HTTP/2 multiplexing

  • Fix
  • Wire 04

Difficulty 1 of 5

Each page needs 120 small assets. One page starts each second on a 90 ms link. Six HTTP/1.1 connections delay the assets. Keep asset p99 below 160 ms.

0:00. Page assets wait in line. Graph: asset p99 rises far above 160 ms as each page starts.

Play level

HTTP/1.1Users120 req/sAPI server1 vCPU · 1 GB
HTTP/1.1Users120 req/sAPI server1 vCPU · 1 GB
The board at the start of the level
Connections and streamsDrag or use arrow keys to change the protocol

HTTP/1.1 · connections: 6 · 30 files in 7 round trips, 630 ms

Goals and limits

p99 latency
under 160 ms
Monthly cost
under 100 USD/mo
Edit limit
3
Traffic
120 req/s

Concepts

How players did

Player results load from the server.

All levels