safari freeze

You are welcome. If you will try posting the report in Pastebin and provide a link in a reply, someone may be able to help you with the Etrecheck report. After pasting the report in a PasteBin page, go to the top of the page, and copy the address in the URL bar. Paste that in a new reply.        Pastebin

Force Quit anything that’s not responding, particularly ALL items that currently have access to the Web. Go to the Apple Menu > Select Force Quit... > Then Quit all Items ending in “(Not Responding)”

Then... Clear Your Temporary Internet Files: History and Cache

Clear your history to rid of all login credentials. Clear the cache to get all sites to loading like new, clear. up-to-date, and default appearance.

Its worth a go.

Try setting up another admin user account in System Preferences/Users & Groups to see if the same problem continues. Please post back on whether or not this worked. Also try the Safe Mode. Please post back on whether or not this worked.

Isolating an issue by using another user account 

Safe Mode - About

If it works in the Safe Mode, as suggested earlier by tygb, try running this program when booted normally and then copy and paste the output in a reply. The program was created by Etresoft, a frequent contributor.  Please use copy and paste as screen shots can be hard to read. Click “Share Report” button in the toolbar, select “Copy to Clipboard” and then paste into a reply. This will show what is running on your computer. No personal information is shown. If the log won’t post, try posting it in Pastebin and provide a link in a reply. After pasting the report in a PasteBin page, go to the top of the page, and copy the address in the URL bar. Paste that in a new reply.        Pastebin

Etrecheck – System Information

See this article https://support.apple.com/en-us/HT203353

https://support.apple.com/en-gb/guide/safari/sfri47acf5d6/mac

Run https://www.etrecheck.com

And post the results .