videowave Said:
“Safari 14.0 is getting real slow on FaceBook, what is wrong?: I have no extensions in the Safari browser, do I need some? I'm using a 16" MacBook Pro 2019. No problems with Facebook when using Google Chrome.“
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Clear your Temporary Internet Files (in Safe Mode):
Boot into Safe Mode and then Clear your Temporary Internet Files of Safari:
[hold down shift upon boot until the login screen appears]. See if this is still an issue. Safe Mode lets items run as default, without changes whatsoever. That is possible because caches of your macOS are temporarily disabled while in Safe Mode. If other apps have settings, then Safe Mode would place those app' preferences aside, while the blow is cleared.
- Clearing your Temporary Internet Files (Cookies & Cache) of Safari:
Cookies perform remembrance of certain site-entered data. Whereas Cache keeps a snapshot of the last time you visited a site. Use this Link: Clearing History and Cache - Apple Communities