Bypass browser cache

To reload a page and bypass the cache:
Hold the Ctrl key and press the F5 key.

To completely clear the cache:
Internet Explorer 9:
1. Click “Tools”, point to “Safety” and click “Delete Browsing History...” (keyboard shortcut: Ctrl+↑Shift+Del).
2. Select "Temporary Internet Files", and click “Delete”.
3. Internet Explorer 9 will now silently delete the items you have chosen. Once finished, the notification bar appears at the bottom of the screen, stating that the selected browsing history has been deleted.
Internet Explorer 8:
1. Show the Delete Browsing History box:
either: Hold the Ctrl and ↑Shift keys and press Del.
or: Click the “Tools” menu then select “Delete Browsing History”.
or: Click the “Safety” command bar button then select “Delete Browsing History”.
2. then: Make sure “Temporary Internet Files” and “History” are checked, and click “Delete”. If you want, you can also opt to delete cookies (but this will cause websites to forget any settings you have provided).
Internet Explorer 7:
Click “Tools” and select “Internet Options”, choose the “General” tab and click “Delete Files” under the Temporary Internet Files section. If you want, you can also opt to delete cookies and browsing history.