What content is stored on hard drives?

-i went on a site that also had an adult content would that information be on the hard driveIt will be stored in your temporary internet files, yes. In your browser, go 'tools - internet options - delete browsing history' to get rid of it. And if it was illegal content, you may afterwards want to wipe the empty parts of your hard drive with a program like Eraser.
if you downloaded something from this website it will be stored on your hard drive ... But if you were just browsing and visiting the page than its adress will be kept in you browser .. Just delete your browsing history and you are ok !
Every single thing you do is stored on your hard drive.