Open the Settings App

Select Safari

Select Clear History and Website Data

Select Clear History and Website Data from the pop-up menu

Open the Chrome App

Select More at top right

Select History

Select Clear Browsing Data

Change the time range to All time

Check the boxes next to Cookies and site data & Cached images and files

Select Clear Data

With the browser window selected, select Safari in the very top left next to the Apple icon

Select Clear History…

Change the time range to All History

Select Clear History

With your browser window selected, input Command+Shift+Delete

If prompted for a timeframe, select All Time

Next to Cookies and site data & Cached images and files, check the boxes

Select Clear

With your browser window selected, input Ctrl+Alt+Delete

If prompted for a timeframe, select All Time

Next to Cookies and site data & Cached images and files, check the boxes

Select Clear