Prestashop, Conversion ratio, Return form and much more

Profile We are looking for 1 independent freelancer for long term cooperation. Not a business/organisation. We also look for transparancy and good english speakers. Listen and give advice. A few things has to be done, in order to level up the user (mobile) experience. Mobile experience 1 > images, videos, tables and such has to be auto adjust in size (depending on the device) 2 > Show high quality images without interupting the pagespeed 3 > Improve conversion ratio 4 > Design improvement. Give us new ideas (position, color, central points, psyichology) Desktop experience 5 > Improve conversion ratio. Give us new ideas 6 > Design improvement. Give us new ideas (position, color, central points, psyichology) Template 7 > Move certain objects like comparison button (Product page) 8 > Add an extra tab on ''my account'' page with a return form 9 > Giving customers the ability to add a promotion code to existing invoices (My account) 10 > Giving customers the ability to download their invoice when not paid yet (My account) 11 > Rearrange payment methods (Checkout) 13 > Phone number has to be required when buying or creating an account (Checkout) 14 > Make it possible to charge people a small fee when paying with PayPal or Debitcard 15 > Previous developer, turned off page cache Ultimate plug-in. This has to be activated corretly again. (Backoffice) 16 > Add Google tag Manager script in heading and body (Backoffice) 17 > Adjust image size for links in messengers and such 18 > Tell us where we can find translation for bankwire payment I will speak with you in detail trough chat. I only take freelancers serious when they fully read this project before contacting me. This is all we need. IMPORTANT: Keep pagespeed high. We are now at an average of 85. Webshop www.desfeerhaard.n