It is impossible to say for sure who is better, it is known for sure that reddit was the first, and when 9gag appeared he copied a lot from reddit as well as the main concept of the social network! But! 9gag chose the direction of memes, games, crypts and adult content! Therefore, he has legally occupied his niche and is very popular all over the world! We believe that there is no better, they are similar, and at the same time are different! Both sites are great for promoting your services and just having a good time!