WebGL Extension Lie

Detection approach

WebGL supports fewer than 20 extensions. Genuine Chrome on desktop exposes 30-50 extensions. Fewer than 20 indicates a stripped-down headless context or software renderer.

How this helps detect bots

This signal is assessed with other independent session, browser, and network evidence. A single anomaly is a lead, not a verdict; corroborating anomalies make automated traffic more likely.

Legitimate traffic to consider

Users with low-end graphic interfaces, older browsers, or custom WebGL blocks.