Wordpress e-commerce site speed optimization

I have a very slow e-commerce website that i built with woocommerce , i need speed optimization service for home page and archives pages ( shop pages ) . I already have a CDN , cloudfare and litespeed catch installed , but no effect.
Please find attached the screen shots for the gtmetrics report.
Website links :
- home page : https://medico-store.com/
- most visited archives page ( and the lowest in download speed ) : https://medico-store.com/collection/medical-uniforms/scrubs/