The new browser won't let new third-party add-ons run until users give the say-so, and it suggests old ones be disabled. Also: Twitter search and a tab tune-up. Stephen Shankland worked at CNET from ...

Deactivate the browser helpers installed on your system to find the source of problems, or simply to speed up your browsing. Dennis O'Reilly began writing about workplace technology as an editor for ...

Firefox supports small programs, or plug-ins, that add extra functionality to the browser. These programs are called Add-ons. These programs can add a myriad of features ranging from a new toolbar ...

Over the coming year, Firefox will be putting the finishing touches on a plan it set in motion in 2015, which was to replace the aging Add-ons API with a new system called WebExtensions, based on the ...

Firefox 3 was released just this June, and many Firefox fans believe the new version is clearly the best browser you can get. You can make it even better with free ...

A newly discovered malware infected multiple Firefox browser add-ons with more than 50,000 downloads combined.

Firefox add-ons are a great way to add features and improve security in Mozilla’s browser, but they can seriously slow performance too. Now Mozilla is taking action against those speed-killing ...

Last year Mozilla launched MemShrink, an aggressive campaign to trim Firefox’s memory footprint. Since then not only has the browser's overall memory use dropped considerably, but the effort has been ...

Staff at Mozilla have issued a comprehensive fix for the Firefox browser after users endured three days without any add-ons, caused by the expiration of a signing certificate. The company has been ...

More than a dozen Firefox extensions were found to be malicious, planting backdoors and keeping track of user browsing habits, experts have warned. This is according to security researchers from Koi ...

An expired certificate on the Mozilla Add-ons infrastructure is disabling Firefox add-ons for millions of users, and is also preventing users from re-activating or (re-)installing extensions. The ...

Many Firefox users around the world are browsing without their usual set of extensions after they suddenly stopped working earlier this evening. The event occurred as the clock rolled over on UTC ...