Moderation: choosing when to ban people or not, and acting on it promptly.
Blocking people, since you can block communities (needed to use a 3rd party app to actually do this on reddit).
Filtering out/organising porn, seperwting it from SFW content (Reddit tricks you into seeing porn all the time but lemmy holds it on seperate instances.)
less addictive design
comment formatting is made easy and seems to have more options.
honestly has more soul and more polite interactions. Reddit is good in places but not consistently/overall.
Doesn’t demand you install its app, browser is fine.
7 things, tap to expand
I wish I knew how to do the heart emoji …