we can try crunching the images, after analyzing the website, to find what error there is, and optimize it, i'll use a script in the server files, for cache, so that websites loads quickly after the second loading ,
I've 1-2 years of experience with word press and web development,
I've complete similar projects before,
I'll complete the the project, and fix all the issues, with the site, nothing to worry about it
let me know, if I can help you