I cannot answer your subcomment I believe the thread might be too deep ?
Anyway sadly no Cloudflare isn't ok, it's specifically one of the three provider that got Shopify convicted in the parent article (other two being Cloudfront and Fastly).
Anyway sadly no Cloudflare isn't ok, it's specifically one of the three provider that got Shopify convicted in the parent article (other two being Cloudfront and Fastly).