I can't find the link anymore . it was a reddit comment that linked some forum post which explained how geocities died from google reducing traffic after an update.
Yeah I highly doubt Google had anything to do with geocities dying. I think MySpace had more to do with it. Just people moving away from personal websites to social networks
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[ 3.7 ms ] story [ 24.8 ms ] threadhttps://www.techspot.com/article/2401-geocities/
I don't remember it was due to Google's update, but rather wrong decisions and yahoo (not Google)
[0] https://ramblinggit.com/2018/05/15/the-day-google.html .
Have someone other than Google index it.