How to optimize slow site?
We see that none of the caching and site improvement tools are used on your websites, so the site optimization itself is not at its best.
You can set that up and activate it by yourself from the
1) Journal - System - Settings - Performance
2) System - Tools - NitroPack
Or, we are working on a tutorial to include the best parameters that should be activated so you can wait a bit for it to follow and apply.