In order to clear your cache and cookies in Safari you will need to:
Cache
- From the Safari menu, click "Empty Cache".
- When asked "Are you sure you want to empty the cache?", click "Empty".
- Click "Done".
- Reload the page.
Cookies
- Go to the "Safari" drop down menu.
- Select "Preferences".
- Select the "Security" icon at the top panel.
- From the Security dialog box, click "Bookmarks".
- Click "Show Cookies".
- From the Cookie dialog box, click to choose cookies from tangle.com, and click "Remove". Alternatively, if you want to delete all cookies, click "Remove All".
- Click "Done".