How important is scalability? Very important!
Since we are hosting scripts that are user by thousands of websites (you can still host it yourself), it is important to deliver code quickly and super reliably. This is why we have switched to Amazon Web Services (AWS) to deliver content. AWS is one of the most reliable content delivery networks and it will ensure scripts are always available for you.
Some other parts of updated server arhitecture include:
Load balancers - highly available, fully-managed service that distribute incoming traffic across infrastructure to increase Cookie-Script availability.
Scalable servers - can be copied and scaled up if necessary. If one goes down, other server takes the requests and service keeps working without interruptions.