Referer reality
Summary
The article argues that the Referer header is often unreliable for tracking web traffic because many clicks come from emails or apps that do not send the header. It introduces the author's use of a custom UTM parameter to reveal link provenance in outgoing URLs, framing it as digital etiquette and traceability. It also notes the author's stance of not collecting analytics and references a real-world example with Abrams Planetarium.