Google Chrome Uses 100 CPU? Reasons & Solutions

Your Google Chrome uses 100 CPU or uses a lot of memory sometimes, but you have no idea why it happens? This article, Google Chrome Uses 100 CPU? Reasons & Solutions, is to explain why your Google Chrome uses so much memory and CPU. After that, this post will give you several easy but useful solutions below one by one.

1. Too many web pages are opened at the same time.

If you open and browse large amounts of web pages at the same time, the memory and CPU will be used heavily. Every single page has to take a certain memory and CPU, especially the page with videos which takes more depending on the definition of the video (4k, 1080p, 720p, etc.).

The more pages you open and browse, the more memory and CPU chrome takes.

Solution:

Shutting down redundant pages that you have finished reading already can reduce Chrome CPU and memory usage. Just click the close button to remove the current tab from the screen and this simple operation will get you more free memory and CPU space directly.

2. A certain web page keeps loading for a long time.

If one web page is loading constantly, it will keep using a lot of memory and CPU in your computer. Sometimes it even freezes your PC and stops what you are doing that time, which is really annoying.

Solution:

Closing the page that cannot finish loading by a single click can lower Chrome CPU and RAM usage.

• 『 TIPS 』 How to force close a frozen Chrome?

If Chrome is already frozen, you can use Windows Task Manager to end the task.

First, open Windows Task Manager by pressing CTRL + Shift + Escape, or right-clicking on the taskbar on the bottom of your computer screen and choosing Start Task Manager from the menu.

Then right-click the chrome tab you want to close and click End Task.

3. The script of a web page is loading constantly.

If the web page's script keeps loading, it may cause high CPU usage and high memory usage.

Solution:

To solve this problem, you could just close the page whose script keeps loading with no result.

4. The website you browse includes virus codes or cryptomining scripts.

Virus or cryptomining scripts could also be a reason why your Chrome uses so much memory or CPU.

• 『 TIPS 』 What are cryptomining scripts?

Cryptomining scripts are used for browser-based cryptojacking which uses your computer processor to mine cryptocurrency for the hacker.

Solution:

Close the page which includes virus code or cryptomining scripts.

5. Some of the Google Chrome extensions you install are disreputable and suspicious.

Maybe you have installed some extensions unconsciously in your Chrome browser that are with bugs or even malware. These extensions will take much more CPU than normal ones.

• 『 TIPS 』 How to know an extension's CPU usage?

Press Shift + Escape to open Task Manager of Google Chrome and find your extensions.

It will show you the details including CPU usage.

If there is one of them using excessive CPU than usual, click on it and press End Process.

Solution:

Remove the Google Chrome extensions causing high CPU usage.

• 『 TIPS 』 How to remove a Google Chrome extension?

First, type the following address into Google Chrome's address bar to manage extensions.

       chrome://extensions/ 
       

Second, find the extension you want to delete and click the Remove button.

Then click the Remove button again in the popup window as a confirmation.

6. Too many cache and cookies are stored in Chrome.

Please visit: How to Clear Cache and Cookies in Chrome, Firefox and IE.

Solution:

The web page above will show you how to solve it step by step.

Conclusion

This Google chrome high CPU and RAM usage problem has no official solutions.

Fortunately, with the 6 reasons and solutions above, you can check which reason is the one causing the problem and then follow my steps to solve it.

Anyway, hope this helps and Good Luck!