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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 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]
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 ...
High memory is the part of physical memory in a computer which is not directly mapped by the page tables of its operating system kernel. The phrase is also sometimes used as shorthand for the High Memory Area , which is a different concept entirely.
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.
Firefox, Chrome, Safari, and Opera will, under some circumstances, fetch resources before they need to render them, so that the resources can be used faster if they are needed. This technique, prerendering or pre-loading, may inflate the statistics for the browsers using it because of pre-loading of resources which are not used in the end.
Firefox 2 — — Firefox 3 — — Firefox 4 — — Firefox 5–9 — — Firefox 10–16: 0.39%: 0.01% Firefox 17–23 — — Firefox 24–30 — — Firefox 31–37 — — Firefox 38–44 — — Firefox 45–51 — — Firefox 52–59: 1.54%: 0.04% Firefox 60–67 — — Firefox 68–77 — — Firefox 78–90: 0.39%: 0.01% Firefox 91 ...