CloudFlare workers handle http requests & overwrite responses on the fly. Use it to overwrite robots.txt file to prevent crawlers on your self-hosted instances
Shopify doesn't have a section to edit tags once you create them. This tutorial will help you edit, modify or delete them completely off your shopify store.
CloudFlare Pages brings generous deployment benefits to Static Website Generators with more build capacity. Learn how to build/move the netlify themes over