No need for CDN, if the connection is already setup and the server supports HTTP2 the files can be sent in parallel. TCP and SSL handshake back-n-forth will lik

No need for CDN, if the connection is already setup and the server supports HTTP2 the files can be sent in parallel. TCP and SSL handshake back-n-forth will likely eat up the initial Atlantic latency. Also static content can be cached on the user device. And serving static content is well optimized in most web servers, so you do not need beefy hardware.