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Firefox 7 was released on September 27, 2011, [20] and uses as much as 50% less RAM than Firefox 4 as a result of the MemShrink project to reduce Firefox memory usage. [21] [22] [23] Firefox 7.0.1 was released a few days later to fix a rare, but serious, issue with add-ons not being detected by the browser. [24]
In the efficiency tests, Tom's Hardware tested memory usage and management. With this category, it determined that Firefox was only "acceptable" at performing light memory usage, while it was "strong" at performing heavy memory usage. In the reliability category, Firefox performed a "strong" amount of proper page loads.
A lightweight web browser is a web browser that sacrifices some of the features of a mainstream web browser in order to reduce the consumption of system resources, and especially to minimize the memory footprint. [1] [2] [3] The tables below compare notable lightweight web browsers.
Firefox browser and Thunderbird email client Goanna [b] Active M. C. Straver [6] Mozilla Public: Pale Moon, Basilisk, and K-Meleon browsers Trident [c] Maintained Microsoft: Proprietary: Internet Explorer browser EdgeHTML: Maintained Microsoft: Proprietary: some UWP apps; [8] Microsoft Edge Legacy browser [9] Presto [d] Maintained Opera ...
Browsers are compiled to run on certain operating systems, without emulation.. This list is not exhaustive, but rather reflects the most common OSes today (e.g. Netscape Navigator was also developed for OS/2 at a time when macOS 10 did not exist) but does not include the growing appliance segment (for example, the Opera web browser has gained a leading role for use in mobile phones ...
Firefox is free-libre software, and thus in particular its source code is visible to everyone. This allows anyone to review the code for security vulnerabilities. [18] It also allowed the U.S. Department of Homeland Security to give funding for the automated tool Coverity to be run against Firefox code.
Additionally, engineers working on the site isolation project observed a 10 to 13 percent increase in memory usage when site isolation was used. [32] [33] Chrome was the industry's first major web browser to adopt site isolation as a defense against uXSS and transient execution attacks. [34]
If the memory access time is 0.2 μs, then the page fault would make the operation about 40,000 times slower. Performance optimization of programs or operating systems often involves reducing the number of page faults. Two primary focuses of the optimization are reducing overall memory usage and improving memory locality.