1 point
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Neocities already has its own internal engagement stuff (with people following each other, commenting on updates etc), it probably wouldn’t be too hard to throw that into ActivityPub.
Just like wordpress though neoticies is much more “here is my stuff, browse through it” oriented than tumblr, which is at least 70% towards twitteresque “here’s a firehose of different stuff of different people please make comments and retweet every image”.