USe private Browsing

Let's stay on browsers for a moment. Did you know your browser records everything you do?
It isn't just your search history, cookies and passwords, it saves images and code to a special cache for later use. Anyone who knows what they're looking for can see what you've been up to.
That's why the latest version of every major browser has a privacy mode. This stops your browser from recording things.
You can find private browsing mode in your browser's menu options. In Chrome it's called incognito mode. In most browsers, you can just use the shortcut Control + Shift + P. Again, Chrome is different, with Control + Shift + N.
Unfortunately, this doesn't always stop the browser from creating a cache. To clear that out, you can poke around the browser's options menu, or you can grab a third-party cleaner like CCleaner.