If you use a lot of extensions in Chrome, you know that they can start slowing down the browser. To figure out what’s causing problems, CNET points out that Chrome’s built-in task manager is an excellent tool.
Android: One of the best things about Ice Cream Sandwich and Jelly Bean is the ability to long-press the home button to switch or close apps. ICS Task Manager/Switcher, the handiwork of XDA developer hamzawi, brings the same functionality to all Android devices for free.
Mac only: When you’re performing processor-intensive processes, it can really slow the rest of your system down. Free app ProcessRenicer allows you to give specific apps a higher (or lower) CPU priority, so your computer doesn’t get bogged down so easily.