S F E R S I Z E ( K B ) O F A L L R E S P O N S E S F O R A S I N G L E W E B S I T E H T T P A R C H I V E S TA T S 0 550 1100 1650 2200 October 2012 October 2013 October 2014 October 2015 All Top 100
• Express handles HTTP request • Hands off to React Routing • React views hydrated using Alt + Iso • Derived data HTTP requests occur server-side • Required style rules gathered and inlined • Interactive page in less than 1s
T I M I N G S Connection Speed Time To Interactive Regular 2G (250 Kbps) ~3 Seconds Good 2G (450 Kbps) ~1.6 Seconds Good 3G (1 Mbps) ~0.5 Seconds Regular 4G (4 Mbps) ~0.4 Seconds Lte ~0.2 Seconds Using iPhone LTE hotspot in Chicago after passing through a Wi-Fi extender to simulate a router in a home, hitting a DO droplet in New York.