I would suggest bookmarking the Netflix login on your computer's browser. That way you can return to their homepage by simply clicking on the bookmark. You could even add a shortcut to Netflix on your computer's desktop by following these steps:
Place you cursor on an empty part of your desktop.
Right click and select: New > Shortcut
The shortcut wizard will open.
Type the location as: https://www.netflix.com/Login
Enter a name for the shortcut like "Netflix Login"