Fly is an Application Delivery Network (ADN). It's a global load balancer, a smart reverse proxy, a library of powerful Middleware; it's a CDN that developers like you control. With Fly, you can…

Use the Fly API and in one call generate an automatically renewing Let's Encrypt SSL certificate for any domain that you or your customers own. Thread all of your applications, backends, functions and services together atop one hostname. Unlock potent features from our Middleware library to save developer time and add value to your applications: Server-side authentication and analytics, render speed tracking, geo IP routing, the web application firewall, and more. Serve all of your traffic at blazing speeds from a relaible global delivery network with caching and HTTP/2 over SSL.

In a few clicks, your visitors will access your sites faster and more securely and your developers can weave logical magic into a powerful global edge-server network.