Best npm end-to-end testing tools
Tools that test an application through a real browser. playwright leads with about 165M real installs a week, followed by puppeteer with about 15.3M.
| package | real installs / week | npm / week | noise | last release | confidence |
|---|---|---|---|---|---|
| 1. playwrightA high-level API to automate web browsers | 165M | 165,327,020 | under 1% | Nov 2026 | high |
| 2. puppeteerA high-level API to control headless Chrome over the DevTools Protocol | 15.3M | 15,299,037 | under 1% | Oct 2026 | high |
| 3. cypressCypress is a next generation front end testing tool built for the modern web | 7.83M–7.84M | 7,839,384 | under 1% | Oct 2026 | high |
| 4. webdriverioNext-gen browser and mobile automation test framework for Node.js | 3.31M–3.32M | 3,317,555 | under 1% | Nov 2026 | high |
| 5. selenium-webdriverThe official WebDriver JavaScript bindings from the Selenium project | 2.08M | 2,083,342 | under 1% | Oct 2026 | high |
| 6. testcafeAutomated browser testing for the modern web development stack. | 219K–220K | 220,414 | under 1% | Oct 2026 | high |
| 7. nightwatchEasy to use Node.js based end-to-end testing solution for web applications using the W3C WebDriver API. | 138K–139K | 138,964 | under 1% | May 2026 | high |
Ranked by real installs. That measures use, not quality: read the notes below before choosing. Mirror spikes and crawlers removed. CI and dependency installs still count, so this is not a head count. Noise: the share of npm's count that mirror spikes and crawlers account for. What remains still includes CI and dependency installs. Rows are refreshed in rotation, the oldest here on Nov 6, 2026.
How do they differ?
Playwright drives Chromium, Firefox and WebKit from one API. Cypress runs inside the browser and is known for its interactive runner. Puppeteer is a browser automation library more than a test runner. Selenium WebDriver suits teams that need the W3C WebDriver protocol across several languages.