ReactFoo 2017

A conference on React

Anup Kumar


Introduction to Preact - small, fast react alternative

Submitted Aug 23, 2017

Some of you might have heard about preact and may have even played around with it. Let’s dig a little deeper and explore the factors that make preact awesome. We will look at the advantages of preact over react, how easy it is to get up and running a project using preact-cli.


Preact is a 3KB alternative to React with the same API. It’s also one of the fastest Virtual DOM libraries out there, thanks to a simple and predictable diff implementation.

This talk will walk you through all the things that make preact awesome.

Here’s a brief outline of the talk:

  1. What is Preact?
  2. Advantages of preact over react
  3. What makes preact different from react?
  4. How to swap a project from react to preact
  5. Using preact-compat for compatibility between preact and react
  6. Getting started with preact (bootstrapping a project)
    6.1) Introduction to Preact-CLI
    6.2) Main features of preact-cli
    6.3) A small demo using preact-cli and testing using lighthouse.

Speaker bio

Anup is a JavaScript fanboy. He is a front-end developer at IBS Unified and core contributor to Preact CLI. While he is not reviewing the PRs and drafting releases, he builds PWA’s with Preact and loves taking photos.


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