If you are having trouble with a web page in Safari, you can always use Command+R, or View, Reload Page to see if that fixes it. But if you want a more thorough reload, add the Option key. You’l see Reload Page change to Reload Page From Origin in the View menu with the Option key held down. This reloads everything on the page instead of using cached versions of images and other elements.
Mac Video Tutorials and Tips for Apple Users
