Every time you visit a website, your browser remembers parts of it — images, stylesheets, scripts — and stores them on your device. Next time you visit, instead of downloading everything again from scratch, it loads the saved versions. This is called browser caching, and it's one of the reasons websites load faster on repeat visits.
Why does caching exist?
Caching reduces the amount of data transferred between your browser and the web server, which means faster load times for you and less load on the server.
When caching causes problems
The issue arises when a website is updated but your browser is still showing you the old cached version. You might see an outdated image, old content, or a layout that looks broken — even though the live site has been fixed.
How to force your browser to load the latest version
The quickest fix is a hard refresh:
- Windows/Linux: Ctrl + Shift + R
- Mac: Cmd + Shift + R
If a hard refresh doesn't work, clear your browser cache entirely. In Chrome: Settings → Privacy and Security → Clear browsing data → tick "Cached images and files".
A note for website owners
If your clients are reporting they can't see your latest changes, caching is usually the culprit. Asking them to do a hard refresh (Ctrl+Shift+R) will solve it most of the time.