This is the universal shortcut for normal reload in Safari, Chrome, Firefox, Edge, Brave, Opera, and most other Mac browsers. Use this when a page isn’t loading properly or you want to fetch the absolute latest version from the server (ignoring saved files).
Here’s a helpful guide to using keyboard shortcuts, broken down by browser and use case. The Standard Shortcut (Works in all major browsers) Command (⌘) + R mac reload page shortcut