Clearing Internet Browsing History, Cookies and Cache

Safari:
Go to the Safari menu bar, then click Safari > Preferences, then select the Advanced tab
Select the "Show Develop" menu in the menu bar
From the menu bar, click Develop >  Empty Caches

Version 8.x
Go to the History tab.

Click Clear History and Website Data...

Select all history and then click Clear History.

Firefox:
Windows: Menu > History >

Clear Recent History >

Select: Time range to clear > Everything

Select: Details > Browsing & Download History, Form & Search History, Cookies, Cache and Active Logins

Mac: Menu > History > Clear Recent History > Select: Cookies, Cache and Active Logins
Range: Everything

Internet Explorer:
Tools > Internet Options

Select under Browsing History > Delete...

Select > Temporary Internet files and Website Files, Cookies and Website Data and History and Select Delete.

Please make sure that "Preserve Favorites website data" is also unchecked

Chrome:
Menu > History and Recent Tabs > History

Clear Browsing Data >

Select: Browsing History, Download History, Cookies and other site and plugin data, and cached images and files.
Time range: The beginning of time