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Use a system like Fastly.com to quickly and easily easily use the reverse proxy to you make your subdomains into sub folders. So shop. Becomes /shop you can do this using Fastly or “CloudFlare workers” can do it or other reverse proxies you can simply create the subdomains as you have been doing and then we route them through the reverse proxy to a sub folder it will not be hard work once it’s installed. outside of doing that interlinking and using canonicals but you’re never going to actually catch up to using some folders unless you institute a reverse proxy https://twitter.com/randfish/status/955933680416931840?s=21 look at The first response from Rand https://moz.com/community/q/the-great-subdomain-vs-subfolder-debate-what-is-the-best-answer https://www.portent.com/blog/seo/subdirectories-vs-subdomains-for-2019-and-beyond.htm my friend John has a lot of good examples https://www.getcredo.com/subdomain-vs-subdirectory-whats-best-for-seo/ https://www.searchenginejournal.com/subdomains-vs-subfolders-seo/239795/ https://blog.cloudflare.com/subdomains-vs-subdirectories-best-practices-workers-part-1/ Hope I was of help, TOM