According to Microsoft, Edge’s Sleeping Tabs feature saves an average of 39.1MB of RAM per tab. This feature first appeared in Microsoft Edge at the end of 2020. It puts tabs that have not been used for a certain period of time to sleep. On the panel itself, the tab remains visible, but is unloaded from memory to save system resources. It differs from the rest in that it is dimmed, however, if you switch to it, the tab becomes active again and the web page is automatically updated.
Sleeping Tabs has been improved in Microsoft Edge 100. Then the developers made changes to the browser that allowed tabs to sleep that use the same view elements with other pages. According to Microsoft, this increased the number of “sleeping” tabs by 8%, which had a much more effective effect on saving computer resources. The company has done some interesting research. It turns out that 6 billion tabs have been put to sleep on Windows devices in the past 28 days, saving 273.7 PB of RAM. That is, approximately 39.1 MB per tab.
The Sleeping Tabs feature is enabled by default and will sleep tabs that remain inactive for 2 hours. In this case, 6 billion tabs is quite a lot. To make sure that this feature is enabled in the browser, you need to enter edge://settings/system in the address bar and find the option “Keep resources in tabs in sleep mode” in the settings. There you can also specify the time after which inactive tabs will go to sleep, as well as add sites to the exception.
Sleeping tabs can have a positive impact on the performance of low-RAM systems and laptop battery life. Most browsers already support a similar feature, but a recent study showed that Microsoft was able to implement it better than the competition.
Source: Trash Box
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