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Debugging the Internet: HTTP, TCP, and You
05/15/2025
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 404, 204, and even 418 (“I’m a teapot”). Throughout the conversation, they connect these protocols back to real-world implications for site owners, developers, and SEOs—like why Search Console might report network errors, and how browser or server behavior is influenced by low-level transport decisions. With a mix of humor and expertise, Gary and Martin aim to demystify a crucial part of the internet's infrastructure and remind listeners of the layered complexity that makes modern web experiences possible. Resources: Episode transcript → Listen to more Search Off the Record → Subscribe to Google Search Channel → l Search Off the Record is a podcast series that takes you behind the scenes of Google Search with the Search Relations team. #SOTRpodcast #SEO #Http Speakers: Lizzi Sassman, John Mueller, Martin Splitt, Gary Illyes Products Mentioned: Search Console - General
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