webpack-bundle-analyzer is a plugin and CLI tool that visualizes the size of webpack output files with an interactive zoomable treemap. This helps identify modules that contribute the most to the bundle size, enabling optimization strategies like code splitting and dependency pruning. It's crucial for improving website performance by reducing loading times through minimized asset sizes. The tool facilitates informed decisions regarding dependency selection and configuration within your webpack project.
The webpack-bundle-analyzer package had frequent releases from 2016 to 2019, peaking in November 2016. Release frequency decreased significantly after 2019. There were very few releases between 2020 and 2024. No releases have been made in the first eight months of 2025.
Webpack-bundle-analyzer downloads show a general upward trend. Starting around 24.6 million in March 2024, downloads fluctuate monthly, reaching a peak in July 2025 at nearly 33 million. August 2025 saw a slight decrease, with September 2025 incomplete as of today.