Migrate Magento 2 websites to new server

This project is for Migration of all domains on one server to go to new better server.

Also to advise on best server upgrade possible for our domains.

One of our Magento 2 Websites with bespoke bed design module, see here:

https://www.aristaliving.com/beddesign

We are presently hosted on https://1and1.co.uk

VPS: Operating system :CentOS 7

Plesk Onyx (64-bit)

7 active domains on server

Problems

– Gateway Timeout 504 on a regular basis.

– Confirmation Email going to spam

– Slow to load (sometimes)