Website Speed

We just purchased your monthly membership and we would like to make our site as fast as possible.

We have tried using some caching plugins, and tweaking the settings on Cloudflare... There has been some improvement, but not as much as we were hoping for... Also, when using those methods, some pages stopped displaying correctly and some elements are being displaced on certain devices/OSs.

Can you help us make it faster, but without damaging the design?

Thank you