Plain simple html-file for bootstrapping your app (loader)
- All needed CSS, JS and HTML in html-file for rendering a loading screen
- Zero Byte favicon (set it later)
- Server Push CSS
- Load (small footprint) JS booting async (test if preload)
- Load most important assets async
- Hook up routes, SPA, workers
- Update "Loading" with time consuming tasks (authentication, caching remote data etc)
- Remove loading screen