
How to bypass bot detection when taking automated screenshots
How to bypass bot detection when taking automated screenshots A lot of pages won't cooperate with headless browsers. You send a request, the site fingerprints the Chrome instance, decides it's automated, and returns a CAPTCHA wall or a blank white page. No error. Just silence. If you have been dealing with this using a self-hosted Puppeteer setup, you already know how the arms race plays out. You add puppeteer-extra-plugin-stealth . It works for a few weeks. Sites update their detection. You patch again. This post covers how to get clean screenshots from bot-protected pages without managing that cycle yourself. Why headless browsers get detected Sites use several signals to identify headless browsers: Navigator properties — navigator.webdriver is true in a headless Chrome by default. Detection scripts check this first. Chrome runtime fingerprint — Headless Chrome is missing plugins, has a different window.chrome shape, and reports suspicious GPU/renderer strings. Timing patterns — Real
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