Improvement of Shopify website -- 2

We need to improve functionalities of website in Shopify like:
- Speed of web;
- Landing page more sensitive to first click;
- Incorporation of new designs/creativities in website;
- Improve mobile version;
- Addition of new products in website;
- Reorganising products path;
- Creation of answer email templates;
- Creation of automatic email notifications for new published posts.

https://www.sweetheaven.es/