⚡ Module Bundlers

Module bundlers are development tools that combine JavaScript modules and their dependencies into optimized files for efficient browser loading.

These tools typically provide dependency graph analysis, code splitting, tree shaking to remove unused code, asset handling for styles and images, plugin-based extensibility, and development servers with hot reloading.

According to our research, module bundlers are detected on 8.7% of all websites.
99.9% of these sites use only one module bundler, 0.1% use two.

Statistics based on 3.3M+ analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the leading module bundlers in 2026, based on market share.

The most popular is Webpack, which dominates the market with an overwhelming 97.6% share.
It is followed by Rollup with 2.1% and Parcel with 0.4%.

✨ Best Module Bundlers

Below is a more detailed list of 3 module bundlers we detect, ranked by their market share.

RankNameMarket share
1
Webpack
San Francisco, California, United States

A static module bundler for modern JavaScript applications.

FreeOpen source
2
Rollup

A module bundler for JavaScript which compiles small pieces of code into something larger and more complex, such as a library or application.

FreeOpen source
3
Parcel

A build tool for the web that compiles and transpiles JavaScript, compiles Sass and Less, has CSS module support, and automatically optimizes your entire app for production.

FreeOpen source

🗃️ About This Data