Every time you use a website like Google or ChatGPT, your browser and a collection of backend services have a long and surprisingly candid conversation about what you asked for. That conversation sits in plain sight in the Network tab of Chrome DevTools, a single F12 away, and most people never look at it. I have spent an unreasonable amount of my time staring at this data, and want to share what I’ve learned with you.

Staring into this network abyss is what turned up a Google search exploit worth a $13,337 bug bounty. It provided actual data that gave some insight into how Google was working, including not only names of its parameters, but actual values for things such as Google’s site_quality_score , and Google’s own rq_semantic_class .…