Henrik, do you still have the machine where you originally reported this? Could you see if it has improved in the meantime? Here's a page that never finishes loading: https://jwatt.org/tmp/load-never-finishes.php
Bug 1503259 Comment 45 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
Henrik, do you still have the machine where you originally reported this? Could you see if it has improved in the meantime? Here's a page that never finishes loading: http://tests.themasta.com/load-never-finishes.php