1), 2) I passed the issue with the header search to our developers. But you forgot to provide FTP access. Please, send us FTP to allow our developers to check and improve the code to fix the problem.
3) I don’t see that you translated the footer https://prnt.sc/pS4SKCyJOS2g
So, translate the static block to the language you need.
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.