Gryffindor: Memes, lots and lots of spicy memes.

Ravenclaw: Spills too much personal details in their tags, makes long tangent post about subjects they are passionate about, saves things in their drafts and forget about them for months.

Hufflepuff: Posts cute animal gifs, sends nice messages to others, supports friends/mutuals by reblogging their posts

Slytherin: Posts aesthetic memes, checks in on their friends when they make sad posts, Theme is on point