Connect Analytics + Light SEO On Page

Hello, we need someone competent in IT who can double check our analytics as it is not tracking correctly, we need it to be set up correctly as well so we can feed in ecommerce and advertising efforts to track. Further to that we need a Pinterest Tag added into the website as well. The website is on Wix, please keep this in mind.

In addition we just need someone to perform light seo on page.