You can access the archived version: https://web.archive.org/web/20210506194445/https://vivaldi.c...

The short version is: they get money from things like search engine deals, which guide Vivaldi users to third-party services.

The ad blocker is also set up to allow ads that support vivaldi by default.

It did work before we killed it. HN (and other news sites) hugged the Vivaldi site to death :-D

Seems like the website was hugged to death...