Home > Article > Web Front-end > Why Does Headless Mode Impact Puppeteer's Functionality on Some Websites?
Why Headless Mode Can Impact Puppeteer's Functionality
Puppeteer, a powerful tool for web scraping, by default operates in headless mode, meaning it executes tasks without opening a visible browser interface. However, certain websites may implement anti-scraping measures that detect headless browsers and prevent their access. This is why some users encounter issues with Puppeteer when using headless mode.
Understanding the Headless Mode Detection
Websites employ a range of techniques to identify headless browsers, including:
Workarounds to Bypass Headless Mode Detection
1. Using Puppeteer-Extra Plugins:
Puppeteer-extra offers a range of plugins that can enhance Puppeteer's capabilities. Two plugins that may help overcomeheadless mode detection are:
2. Connecting to an Existing Chromium Instance:
Instead of launching Chromium headless, you can connect Puppeteer to an already-running browser instance. This requires:
Endpoint_URL is displayed in the terminal when Chromium is launched with --remote-debugging-port=9222.
This approach involves server/ops configuration and may require additional troubleshooting.
Additional Considerations:
The above is the detailed content of Why Does Headless Mode Impact Puppeteer's Functionality on Some Websites?. For more information, please follow other related articles on the PHP Chinese website!