When scraping websites using Playwright in headless mode, you might get blocked due to anti-bot measures implemented by the target website. These measures often detect automated browsers and block them to prevent scraping. Below are several strategies to help you avoid being blocked, along with implementation tips using Playwright in Python or JavaScript.
Websites use various techniques to detect headless browsers, such as:
- User-Agent Detection: Your browser's user-agent might indicate a headless browser.
- Browser Fingerprinting: Websites analyze browser properties (e.g., screen resolution, WebGL, plugins) to detect automation.
- Behavior Analysis: Websites may track mouse movements, click patterns, or other human-like behavior.
- IP Blocking: Frequent requests from the same IP can trigger rate-limiting or blocking.