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How Browsers Work

@varbear ・ Jan 13,2026

An interactive open-source guide breaks down browser internals with slick, step-through models covering DNS resolution, TCP handshakes, and HTML parsing. It walks through the browser's sequential pipeline - from URL to DOM - blending protocol deep-dives with hands-on visuals you can poke at.

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FAUN.dev() is where engineers from GitHub, Netflix, and Shopify go to stay ahead — fast.

An effortless, straightforward way to keep up with technologies...so you can keep your tabs closed and your mind open!
70,000+ developers already joined our ecosystem ⭐⭐⭐⭐⭐
Trusted by developers at
Google • Microsoft • AWS • Netflix
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