WordPress Ecommerce Site Optimsation

We require a series of updates done to a website as per the attached document. Please review of tasks to understand scope.

The website is an eCommerce child theme from Elegant Themes. We have made a series of adjustments to lay the website architecture and now require a divi professional who can refine further as per required tasks. This does require optimization for both mobile and desktop.

Once the series of tasks are complete, there is scope to add additional tasks and continue the job further.