How does lemmy's algorithm work? (lemm.ee)

submitted 1 year ago by Feugnis@lemm.ee to c/meta@lemm.ee

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More specifically, how does the 'hot' sort option work? It seems to be based on what posts I look at (I think) unlike top and new which are the same for everyone. Is this true? And if so, who controls how the algorithm works? My home instance? Or the base lemmy code?

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sorted by: hot top controversial new old

[-] Dave@lemmy.nz 23 points 1 year ago

It's not based on what posts you look at. It's the same for everyone. See the documentation here: https://join-lemmy.org/docs/contributors/07-ranking-algo.html

Hot is like Top but uses the time since posting to scale the ranking to keep newer content towards the top.

[-] Cypher@lemmy.world 9 points 1 year ago

It really doesn’t seem to work as intended, I see months old posts under hot for no apparent reason.

[-] Dave@lemmy.nz 6 points 1 year ago

That was a known bug in 0.18.2. It looks like your account is on lemmy.world which has very recently updated to 0.18.3, are you still seeing the issue?

[-] Cypher@lemmy.world 3 points 1 year ago

I will give it a look, I haven’t been using hot due to that issue

this post was submitted on 04 Aug 2023

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