If your Mac is unbearably slow and Safari is almost unusable, you may be experiencing a memory issue in Safari. A message will then appear “This web page uses a lot of memory”.
If you suspect that Safari is using too much memory on your Mac, read this article to see what you can do to resolve this issue.
Your Mac should be able to make the best use of its available memory, or RAM. This means that a high memory load is not a problem until it reaches a critical point and you start to hear fans and suffer from overheating.
Open Finder. At the top of the macOS (Finder) menu, click “Go” next to the Apple logo. You will find “Go” in the menu bar.
Click on “Go to folder”. Then enter: “~ / Library / Safari” without quotes.
Select all files starting with “History”. For example History.db, but there are more.
Drag these files to the Desktop. The location is not specific, you can choose a location of your choice.
Restart Safari. Use the activity view to see how much RAM Safari is currently using.
In the next step, we will remove incorrect Safari files to prevent the memory message in Safari.
Download CleanMyMac to your Mac computer.
Click Optimization on the left side of the menu. Then click on Trapped Apps and on Large Consumers. If there are any issues then you can repair these apps.
Then click on Privacy. Launching the Safari browser privacy module will remove Safari issue files. Click Scan.
Click Safari, select all the components on the right, and click Remove.
The erroneous safari file cleanup is complete. You can see in an overview the number of tracks that have been deleted.
Read more: Make Mac faster.
I hope I helped you with this. Thanks for reading!