Table of Contents
What is Edge's efficiency model?
How to turn on efficiency mode?
Will the efficiency mode affect normal use?
Who is suitable for efficiency mode?
Home Computer Tutorials Browser How to use efficiency mode in Edge

How to use efficiency mode in Edge

Jul 12, 2025 am 12:29 AM
edge efficiency mode

Efficiency mode is a feature in Microsoft Edge browser that reduces resource usage, optimizing performance by pausing background activity on inactive tabs. 1. It integrates the "Sleep Tab" function and is suitable for multitasking or low-performance devices; 2. It can be turned on through the address bar battery icon or settings menu; 3. It automatically limits the use of inactive tag resources, such as pause scripts and animations when turned on; 4. It does not affect normal use in most cases, but may affect audio playback and real-time update of web pages; 5. It can be added to the exception list to avoid limitations; 6. It is suitable for users with lower configurations, often open multiple tabs or remote office work.

How to use efficiency mode in Edge

Efficiency Mode is a practical feature in Microsoft Edge browser that can help you reduce the resource usage of your browser, especially when multitasking is run or when device performance is limited. It achieves optimization results by limiting the resource usage of background tabs.

How to use efficiency mode in Edge

What is Edge's efficiency model?

Efficiency mode is not a new feature, but it is an optimization that integrates more naturally in Windows 11 and the new Edge version. When you open many web pages, videos, or even multiple extensions, Edge can take up a lot of memory and CPU resources. After turning on efficiency mode, the browser will intelligently pause inactive tabs, reducing their consumption of system resources.

This function actually integrates the previous settings of the "Sleep Tab", but it is now easier to find and manage.

How to use efficiency mode in Edge

How to turn on efficiency mode?

You can enable Edge's efficiency mode in the following ways:

  • Method 1: Quickly set from the address bar

    How to use efficiency mode in Edge
    1. Click the battery icon on the right side of the Edge address bar (if you don't see it, you may not have installed the latest version of Edge)
    2. Select "Efficiency Mode" in the pop-up panel
    3. Toggle the switch to turn on
  • Method 2: Through the Settings menu

    1. Click the three dots in the upper right corner → Settings
    2. Select System and Performance on the left
    3. Find the "Efficiency Mode" option and turn on

After it is enabled, Edge will automatically process those tab pages you are not browsing, such as pausing JavaScript running, reducing animation frequency, etc.


Will the efficiency mode affect normal use?

In most cases, it will not affect your daily browsing experience. Because the original page will only be "freezed" after you switch to other tabs for a while. And once you click back, it will resume normal operation.

However, it is important to note:

  • If you have audio that is continuously played in a tab (such as music), the efficiency mode may pause it.
  • Some web pages that require real-time updates (such as stock markets, online collaboration tools) may not be updated in time.

If you encounter this situation, you can add these specific websites to the "Exception List":

  1. Go to Settings → System and Performance → Efficiency Mode → “Always allow the following sites to operate properly”
  2. Add the website address you want to exclude

Who is suitable for efficiency mode?

  • Friends with low computer configuration : Especially for users with small memory or using old laptops, the efficiency mode can significantly improve browser fluency.
  • People who often open more than a dozen tabs : If you are used to turning on all the content you want to see, this function can save you a lot of resources.
  • Remote office or online course users : Open multiple data pages at the same time during video conferencing, and the efficiency mode can avoid lag.

Of course, if you are sensitive to web behavior or rely on some real-time content, you can also temporarily close it.


Basically that's it. Turning on efficiency mode is easy to operate and does not require too many adjustments, but it can indeed help you save resources silently when you are not paying attention.

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