Not particularly useful at all, but meets the obscur box for sure, and I didn't read the "useful" part of the title until after already typing this post.

I used to frequent this page in the early 2000s:

The Best Page In The Universe. https://maddox.xmission.com/

Specifically, he had an amazing blog post about Ben Stiller at the height of his career: https://maddox.xmission.com/c.cgi?u=ben_stiller_should_star_in_every_movie%5E___%5E