When you look at web pages, your browser holds onto a copy of each page (this is called caching). These copies speed up your web surfing, but if a page was updated after your browser saved its copy, you may be seeing an outdated version of that page.
Refreshing a page
If you think you’re seeing an old version of a page, refreshing the page will usually work. There’s a refresh button near or inside the address bar at the top of your browser window, or you can use Ctrl + R (or Cmd + R on a Mac) to refresh the page.
Clearing your cache
Sometimes browsers are stubborn and refreshing won’t work – you’ll need to remove the page copies your browser is saving. This is called clearing your cache, and different browsers and operating systems handle it in different ways:
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