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The new Microsoft Edge feature will reduce memory and CPU usage

To improve memory and CPU usage on the Edge, Microsoft is developing a new feature called "Sleeping Tabs."

Sleeping Tabs is based on Chromium's freezing technology, which effectively interrupts activities in the background of a tab (such as advertisements, javascript, script timers, etc.) to minimize resource usage.


Unlike discarded tabs where your page is fully reloaded, a sleeping tab continues to work with all content of when you click.

According to Microsoft, sleeping tabs could improve memory usage by up to 26% for Microsoft Edge. Similarly, a sleeping tab also reduces its use CPU up to 29%, which will result in its savings battery.

When you hover your mouse over a tab in sleep mode, Edge will declare "This tab is suspended to save resources".

Microsoft reports that the performance of the individual device varies depending on various factors, including its configuration hardware them and her possibility.

Activation of the experimental Sleeping Tabs function

1. Open Edge: // flags

2. Enable “Enable Sleeping Tabs” and “Sleeping Tabs use observed site characteristics heuristics”

3. Restart the Edge.

4. Open Settings> System.

5. See the Sleeping Tabs setting enabled.

By default, Microsoft intends to set tabs to fall asleep after two hours inaction, but advance users can choose a different time period, as shown in the screenshot below:

To continue using a frozen tab, just click on it and your content will be restored without full loading of the page.

You can also add important sites that you never want to freeze by putting them on a block list in Settings.


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Teo Ehc
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