On Chrome:
- On your computer, open Chrome.
- At the top right, click More More.
- Click More tools and then Clear browsing data.
- At the top, choose a time range. To delete everything, select All time.
- Next to "Cookies and other site data" and "Cached images and files," check the boxes.
- Click Clear data.
On Safari:
- Click on the Safari drop-down menu and select Preferences
- Click the Advanced tab
- Select the Show Develop menu in menu bar checkbox and close the Preferences window
- Select the Develop drop-down menu
- Click Empty Cache.