Firefox:
Go to History -> Clear recent history. Choose the time range and items you want to delete, and click Clear Now.
Chrome:
Go to Chrome and navigate to Preferences -> Advanced -> Clear Navigation Data. Select the items you want to delete, choose the period for which you want to delete them, and click Clear Browsing Data.
Safari (mac):
Open Safari and go to Safari -> Preferences … Turn on Developer mode by checking the box to make it appear in the menu.
Finally, from the new Developer menu, select ‘Empty Caches’
Internet Explorer 9, 10 et 11:
Go to Tools -> Security -> Delete browsing history. Then uncheck the option for the ‘Preserve Favorites’ data, check the options for temporary Internet files and cookies, then click Remove.
Here’s how to clear the cache of your computer. It is possible that you have to restart your modem / box also for the whole thing to be effective.
For Windows from the console (CMD):
ipconfig /flushdns
For Mac using the terminal:
sudo dscacheutil -flushcache
For Linux using the terminal:
To clear the local DNS cache for the current user:
nscd -i hosts
To clear the local DNS cache for all users:
nscd -I hosts
For some Ubunto or Debian-based distributions:
sudo service dns-clean restart