When I navigate to an Apple Knowledge Base article, all I get is a blank page. Here’s a fix.
Note: This problem has existed for some time…
Safari 8.0.2, OS X 10.10.1 Yosemite.
Open the Safari Preferences

Click Privacy
Show the list of stored cookies.

Click Details…
Delete the apple.com cookie

- Type apple in the search box.
- Click the apple.com cookie.
- Click Remove.
- Click Done.
Close the Preferences wndow.
Now return to Safari and reload the page that was blank.