I understand that traffic to your marketplace website has been going down since October 21 and that the product page you gave is indexed without any penalties or manual a...

Can you show the issue to locate the problem in better way? What information you have provided so far requires more clarification to resolve the issue.

Win some strategic backlinks from UK sites. It will resolve this problem of disappearing from SERP.

Thank you!

It's possible that the pages are being restricted because of other issues on your website if the pages aren't specifically blocked in the robots.txt file. For instance, t...

Share new pages on socials Build quality backlinks Link new pages from index page and other relevant pages

Fix your canonical URL problem

There's is a much more cheaper way to get likes. Advertise on FB an target countries with the lowest costs.

You can't have a page where to order all products and from your landing pages a direct link to order the specific product? Would make it all much more flexible.

No, this would not be beneficial in improving ranking of your main page.