Detailed information on memory use is also available in the about:cache and about:memory pages. In some cases it may be useful for diagnosing memory problems, allowing the user to distinguish between cache use and other memory use, although the cache can also be cleared from the Tools menu, without this extension. This gives the advantage of small cache sizes without having to always suffer the performance hit. The RAMBack extension allows the user to manually free memory, such as caches, that is usually used to increase performance. Therefore, for most purposes the default value is recommended. Then open Firefox again and restore the previous session using the options of the. It allows you to restart them where you left off. Before doing the same, configure Firefox to save open tabs. If im_on_minimize is left set at the default value (false), the memory will be swapped to disk only if it is needed by another application. Whenever you notice that Firefox is using too much memory, it is best to restart your web browser.
The im_on_minimize setting (Windows only) does not reduce the amount of memory used, it just swaps memory from RAM to disk. Each preference includes an estimate of the amount of memory that can be freed on an average (512MB RAM) system by choosing the most memory-friendly setting.ī and Read each article for the preference's effects. Settings that reduce memory usageĬhanging the about:config preferences below may have an effect on memory consumption but may also affect performance or reduce functionality.
