Those are big conveniences if they work the way they're supposed to, but sometimes cache and cookies can cause glitches and slowdowns. Clear Firefox cookies and cacheĪll the websites you visit leave behind cached image files, which are supposed to speed up load times, and cookies, which can save you from having to log in over and over. If they are important to remember, save them to bookmarks or stash them in a special 'Read Later' list in a to-do application such as 2Do. Just close the tabs you're not actively using. More than a few? Active tabs mean active processes that take up your laptop's RAM and drastically slow down its capabilities. Here we've listed some suggestions that should get your Firefox run faster. It seems like it's almost working, but you can't get anything done. Slow Firefox browsing experience is truthfully beyond annoying.