JSF 2.3 from Java EE 8 comes with HTTP/2 push support out-of-the-box. In this 3 minute video I created a calendar component and inspected the network traffic:
Web Apps, SPA, PWA with vanilla Java Script (ES 6+), CSS 3 and WebStandards only. As simple as possible, but not simpler. See you at: (Progressive) Web apps, Single Page Apps and WebStandards airhacks workshops at MUC airport, Winter Edition
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