It can be tough to understand exactly why Safari browser crashes or freezes on a Mac, but there are some reasons it may happen such as:
Depending on the cause, which you feel is the one applicable to the Mac you use to surf the web, follow the troubleshooting steps below to fix the browser’s freezing or crashing problem.
Give the spinning pinwheel to load up fully on Safari. Sometimes, it may take up to 60 seconds or so to go away. Close the apps running in the background to assist web page loading speed. Skip to the subsequent step if the wait prolongs.