How to speed up site loading ?

Access rights are calculated on login.
Access rights being project based, the more projects you can mange, the longuer it takes to calculate access rights.
So, to speed up, you may :
- close old projects
- avoid using admin account when not necessay
- try and allocate used to not all projects
You can also ;
- migrate to latest projeqtor version (we always try and bring performance improvements)
- increase power of your server
- migrate to PHP 7.0