Debugging the Internet: HTTP, TCP, and You

In this episode of Search Off the Record, Gary Illyes and Martin Splitt from the Google Search team dive deep into the foundations of how the web works—specifically HTTP, TCP, UDP, and newer technologies like QUIC and HTTP/3. The two reflect on how even experienced web professionals often overlook or forget the mechanics behind these core protocols, sharing insights through technical discussion, playful banter, and analogies ranging from messenger pigeons to teapots. The conversation spans key concepts like packet transmission, connection handshakes, and the importance of status codes such as …