To access premium links or "fast servers," many of these sites (like Worldfree4u) require users to register. Never do this. When you create a login, you provide your email address and a password. Because most people reuse passwords, hackers will take that email/password combo and try it on your Gmail, Facebook, or Paytm account.
8xmovies, 9xmovies, Worldfree4u, Downloadhub, and Bolly4u are notorious piracy websites
Content is often CAM-rip (recorded in a theater) or mislabeled, offering poor picture and audio quality.
Extensive regional Indian content, early-access movie rentals.