On … https://phtn.lemmy.blahaj.zone/
the “random” thread loader runs twice.
I am on a slow rural connection so it may not be noticeable in town.
I go to read the first post, then page gets replaced by different posts.
This does not happen on… https://lemmy.blahaj.zone/
I think there is yet another theme for blahaj, but have not tested it.
SSR is disabled on phtn.app just like alexandrite, so you probably wont have the issue there.