CSS | Javascript | SVG | Tools
- https://developers.google.com/web/fundamentals/principles/
- http://googlewebmastercentral.blogspot.it/2012/06/recommendations-for-building-smartphone.html
- Design for performance
- http://nicolasgallagher.com/about-html-semantics-front-end-architecture/
- https://dev.opera.com/articles/native-responsive-images/
- http://www.webperformancetoday.com/2014/03/18/waterfalls-101-how-to-use-a-waterfall-chart-to-diagnose-performance-pains/