Speed Tweaks is an addon that helps you speed up your browser by using a few different tweaks. Simply open the toolbar popup and mark the desired item(s). Please note that none of the tweaks are selected by default. Currently, there are 7 tweaks available for this addon: 1. Blocking most common ads. 2. DNS pre-fetching. 3. Blocking images from loading. 4. Speed-up rendering on page-scroll. 5. Loading mobile version of sites. 6. Discarding all inactive tabs from memory. 7. Clearing the browser's cache. Note 1: depending on your browser version and platform, this addon might behave differently. Note 2: to report bugs, please fill out the bug report form on the addon's homepage (https://mybrowseraddon.com/speed-tweaks.html).