By default, automated browsers set this property to true , instantly revealing them as bots. 3. Chrome Property Leakage
Passing the sannysoft test requires a multi-layered approach to masking your browser. 1. Use selenium-stealth (Python)
Designation:
Yes, but only if you are willing to accept the harsh truth. If your site relies heavily on JavaScript or complex user-agent sniffing, bot.sannysoft will tell you if you’ve broken the bridge between your content and the world’s largest search engine.
Modern websites use advanced fingerprinting to block automated scripts. They look for specific browser inconsistencies to separate humans from bots. bot.sannysoft
// add stealth plugin and use defaults (all evasion techniques) const StealthPlugin = require('puppeteer-extra-plugin-stealth'); puppeteer.use(StealthPlugin());
If you pass fully, your bot looks very human-like to basic detection scripts. By default, automated browsers set this property to
When using undetected-chromedriver , most tests on bot.sannysoft will show green—because the driver patches navigator.webdriver , fixes viewport inconsistencies, and spoofs permissions.