Having correct cache headers helps as well, as a single visitor probably comes back to the page fairly often, or visits another page with shared assets. It's s

Having correct cache headers helps as well, as a single visitor probably comes back to the page fairly often, or visits another page with shared assets. It's surprising how often some things that should be cached come back with headers that make it uncacheable by the browser. KeyCDN has a pretty comprehensive guide: https://www.keycdn.com/blog/http-cache-headers https://www.keycdn.com/blog/http-cache-headers