Linux: https://man7.org/linux/man-pages/

Debian: https://manpages.debian.org/

Ubuntu: https://manpages.ubuntu.com/

FreeBSD: https://man.freebsd.org/

OpenBSD: https://man.openbsd.org/

Archlinux also now has a manpage viewer

https://man.archlinux.org/

Useful if you need to see the manpage of a very recent version of a package.

man7.org is "official" (linked from kernel.org)

This page there: https://man7.org/linux/man-pages/man3/hsearch.3.html

Never knew this about man7, thank you.

What's the difference between reading letters and digits on a webpage, and reading them in a terminal?

Scroll behavior, for starters.

Obviously it is none of my business how people read their manpages, but on the off chance this may be useful to you:

    export LESS='--mouse --wheel-lines=3'

You mean that you can't scroll in the terminal, or?

Mankier is nice if you like fancy formatting

https://www.mankier.com/1/qemu

The documentation pages for FreeBSD include manual pages, for example

https://man.freebsd.org/cgi/man.cgi?query=hcreate&manpath=Fr...