Lighthouse

partytownTypeScript

Relocate resource-intensive third-party scripts off the main thread and into a web worker to improve site performance.

WPO

A curated list of Web Performance Optimization (WPO) resources including tools, articles, books, and talks.

LighthouseJavaScript

Automate running Lighthouse audits for every commit, track performance metrics, and prevent regressions in CI/CD pipelines.

Docs - Last Painted Hero - WPTPHP

An open-source web performance testing platform for measuring and analyzing website speed and user experience.

PSIJavaScript

A Node.js CLI and library for running Google PageSpeed Insights performance tests with formatted reporting.

PSIJavaScript

A Node.js module for running Google PageSpeed Insights performance tests with formatted reporting.

is-website-vulnerableJavaScript

Scans websites for publicly known security vulnerabilities in frontend JavaScript libraries using the Snyk database.

pwa-starterTypeScript

An opinionated starter template for building production-ready Progressive Web Apps with best practices included.

Run Lighthouse in CI using GitHub ActionsJavaScript

A GitHub Action for running Lighthouse audits and performance tests with Lighthouse CI in your CI/CD pipeline.

Progressive Web MetricsTypeScript

A CLI tool and library for gathering performance metrics via Lighthouse, with features for CI and result tracking.

Which third party scripts are most excessiveJavaScript

A dataset and npm module quantifying the performance impact of third-party scripts across the web, categorized by entity.

PageSpeed Metrics

A curated list of web performance metrics, tools, and concepts for measuring page speed and user experience.

LCP

A curated list of web performance metrics, tools, and concepts for measuring page speed and user experience.

FCP

A curated list of web performance metrics, tools, and concepts for measuring page speed and user experience.

Runs Lighthouse and posts results to PRs and SlackTypeScript

A GitHub Action for running automated Lighthouse audits in CI workflows with Slack notifications, S3 uploads, and PR comments.

Audit a webpage with Google Chrome's Lighthouse testsShell

A GitHub Action for running Google Lighthouse audits on webpages to test performance, accessibility, SEO, and more.

Web Performance Budget

A curated list of articles, tools, and case studies for implementing web performance budgets.