentioned by the users. They can save all hassles of having to manually do the refreshing job all the time, especially if they expect … [Read more...] about Firefox Add-On Providing Check4Change for Monitoring Updates in the Websites