Hello, I read your project carefully. This project is perfect for me. I'm a Professional Opencart website optimizer.
I will give you the fastest loading to 3sec maximum, 90%+ score & Well optimize on (Google page speed & Gtmetrix (Mobile + Desktop)) for permanent.
I will do this project in 6hrs.
I can optimize the speed by the rectification or removal of render-blocking JavaScript Optimize CSS & JS, Minimize redirects, Optimize images, Defer parsing of JavaScript, Minify CSS, etc...
For proof, You can check my Portfolios and Reviews for website optimization results.
You can check my previous works:- https://www.freelancer.in/u/amitars123456
Thank you for viewing my proposal and I'm looking forward to working with You!
...Service: Fastest reply, Excellent work...