One of the Seven Circles of internet Hell, where furries and other stains on humanity flock. Some call it the off-brand
rule34, while for others this is their most-visited site. Usually used as a gallery for both NSFW and SFW art. Porn posted here typically is composed of ponies,
anthromorphic animals with human features, cartoons and various video game characters, ranging from
Ankha from Animal Crossing to Ren & Stimpy. Some more well-known characters are : Various Pokemon, MLP characters and even Deathclaws from the Fallout series. Art is organized by tags that tell one or more things in the image. e621 is also home to porn that takes things to the extreme.
Person 1 : Dude, have you seen how sexy this
gardevoir is? I
found it on e621
Person 2: You know I'm into horses, right? And
rule34 is the better site .