[james_pm]

In a similar vein: https://kagi.com/smallweb

[Gormo]

Reminds me of the old days of StumbleUpon.

[sricks3]

I've been using the "surprise me..." feature on https://wiby.org as a sort of small-web/indie-web StumbleUpon lately.

[asicsp]

https://marginalia-search.com/explore/random is another cool option - plus, you can get results similar to a site you like.