Techniques to make a web app load fast, even on a feature phone How we used code splitting, code inlining, and server-side rendering in PROXX. At Google I/O 2019 Mariko, Jake, and I shipped PROXX, a modern Minesweeper-clone for the web. Something that sets PROXX apart is the focus on accessibility (you can play it with a screenreader!) and the ability to run as well on a feature phone as on a high