On Mon, 22 Mar 2021, qorg11 wrote:
The "Onion available" does not appear in a plain http version of a
website. But it does appear in the https version. I checked and my
website does have the onion-location header in the plain http
version. But tor browser doesn't show the button. Is this intended
behaviour? I've attatched some screenshots.
It is intended behaviour:
https://gitweb.torproject.org/tor-browser-spec.git/tree/proposals/100-onion-location-header.txt
"The webpage defining the Onion-Location header must be served over
HTTPS."