Puppeteer vs Playwright

Compare Google's Puppeteer and Microsoft's Playwright — two browser automation frameworks commonly used for both legitimate testing and unauthorized scraping.

Vendor
Google
Microsoft
UA Patterns
HeadlessChrome, headlesschrome
Playwright, HeadlessChrome/
robots.txt
Respects robots.txt
Respects robots.txt
Description
Google's headless Chrome automation library commonly used for scraping.
Microsoft's browser automation framework for testing and scraping.
Sessions
165

Analysis

Puppeteer (Google) and Playwright (Microsoft) are the two dominant browser automation frameworks. Puppeteer typically reveals itself via "HeadlessChrome" in the user-agent string, while Playwright has no distinctive UA signature. Both set the navigator.webdriver flag by default, which Switch uses for detection.

Playwright supports cross-browser (Chromium, Firefox, WebKit) while Puppeteer is Chrome-only. Both are increasingly used as infrastructure for AI browser agents, making detection important for managing automated traffic.

When to manage Puppeteer

Puppeteer is easier to detect via UA strings. Use Switch Content Gate for aggressive Puppeteer-based scraping.

How to block Puppeteer

When to manage Playwright

Playwright requires behavioral detection since it lacks distinctive UA markers. Switch's automation flag detection is effective against default Playwright configurations.

How to block Playwright

Manage both with Switch

Switch detects Puppeteer, Playwright, and 40+ other AI agents in real-time. Build custom journeys for each — block, challenge, serve markdown, or redirect. Five-minute setup, no server changes.

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