Google can see if a visitor’s browser environment (fonts, plugins, screen resolution) is consistent with a real device or a "headless" automated browser. Safe and Effective Alternatives to Traffic Bots
via proxies or VPNs to appear as if they are coming from various global locations. best-traffic-bot-for-adsense
Google keeps a massive database of known data centers, VPNs, and proxy servers. Traffic coming from these sources is immediately flagged. Google can see if a visitor’s browser environment