#Referrer

A Google Search help page lists the referrer values Search traffic sends, why some visits arrive with none, and why counts differ from Search Console.

Fake aocr.org referrals are appearing across websites. Learn what the evidence reveals about a likely ByteDance crawler stack and how to block it.

Compare Referrer-Policy values, see how full URLs leak in Referer headers, and set a safe default with curl checks plus a browser verification workflow.