You can either use the session-wide link, persistent links, or single-use links.

Session-wide link

During testing, you can open this link in up to 1 tabs.

http://study.fabiostano.com/join/gimugalo

Persistent links

For a real session, you should use a room.

Single-use links

Below are single-use links, which you can distribute to your participants. Each link has a unique code for the participant.

P1	http://study.fabiostano.com/InitializeParticipant/3wid12kv