It would be helpful if we could set a Start Page for each site we have access to on the Tableau Server.
----> Community Manager Update: This idea was 'Released' with 2019.2 release of Tableau
Special thanks to Sean Li and team for their hard work on this feature - and thank you to everyone who commented and voted!
Download the latest version of Tableau here: Tableau Desktop | Tableau Software
-- Amanda Boyle, Tableau Community Manager