Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Cloudflare Workers is a serverless execution environment that allows you to create entirely new applications or augment existing ones without configuring or maintaining infrastructure.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
IPinfo is an IP address data provider.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.