The ones I know of:
ads.txt humans.txt robots.txt security.txt
This site makes use of robots.txt and humans.txt. I don’t need
ads.txt because 3rd-party ads aren’t currently running on the site, and
security.txt seems not necessary as the site’s contact form is easy enough for anyone to find.
I’m guessing there are other “little text files” out there, but I am super busy building a bookstore subdomain for the site with every spare minute. So for now I’ll post the files that I’m aware of; I’m sure in time more will be found and added to the list.
Also: how are people referring to these files? Surely there is something better than “all the little dot-text files you can put in the root directory of your website”.
Eventually there will be all sorts of these little text files. Anyone can start a text file thing. Like
contact.txt for contact information. Or
help.txt for support. It could even go beyond site meta and do like