Whereas I was hoping it can be under 800M, as you can see I've managed to reduce the chrome memory footprint using tab hibernation, and MS Edge is always doing an amazing job limiting its memory footprint. I tried the proposed "quit & relaunch" suggestion but found it has some effects but is not fully working as I expected - my Firefox is still over 1.5G: The options let you control things like how long the extension should wait before discarding inactive tabs and how many inactive tabs it takes to trigger the. Yet, my Firefox is taking over 2.5G of my memory: You can trigger tab unloading manually by clicking the Unload button in the page.īut look at how my tabs are taking memory now (few hundreds of Megs): However, when I checked mine, it has been true all the time and I had never ever seen any of my tabs been put into sleep mode, even when my system was very low in memory, which triggered me in such treasure hunting. If you have set the value to true, whenever you are working with too many tabs and some tabs are not accessed for some minutes, Firefox will automatically suspend those idle tabs. Once you have completed the above steps, restart Firefox and it’ll enable/disable the Tab Suspend feature in Firefox based on the value of the preference. To disable the Tab Sleep at any time, double-click on the preference to set its value to false. I just want them to be suspended or hibernated, until I revisit them again.įor the second answer there, found the "built-in feature" mentioned in That's not what I am after as I don't like my tabs being discarded and disappears. ![]() One possible solution is for Firefox to automatically suspend idle tabs.įirst of all, for all solutions in Automatically suspend or hibernate tabs in Firefox:įor Firefox >= 59, there is Auto Tab Discard. There you may change the suspend time (default 60 seconds), and whether you want pinned tabs or tabs with audio playback suspended as well (default is no).I have a small memory and Firefox is using a big chunk of it, I need to reduce its memory usage as much as possible. You can open the options of the extension in the Firefox add-on manager. ![]() The extension is compatible with Firefox 59 or newer, and will suspend tabs that are not active. It is not clear why that is the case and whether it has been pulled by its author or for another reason.Ī suitable alternative for it is Tab Suspender, a Firefox add-on that offers very similar functionality. Update: Suspend Background Tabs is no longer available. There are a few options on the auto suspension like whitelisting which comes in handy for. Firefox from version 13 on will only load the active tab on startup when session restore is active, and all other open tabs only once they have been selected. The great suspender for chrome, and Tab Suspender for firefox. The extension should not be confused with Firefox's Tabs on Demand feature. Despite that, it can be an interesting add-on for Firefox users who run many tabs in the browser and notice that Firefox is not as responsive as it should be. I'd like to see an option to whitelist particular domain names so that they won't be suspended as well. The Firefox extension comes with an option to not suspend pinned tabs in the browser. ![]() While you could deal with the issue differently, for instance by installing NoScript or a Flash blocker, the solution may not be as comfortable and automatic as what Suspend background tabs has to offer. It is unfortunate that the extension does not cover Flash related contents as well, as they can draw lots of resources even in the background. You will notice on these sites that the messages will only get refreshed once you activate the tab again. The add-on suspends automatic actions by websites, for instance the automatic updating of messages on Twitter or Google Mail, until you activate the tab again. If you limit your tabs to less than ten, you will probably not notice a big difference unless your computer is a bit on the low side resource-wise. This extension works best for users who have dozens of tabs open in the Firefox web browser. For this reasons I strive to make Firefox Tab Suspender lightweight and performant as much as it is possible. Extension's target are people who use older computers or just want to reduce browser's ram usage. Once you have installed the extension in Firefox it works automatically from there on out. Firefox Tab Suspender is an open source (only source code, see license) extension for Firefox Browser 59+. ![]() The author of the extension notes that it currently won't take action on sites with Flash or media contents, but that a future version may introduce the - in my opinion much needed - feature. The Firefox add-on Suspend Background Tabs tackles the issue by suspending actions in background tabs.
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