I've read a few web serials this last year and change (Unsong, HPMOR, and Worm).
They're interesting from many angles, although I think they distinctly lack in mass appeal. Unsong and HPMOR in particular seem to me like the kind of thing you would either love deeply, if they're in your wheelhouse, or otherwise find positively insufferable. (I loved both).
Worm, on the other hand, while in need of some editing, seems like it would be absolutely killer as an animated series in the vein of Amazon's adaptation of Invincible.
One issue that seems to come up in this space is the authors having issues getting into publishing deals. For instance, the author Worm don't currently distribute ebooks because of nebulous concerns about the effect on future contracts. Unfortunately this seems to leave such works in a state of legal limbo.
Idk what my point is, just rambling at this point. I have very much enjoyed all the stuff I've read in this area so far though.