another plug for the zoom redirect plugin https://github.com/arkadiyt/zoom-redirector
And while on the topic of the web client, it turned out to be a very disappointing experience. There was no way to set focus on a given attendee; I wanted to view the host's video feed but the website kept switching feeds, seemingly haphazardly, to different attendees.
Could it be that they are limited by the number of servers that are available to them? A webrtc bridge shouldn't have a bottleneck and should perfectly scale. Who is their cloud provider?