Scalebrowser Blog
Challenges · Sep 25, 2026 · 4 min readreCAPTCHA v3 score test: why a 0.9 on a demo means little
We read reCAPTCHA v3 scores on Google's demo and on a fresh key: 0.9 for every browser, even without mouse movement. Plus the token trap that fakes a 0.3.
Stealth tools · Sep 25, 2026 · 6 min readStealth browsers for automation: 7 free tools compared
nodriver, Patchright, Camoufox, CloakBrowser, playwright-stealth, undetected-chromedriver and the Puppeteer plugin: what each changes and how current it is.
Measurements · Aug 1, 2026 · 5 min readCanvas noise and mouse tremor: why adding noise is the tell
We added noise to hide two browser signals, canvas pixels and pointer paths. Both times the noise itself gave us away. The numbers, and what replaced it.