Aha! Thanks, I think I may have occasionally seen that out of the corner of my eye, but never really noticed it. 

So that's how people are finding onion addresses!

Signal312

privacy

Mempool.space - should Tor be used, for looking at specific transactions?

Privacy-aware websites include this HTTP header:

```
Onion-Location: http://mempoolhqx4isw62xs7abwphsq7ldayuidyx2v2oethdhhj6mlo2r6ad.onion/

```

Privacy-aware web browsers will acknowledge this header and add this to the URL bar when you visit the site on clearnet.

![onion site availible](https://i.stack.imgur.com/VYtfP.png)

Click the "purple" button to enter The Onion.

Tor Browser, Mullvad Browser, Brave Browser, etc.