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How an HTTP request lives and dies Explained

Follow one page load end to end: the DNS lookup that finds the server, the TLS handshake that encrypts the line, and the flight through CDN edge to origin and back, each shown as a live animated diagram.

Animated diagrams · 3 flows

Compare all 3

Sort by any column to find the right fit. Click a name to open its details.

DNS LookupResolver → root → TLD → authNoLow when cachedUDP 53LowTurning a name into an IP
The Request FlightClient → edge → originNoLow at the edgeHTTP/2 · HTTP/3LowDelivering the response
TLS HandshakeClient ↔ serverNo1 RTT (TLS 1.3)TCP (TLS)MediumEncrypting the connection