Click on the Safari menu at top left, choose Preferences from the dropdown menu. Note: Since macOS 13 Ventura, Preferences are called Settings Click the Advanced tab of the dialog that pops up. At bottom of dialog, select Show Develop menu in menu bar. Close the Preferences dialog Click the Develop menu at the top of the screen. Click Empty Caches from the dropdown menu.
Note: There are simpler ways to do this, but activating the Develop menu gives you easy access to this function whenever yu need it in future. Plus you get access to other useful developer features, such as the ability to switch off JavaScript.
I usually write a blog post about once a week. The latest post can be viewed here: Garbage: Democracy dies in darkness, especially when it is buried in garbage! (posted 2024-11-01 at 12:31:14). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2024-08-22 Stirring Up Trouble: Let's just get every view out there and fairly debate them..