Correct Bugs on my Open Cart Web Site - (WEB SITE CORRECTION - PART ONE)

HELLO, WE HIRED A FREELANCER TO SPEED UP OUR WEB SITE WITCH HE DID GREAT. BUT AFTER DOING IT, WE NOTICE MULTIPLES BUGS BUT THE MAIN ONE IS THAT WHEN WE DO ANY UPDATE VIA OUR OPEN CART PLATFORM, THE WEBSITE DOES UPLOAD ITSELF. PLEASE SEE OTHER BUGS TO CORRECT. WE CAN ACCEPT A HOUR RATE PROPOSAL. THIS IS PART ONE OF MULTIPLE PROJECTS THAT WILL HAPPEN FOR SAME SITE SO WE NEED A RELIABLE PARTENER THAT WILL HELP US IN THE FUTUR. THANKS [login to view URL] [login to view URL] __________ WEBSITE ANALYSIS—BUGS TO CORRECT ((1)) MAIN BUG: All changes done trew OPENCART CMS are not updated on the web. 2/ Banners don’t adapt themselves to the size of the page The link of the banner « Jantes de tous types » is not aligned with the ones of the other banners 3/ The category « SPÉCIAUX » is missing We created the opencast category « SPÉCIAUX » and it doesn't appear on the website even if is correctly created in Opencart 4/ The photo of the ZTR20 products doesn’t appear The photo was correctly download and used to appear well but now it seems to have disappeared since the modifications were done 5/ The link takes a incredibly long time to open itself Even with the modification, the page still takes a very long time to open itself 6/ It takes a long time between the moment you click to remove the product from the cart and the moment it is actually removed 7/ Opening hours don ‘t adapt themselves to our hours on Google 8/ One category with our stock is supposed to be there (article en promo) but the category is empty when we entered the products in Opencart