Preact vs React

Preact is a web framework and React is a web framework. Here's how they compare, how Tech Stack Detector detects each, and how many scanned websites use them.

Fast 3kB alternative to React.

Category
Framework
Detection signals
1
In our index
Not yet detected
Official site
preactjs.com
Learn more about Preact

JavaScript library for building user interfaces.

Category
Framework
Detection signals
3
In our index
165 websites
Official site
react.dev
Learn more about React

How Tech Stack Detector detects each

Preact

  • Script SrcPreact script source

React

  • Js GlobalReact global variables or attributes
  • Script SrcReact script source
  • Html PatternReact-specific DOM attributes

Websites using each

Frequently asked questions

What is the difference between Preact and React?

Preact is a web framework (Fast 3kB alternative to React), while React is a web framework (JavaScript library for building user interfaces). Both are Framework technologies, so they are often considered alternatives.

Can a website use both Preact and React?

Yes. Tech Stack Detector detects each technology independently when you scan a site, so a single page can report both Preact and React when both are present.

More Framework comparisons