PROBLEM SOLUTION:įortunately Firefox comes with a built-in preference/flag to disable or turn off this new tabs suspension feature. With the help of this feature, Firefox can free up memory by unloading idle or unused tabs from memory.īut visiting a tab again and finding that it was automatically suspended by Firefox and then waiting for the tab to reload may start annoy users. This feature was implemented in Firefox as several users used to complain that Firefox consumes too much memory. At last it suspends tabs that are playing audio/video. After that it suspends pinned tabs that are not playing audio/video. If you are wondering how Firefox decides which tabs should it suspend first? Here is the order in which Firefox starts suspending unused tabs:įirst Firefox suspends tabs that are not pinned and not playing audio/video. If the user doesn’t want Firefox to suspend/discard tab, he can visit the tab immediately to prevent the suspension.Ĭurrently Firefox suspends tabs if the computer’s memory (RAM) is lower than 400MB. At least Firefox should show a confirmation alert or notification prompt before suspending tabs, so that user can know that a particular tab is going to suspend. Here the problem is the suspension process is automatic and Firefox doesn’t ask users permission before suspending tabs. After automatic suspension of tabs, if you decide to review the tab, Firefox reloads the tab for you. What are unused or idle tabs? These are the tabs that you haven’t used or visited in a while. This feature regularly checks the amount of free memory (RAM) available in your computer and if it detects that your computer’s memory is running low, it starts suspending unused/idle tabs to free up memory resources. New versions of Firefox browser come with this new feature called “ Suspend unused or idle tabs“. You’ll be surprised to know that it’s a new feature introduced in newer versions of Firefox (v67 and later). Now you need to run javascript again and keep the tab opened and active so that the javascript keeps running and processing data. When you visit the tab again, you realize that Firefox suspended the tab and you lost the processed data. It might become problematic sometimes when a webpage is running a javascript to process some important task and Firefox suspends the tab without your knowledge. It becomes irritating when you have to wait while Firefox reloads tabs for you. Although you already visited those tabs just few minutes back but as soon as you move to other tab, Firefox automatically suspends tabs. It wastes time and Internet bandwidth in refreshing the tabs again. In other words, Firefox unloads or discards some running tabs and when you visit those tabs again, Firefox reloads the tabs from start/scratch. The problem occurs when you have opened several tabs in Firefox and it automatically suspends some tabs. You use Mozilla Firefox web browser to visit websites.
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