: Visit bot.sannysoft.com right now with your current automation setup. How many red flags do you see? Then, try the techniques outlined above and watch the matrix turn green. Share your results and favorite evasion strategies in the comments below.
like Puppeteer and Playwright. These allow a computer to run a browser (like Chrome) without a visible window, making it look almost exactly like a real person browsing the web. The Solution: Sannysoft’s Fingerprinting
import undetected_chromedriver as uc # Initialize an un-detectable instance of Chrome driver = uc.Chrome(options=options) Use code with caution. Method 3: Puppeteer and Playwright Stealth
: This is a major "bot-killer." Standard automation tools often leave a navigator.webdriver flag set to true . Sannysoft checks for this to see if the browser is being controlled by a script. bot.sannysoft
It acts like a dedicated . Before you launch your bot against a heavily protected target (like a bank or a social media site), you can run it through SannySoft to see where it might be leaking information. It’s the go-to first step for hardening your automation stack against detection from major anti-bot systems like Cloudflare and DataDome.
Enter , an open-source testing platform that has become the gold standard for verifying whether your automated browser is leaking clues about its non-human nature. What is bot.sannysoft.com?
const puppeteer = require('puppeteer');
: It is often used alongside other detection sites like Pixelscan or bot.incolumitas.com for a comprehensive audit of a browser's fingerprint.
Running browsers in "headless" mode (without a graphical user interface) is faster but makes detection easier. sannysoft helps debug which headless settings are leaking information. How to Pass bot.sannysoft (Best Practices)
It is a community-maintained diagnostic tool hosted by SannySoft. However, it is widely trusted and has been referenced in official Selenium issues and Stack Overflow solutions for nearly a decade. : Visit bot
| Use Case | Description | |----------|-------------| | | Visit bot.sannysoft.com to check if your automated browser is flagged as a bot. | | Learning evasion techniques | The page reports automation leaks (e.g., navigator.webdriver , missing plugins). | | Benchmarking | Compare different browser launch arguments and stealth plugins. |
Most automation frameworks leave "fingerprints" by default. Bot.Sannysoft looks for these common red flags: navigator.webdriver : In a standard browser, this is . In many automation setups, it defaults to , instantly identifying you as a bot. User-Agent Inconsistencies
Something went wrong with the response, but here are the most relevant results: Stack Overflow·https://stackoverflow.com Share your results and favorite evasion strategies in
For those running multiple CLI coding agents—such as Claude Code, Codex CLI, or Gemini CLI—there is even a dedicated toolkit called browser-harness-kit that wires all of them to a shared stealth Chromium. The goal is to ensure "every agent drives a real headed Chromium that passes: navigator.webdriver check, plugin/mimeType length checks, window.chrome shape, full bot.sannysoft.com matrix".