Get your web app extremely fast by optimizing it outside of the app itself. If done right, it’s possible to reduce your loading times to less than 50 ms by using a CDN in front of your app, moving some kind of code into JavaScript, setting the right headers, and using localStorage.
I gave this talk at RubyConf Philippines (http://rubyconf.ph) and RUG-B (http://www.rug-b.de).
Video recording: https://www.youtube.com/watch?v=V7ul3yIhz4o&index=8&list=PL0mVjsUoElSHRZWXz3VPo0vRUm75hNP7j
Follow me on Twitter for updates about speed, Ruby, design, CSS and Sass as well as living style guides: https://twitter.com/hagenburger