Web3 has also been used to describe web pages designed for easy parsing.

Reader view, tools for the visually impaired, and browser automation are actually useful and commonly used, so that definition win the title for me.

There are certainly useful distributed web tools (e.g. email, TOR, IRC, Matrix, self-hosting, bittorrent), but they're the opposite of recent trends towards monopoly.

The distributed meaning is absolutely poisoned by blockchain at this point.