One of the most important features to consider is the site’s speed. While SupJav’s content is consistently high quality, the site’s homepage and navigation is a little slow. It’s also a good idea to consider the site’s security measures. It’s not uncommon for a porn site to have content stolen from its competitors, so it’s important to have your ducks in a row. The good news is that there are no sign-ups or registration required to enjoy the site’s offerings.