egoist/package-size

teardown

Find the cost of adding an npm package to your app's bundle size.

siddharthkp/bundlesize

Keep your bundle size in check

upm · A fast, tiny package manager for npm

Pure JS, tiny, zero dependencies. Try any package in your browser.

package.json | npm Docs

Specifics of npm's package.json handling

webpack

webpack bundles JavaScript, CSS, HTML, WebAssembly and assets into optimized output for browsers, Node.js, Deno, Bun and other environments.

@w1c - npmx

npm packages published by the w1c organization

iamakulov/awesome-webpack-perf

A curated list of webpack tools for web performance

npmx - Package Browser for the npm Registry

a fast, modern browser for the npm registry. Search, browse, and explore packages with a modern interface.

Who do npm users depend on?

A new way to look at npm data to find who we depend on the most.

atpkgs

Atpkgs is compatible with the NPM Registry API, so it works with most Node.js package managers.

The secure way to release an npm package in 2026—Martian Chronicles, Evil Martians’ team blog

How to protect your npm package from being stolen in a supply chain attack and improve its position in security ratings

webpack/analyse

analyse web app for webpack stats

Popular npm Packages in the keyv and Cacheable Namespaces Co...

Popular npm packages keyv and cacheable compromised.

WICG/webpackage

Web packaging format

Yarn: A new package manager for JavaScript

Visit the post for more.

npmchart

Download trends, releases, and repository activity for any npm package