Javascript

Angular.js

Angular.js advantages over jQuery

10 common mistakes Angular.js developers do

CSS

Understand flexbox

ES6

Deep dive inte ES6 arrow functions

Get started with ES6 and Babel

General

How to bundle Javascript modules

Use CSS variables in Chrome

Optimizing images for the web

Front-end optimization trade-offs

React.js

How to be productive in React.js within a week!

9 things every React.js beginner should know

Responsiveness

Get responsive tables to behave!

LINK.