Many people say that they meet the “a web page is slowing down your browser” issue after updating Firefox. If you are one of them, you can refer to this post. This post from MiniTool provides some useful and feasible methods for you to fix the issue.

When you use Firefox for accessing the website and finding information, sometimes you may receive the error message - “A web page is slowing down your browser. What would you like to do?”. Then, there are two options for you - “Stop it” or “Wait”.

This “a web page is slowing your browser” error can be caused by large cookie size and outdated graphics drivers. Now, let’s see how to fix the “a web page is slowing down your browser Firefox” issue.

Solution 1: Update Graphics Card Driver

As updating your drivers is quite an easy task, it should be one of the first fixes you try. Now, follow the steps below to fix the “a web page is slowing down your browser” issue.

Step 1: Open Device Manager. Next, expand Display adapters and right-click your graphics card to select Update driver.

Step 2: Select Search automatically for updated driver software and let it finish the process.

If the above steps helped fix the issue, you should exit and restart the PC. If not, then continue.

Step 3: Again right-click your graphics card to select Update Driver. This time on the next screen select Browse my computer for driver software.

Step 4: Now select Let me pick from a list of available drivers on my computer and click Next.

select Let me pick from a list of available drivers on my computer

Step 5: Finally, select the latest driver from the list and click Next. Let the above process finish and restart your PC.

Then you can see if you have fixed the “a web page is slowing down your browser” issue. If not, continue with the next step.

Solution 2: Disable Adobe Flash Protected Mode

Adobe flash protected mode was launched to protect Firefox. It is a security feature that makes it difficult for attackers to attack your computer. However, it can cause hangs, errors, or plugin crashes. Thus, you can try to disable Adobe flash protected mode to fix the “a web page is slowing down your browser” issue.

Step 1: Open Firefox and go to Add-ons. Then, navigate to Plugins.

Step 2: Go to Shockwave Flash > 3 dots on right corner > Select Never Activate.

Step 3: Then, click Never Activate. Now, check to see if the issue has been fixed. If not, try the next solution.

Solution 3: Clear Firefox Cookies and Cache

Then, you can try to clear Firefox’s cookies and cache to fix the “a web page is slowing down your browser” issue. Now, follow the steps below to do that:

Step 1: Open Firefox, click the Options icon at the upper-right corner and choose Privacy & Security.

Step 2: Scroll down to find the Cookies and Site Data section, and click the Manage Data button.

Step 3: Select the target site, click Remove Selected, and click the Save Changes button. Click Yes in the pop-up window to clear the cache for this site.

Now, check to see if the “a web page is slowing your browser” issue has been fixed. Maybe you are interested in this post - How to Clear Cache for One Site Chrome, Firefox, Edge, Safari.

Solution 4: Modify the Firefox Setting

The last method for you to fix the “a web page is slowing down your browser Firefox” issue is to modify the Firefox setting.

Step 1: Open Firefox and type about:config in the address bar.

Step 2: When you receive the message - “This might void your warranty!”, you just need to click the I accept the risk! option.

click I accept the risk

Step 3: Then, type processHang in the search bar. There will be two settings. Right-click each and click Toggle to set both to False. Now, the issue should be fixed.

Final Words

To sum up, this post has introduced 4 ways to fix the “a web page is slowing down your browser” issue. If you have come across the same error, try these solutions. If you have any better ideas to fix the error, you can share it in the comment zone.

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