You're seeing this because either page takes too long to load (slow connection) or
you're not using latest browser. VideoLulz supports any of these:
What are cookies?
Cookies are small text files that are placed on your computer by websites that you visit.
These text files can be read by these websites and help to identify you when you return to a website.
Cookies can be persistent or session cookies.
Persistent cookies remain on your computer when you have gone offline,
while session cookies are deleted as soon as you close your web browser.
To find out more about cookies,
including how to see what cookies have been set and how to block and delete cookies,
please visit http://www.aboutcookies.org/.