Firefox mac running very slow

This is because an antivirus program can actually make your Mozilla Firefox updates slow down and that affects its overall performance. That is why you have to pause the use of your antivirus when you are going to use your Mozilla Firefox browser on your Mac. Now, as what we have mentioned earlier, one of the most common reasons as to why your Firefox runs slow on your Mac is because of too many caches, history, cookies, downloads, and more than you have stored in it.

That is why the best thing that you can do is to clean all these unnecessary things from your browser. In doing this, you can actually choose from two methods.

One is by going through them one by one — which can actually take you some time. And the other one is by using a third-party application. So, if you are the type of person who does not want to spend more time doing this, then we highly recommend you to use the PowerMyMac Privacy. The PowerMyMac Privacy is one effective tool that you can actually use for you to be able to clean up all the unnecessary things that you have on your Firefox browser.

It can clean up your cookies, searches, downloads, caches and some other visits from all browsers that you have on your Mac. And once that you are done downloading it, then go ahead and simply install it on your Mac. Free Download. After completing the installation process of the program, go ahead and launch it on your Mac. Once that you are done viewing the status of your Mac, go ahead and simply choose Toolkit located at the top of your screen.

Once that you click on that option, you will then be able to see a list of modules under the Toolkit option. Once that the scanning process is complete, go ahead and click on the View button for you to enter the page wherein you will be able to find a list of the browsers that you have on your Mac.

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From there, all you need to do is to click on the Mozilla Firefox browser. Once that you have selected the browser that you would want to clean up, you will be able to see a list of files under that browser. And these files are all located on the right side of your screen.

From there, you can go ahead and select the files that you would want to clean up. Or you can also simply click on the Select All button for you to be able to choose all files listed on your screen. NOTE: You can also move your mouse cursor to the right and you will be able to see some more details by clicking on the Show button.

After choosing all the files that you would want to clean up, go ahead and simply click on the Clean button located at the lower right part of your screen. This will then initiate the cleaning process. Then, you will be able to see a pop-up message that will appear on your screen asking you to confirm the action to be done.

From that pop-up message that appeared on your screen, go ahead and choose the Confirm button. Then the cleaning process will take place. Once that the cleaning process is done, then that means that all the files that you have chosen from your Firefox browser had been deleted completely from your Mac. This also will save you more of your time from going through them one by one. Aside from this feature of the PowerMyMac, it also comes with other cool and really helpful features. Cleaning your Mac is also another solution that you can do for you to be able to make sure that your Firefox browser will run faster on your Mac device.

This is simply because the PowerMyMac is considered to be an all-in-one Mac application and one of the most powerful apps there is nowadays. That is why every Mac users should have this to ensure that their Mac will always run smoothly and that they will be able to clean up their Mac anytime easily to free up more of their storage space and as well as to make their performance of their Mac better.

Firefox on MacOS: insane battery drain, subpar performance and endless frustration

Since Mozilla Firefox is one of the most popular browsers that we have nowadays that is why many Mac users would actually turn into using them. However, since this is not the default browser intended for Mac, there are instances that they will experience that Mozilla Firefox may run slow on their Mac or even freezes or crashes every time they use it. Luckily, we have the perfect solutions that you can apply for you to be able to fix this problem. All you need to do is to perform all the above solutions that we have provided. Also, you can try to use the most recommended all-in-one Mac application there is and that is the PowerMyMac.

This tool will also help you in cleaning up the unnecessary data or files that you have on your browser in just a few minutes. Aside from that, you can also use the PowerMyMac for you to be able to clean up all the junks that you have.

2. Firefox Uses Too Much CPU or RAM

This way, you will be able to help your Mozilla Firefox browser to run faster. Excellent Thanks for your rating. All Rights Reserved. FoneDog uses cookies to ensure you get the best experience on our website.

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Android Data Recovery. Broken Android Data Extraction. Computer Data Recovery. Free Photo Compressor. Free PDF Compressor. Conatct Us. By Xyla, Last updated: October 18, The Mozilla Firefox is known to be one of the best web browsers that are available in any platforms today. These things can really become your habits, just make some efforts at the start and you will notice that you close tabs automatically after some time passes.

Just imagine how many resources your browser will save for efficient work, but not for storing all those flash-objects on the opened tabs! It is the fact proven by many Mac users and Apple themselves. I don't know why does this happen sometimes, but it is so.

Firefox program is extremely laggy and sluggish (Mac)

Only switching to another web browser may help. Soon, you will update your macOS and install Firefox again! I hope that my step-by-step instruction was useful and all the issues with your Firefox were fixed! Please share it with others, maybe they don't know how to speed up their Firefox yet! But here is the list of the most common reasons: You use Flash player plugin, Adobe Reader or Java scripts.

They often make Firefox hang. You open too many windows or tabs. Many different processes run on your Mac, including third-party ones. They can leave the browser without a little space for processing your request. Your version of Firefox is outdated. Your browser has too many caches, downloads, browsing histories, and so on. Your Mac or MacBook is already old and slow in general.

That makes you feel that Firefox and other apps work slowly as snails move. The browser becomes unresponsive. Force quit this application Force quit is the last resort for any frozen app.

How to Use Firefox Performance Settings?

Check the version of your Firefox browser while it is running. Remove everything unnecessary I usually call it 'burdens' from your Firefox. Do it by: Cleaning the browsing history. It slows the performance down, as your browser loads the history again and again, it keeps it for all the time. So, clean it!

You can keep your login details in order not to take time for restoring all the passwords. You may even not remember some of them, so please check this point and remove a tick, if you need to save them. Deleting extensions that you don't use. They take place and memory of your browser. Why not to free some space? Go on! Disabling plugins you don't need any more. Clean the Mac hard drive.

Firefox program is extremely laggy and sluggish (Mac) | Firefox Support Forum | Mozilla Support

Try to work out nice browsing habits: Use only one window at a time, always close unnecessary tabs in it, especially if you finish reading articles in some big magazine as Huffington Post, Forbes, etc. They are weighty and usually load a great variety of flash advertisements to your browser. It happens automatically, so the best option is closing these tabs after you've finished what you wanted.