The X-Clacks-Overhead Header: A Digital Tribute to Terry Pratchett
2025-07-05
The X-Clacks-Overhead HTTP header, inspired by Terry Pratchett's Discworld novels, is a subtle tribute to the late author. Inspired by the fictional 'Clacks' network, websites silently transmit 'GNU Terry Pratchett' in their headers, similar to how a character in Pratchett's *Going Postal* used the Clacks to perpetuate his son's memory. Major sites like Mozilla, Debian, and Xml.com participate, keeping Pratchett's legacy alive on the internet.