Install the latest nightly build ( ), launch it, type about:config in the address bar and press Enter.
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It's still buggy so isn't available in the regular Firefox download yet, but if you're willing to risk the odd crash or two then there's an easy way to try it out. TraceMonkey is a new Firefox feature that converts slow Javascript into super-speedy x86 code, and so lets it run some functions anything up to 20 times faster than the current version. Type, click OK, enter 65536 and click OK, then restart your browser to get the new, larger cache. Type about:config and press, then right-click anywhere in the window and select New > Integer. If you have plenty of RAM (2 GB of more), leave Firefox running all the time and regularly return to pages then you can improve performance by increasing this cache size.
And if you discover some Flash content that isn't entirely useless, just click its placeholder to download and view the applet as normal.Īs you browse the web so Firefox stores site images and scripts in a local memory cache, where they can be speedily retrieved if you revisit the same page. Install the Flashblock extension () and it'll block all Flash applets from loading, so web pages will display much more quickly. Fortunately there's a very easy solution. Intrusive Flash animations are everywhere, popping up over the content you actually want to read and slowing down your browsing. Type, click OK, set the value to False and click OK. Type about:config, press, right-click in the window and select New > Boolean. This is a little drastic as Firefox could remain unresponsive for quite some time, but try this and see how it works for you. You can take the last step even further by telling Firefox to ignore user interface events altogether until the current page has been downloaded.
Type, click OK, enter 250000 (a quarter of a second) and click OK to finish. Type about:config and press, right-click in the window and select New > Integer. Reducing the content switch threshold can improve performance, then, and it only takes a moment. If you haven't moved your mouse or touched the keyboard for 0.75 seconds (the content switch threshold) then Firefox enters a low frequency interrupt mode, which means its interface becomes less responsive but your page loads more quickly. This time create a value called and set it to True to finish the job. Right-click again in the window and select New > Boolean.
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