Enable onion service for our webpages, with Onion-Location header (a.k.a. the purple pill)
Tor Browser has enabled support for the Onion-Location headers, so now you get a nice purple indicator on the address bar when a webpage advertises an onion address with a header, as shown here:
You can also configure Tor Browser to automatically open the onion location when advertised, but I tried it and it is a bit weird and you cannot copy the fqdn, which makes it very confusing, so I took it out after trying for a bit.
It would be nice to have our websites advertise an onion address this way.
The instructions are here: