[cesarb]

> I know a server can host many web pages, but this requires the port, which cannot be encrypted either

You can host multiple web sites in the same port since the 1990s, using name-based virtual hosts (https://en.wikipedia.org/wiki/Virtual_hosting#Name-based). It's rare nowadays to use a port other than 80 (for http://) or 443 (for https://) for public web sites.

[bandie91]

yes you CAN if you wish of course. on the other hand nowadays 95% of domains on the Internet can be identified by IP[1][2]. so ISPs still have a pretty good guess what sites do you visit even without DNS or SNI data.

[1] https://blog.powerdns.com/2019/09/25/centralised-doh-is-bad-...

[2] https://blog.apnic.net/2019/08/23/what-can-you-learn-from-an...