The researchers also asked the participants to rate how often they noticed ten different problems in the online forums. Visitors to NoFap forums reported seeing content that was often trolling (88%), misogynistic (73.7%), bullying (49.1%), anti-LGBT (42.9%), or anti-Semitic (32.0%). Additionally, a significant number of participants reported being told to harm or kill themselves (23.5%), witnessing threats to hurt others (21.1%), and witnessing doxing of others (17.1%) on the forums.
Having a guide to site culture and the history of the more popular jokes and memes is rarely a bad idea. Reddit had a couple of subs dedicated to maintaining the history of reddit. Idk if they still exist.