You don’t authenticate, nor do you have to pass any sensible, personal data to view it.
I don’t log hits, I don’t know about you having visited it.
I don’t sell, you don’t buy at this place - everything is free like the meaning of free beer.
That’s why it doesn’t have a certificate that costs my money.
That’s why it can be viewed using the http protocol.
That’s why it doesn’t serve the https protocol.
I hope that’s all right for you!