as my social media was pulled, IG and twitter, I use forums, such as freeones, other porn pages...
you can become part of the community without spamming your site, just being included & have your sig with your blog or site, preferably both. The choice for the porn surfer to read more and see more about your site before joining or go straight to the site & sign up...
also, thehun, and gallery submitters and of course, banner exchange or backlink sites
