I'm the developer of the site. ...My customer has zero knowledge about technology behind the screen. Why it matters which platform is used to deliver the HTML.? I built the site as requested and got paid for what we agreed with....
The seo company don't know how to use nopcommerce, they want my customer to get rid of me and the site I built entirely....
No worries, actually it's absolutely typical "normal" situation... But U didn't mention who in charge of content/SEO of the site. So I'd say the SEO on your site is almost/just horrible... 1. no descriptions for any pages 2. Bad H1, H2, and etc. 3. I've visited https://developers.google.com/speed/pagespeed/insights/?hl=eng and checked your site
- First Contentful Paint
- Speed Index
- Largest Contentful Paint
It should have been fixed before...;).