You should think about using a CDN for your app when it's getting popular, especially if you have a lot of

hey folks, ive been thinking about performance lately and specifically about how we deliver static assets. were seeing increased load on our origin servers and latency for users far away. a content delivery network seems like the obvious next step, but what are the key indicators that tell you its time to invest in a CDN? is it purely based on traffic volume, geographic distribution of users, or are there other architectural factors to consider before pulling the trigger?