Web Test Runner

Test runner for web applications.

👉   Headless browsers with Puppeteer, Playwright, or Selenium.
🚧   Reports logs, 404s, and errors from the browser.
🔍   Debug opens a real browser window with devtools.
📦   Mock es modules using Import Maps.
🔧   Exposes browser properties like viewport size and dark mode.
⏱  Runs tests in parallel and isolation.
👀   Interactive watch mode.
🏃   Fast development by rerunning only changed tests.
🚀   Powered by esbuild and rollup plugins

Check out this step by step guide to get started.

See our website for full documentation.