Redux allows you to manage the state with a minimal API but completely predictable behaviour – a predictable state container for JavaScript apps. Redux is a Flux implementation but that does not use Flux. It is inspired by functional programming and immutability (Elm, Clojure) and written by Dan Abramov.

As we know, React is a library for creating user interfaces. It renders your UI and responds to events aka: the V in MVC. Because it is not as opinionated as many of other front-end JavaScript libraries, it plays nicely with your stack, whatever it maybe, Ruby, Java, Node.js or .NET.

PostCSS is a tool for transforming CSS with JavaScript plugins. These plugins can support variables and mixins, transpile future CSS syntax, inline images, and more

SMACSS stands for Scalable and Modular Architecture for CSS. It is pronounced “smacks” and introduced by Jonathan Snook.

BEM stands for Block, Element, Modifier. BEM is a stricter standard for naming CSS classes for larger projects, where standards need to be enforced. BEM helps scale your project, and add meaning to your CSS. Therefore it is valuable to understand this convention.

Interoperable CSS or ICSS is a low-level file format that enables CSS Modules, designed for loader implementers (not for end users).

A CSS Module is a CSS file in which all class names and animation names are scoped locally by default, eleminating the problems with global nature of the CSS namespace.

If you have written a search component that returns matching result as you type – you would realise that sending a request to the server on every key press is not required as that can result in burdening the server with too many requests.

Service Worker is a new browser feature which provides event-driven scripts that run independently of web pages. Unlike other workers, Service Workers can be shut down at the end of events, note the lack of retained references from documents, and they have access to domain-wide events such as network fetches.