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Additionally, you can point-and-click to block JavaScript locally or globally, create your own global or local rules to override entries from filter lists, and many more advanced features. Software available for chrome, opera & firefox. uBlock Origin is not an 'ad blocker', it's a wide-spectrum content blocker with CPU and memory efficiency as a primary feature. The new fonts panel in Firefox DevTools gives developers quick access to all of the information they need about the fonts being used in an element. uBlock Origin is free & open-source, cross-platform browser extension for Block Ads, Pop Ups, and Trackers. Checking this will disable prefetching in your browser.
