Size Limit CLI Tool

Size Limit is a performance budget command-line interface (CLI) tool for JavaScript projects, designed to prevent web performance regressions. It integrates into CI/CD pipelines (like GitHub Actions, Travis CI, Circle CI) to automatically check bundle size against predefined limits on every commit or pull request. The tool supports ES modules and tree-shaking, providing modular plugins to adapt to various project setups, from large applications to small npm libraries. Rather than just raw bytes, it can calculate the estimated download and execution time for end-users, incorporating all dependencies and polyfills. The current stable version is 12.1.0, with an active release cadence involving frequent patch and minor updates, and major versions released as necessary for breaking changes or significant feature additions.