For example, this site is hosted on an open source version of the old Geocities, with some modern Quality of Life additions, like an embedded editor (with highlighting) & preview and an easier-to-look-at file manager.
NeocitiesI'll also be checking out things like Gemini, so watch out for links and small explainers of those sorts of things as well.
Here's a rundown of what places like this hope to do: Yesterweb: Reclaiming the Internet
(wip)
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Special thanks to Kat, for calling attention to Neocities as an easy inroad to the smallnet. Here's her website! You've got Kat!