Testing Mobile: Emulators, Simulators And Remote Debugging | Smashing Magazine
"In this article, we’ll explore a variety of emulators and simulators that you can use for quick and easy testing. Then, we’ll look at remote debugging tools, which enable you to connect a desktop computer to a mobile device and leverage a rich debugging interface."
How a new HTML element will make the Web faster | Ars Technica
"That problem is images. As of August 2014, the size of the average page in the top 1,000 sites on the Web is 1.7MB. Images account for almost 1MB of that 1.7MB."
Grid by Example
"In order to learn how Grid works I’ve put together lots of small examples, and I am publishing them here as a resource for anyone else interested in this emerging specification."
Solved By Flexbox — Cleaner, hack-free CSS
"This site is not another CSS framework. Instead, its purpose is to showcase problems once hard or impossible to solve with CSS alone, now made trivially easy with Flexbox."
A feature history of the modern Web Platorm
"When and where selected new Web-platform features were first specified, post-HTML4 and post-CSS2.1."
Centering in CSS: A Complete Guide | CSS-Tricks
"there so many different ways of doing it, depending on the situation, it's hard to know which to reach for."