The instructions below are for Apple Mac devices ie macbooks, iMacs, NOT iPads
1. Select Preferences from the Safari menu or hold down the Command key and the comma key at the same time (Command
2. Go to the Privacy tab.
3. Click the Remove All Website Data button to remove all stored website data, or skip to step 5 to remove data on a site-by-site basis.
4. Click Remove Now to confirm. Note, as Safari warns you, this could log you out of sites and perhaps also change how they function. For example, instead of getting tailored ads on the site, you'll be served generic ones.
5. To remove stored data by site, click the Details button.
Once you have completed this close your browser and then open it up and log in as normal.