It would be cool to be able to display time of day usage statistics. Maybe partner with another company that has an app. For example, there is a map here:
https://teslalogger.de/suc-map.php
You can click on a location to see how busy the location is and stalls available:
https://teslalogger.de/suc-stat.php?suc=700
If you could use that data or link from your site to theirs?