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CI Coverage Status js-standard-style NPM version NPM downloads Discord


TL;DR

  • Fastify is a fast and low overhead web framework for Node.js.
  • This package shows how fast it is comparatively.
  • For metrics (cold-start) see metrics.md

Requirements

To be included in this list, the framework should captivate users' interest. We have identified the following minimal requirements:

  • Ensure active usage: a minimum of 500 downloads per week
  • Maintain an active repository with at least one event (comment, issue, PR) in the last month
  • The framework must use the Node.js HTTP module

Usage

Clone this repo. Then

node ./benchmark [arguments (optional)]

Arguments

  • -h: Help on how to use the tool.
  • compare: Get comparative data for your benchmarks.

You may also compare all test results, at once, in a single table; benchmark compare -t

You can also extend the comparison table with percentage values based on fastest result; benchmark compare -p

Benchmarks

  • Machine: linux x64 | 4 vCPUs | 15.6GB Mem
  • Node: v20.19.0
  • Run: Mon Apr 28 2025 01:35:15 GMT+0000 (Coordinated Universal Time)
  • Method: autocannon -c 100 -d 40 -p 10 localhost:3000 (two rounds; one to warm-up, one to measure)
Version Router Requests/s Latency (ms) Throughput/Mb
polka 0.5.2 ✓ 46916.8 20.82 8.37
bare v20.19.0 ✗ 46806.4 20.86 8.35
kita 1.1.36 ✓ 46433.6 21.03 8.33
rayo 1.4.6 ✓ 46003.2 21.23 8.20
connect 3.7.0 ✗ 45924.2 21.26 8.19
fastify 4.29.0 ✓ 45467.2 21.49 8.15
0http 3.5.3 ✓ 45151.2 21.65 8.05
polkadot 1.0.0 ✗ 44868.0 21.79 8.00
server-base 7.1.32 ✗ 44837.6 21.82 8.00
server-base-router 7.1.32 ✓ 44780.8 21.86 7.99
connect-router 1.3.8 ✓ 43220.8 22.63 7.71
h3-router 1.15.2 ✓ 43087.2 22.71 7.68
h3 1.15.2 ✗ 42297.6 23.14 7.54
restana 4.9.9 ✓ 40536.0 24.18 7.23
hono 4.7.7 ✓ 39636.8 24.73 6.50
koa 2.16.1 ✗ 36759.0 26.70 6.56
restify 11.1.0 ✓ 35095.0 28.00 6.33
take-five 2.0.0 ✓ 34983.0 28.09 12.58
koa-isomorphic-router 1.0.1 ✓ 34370.6 28.58 6.13
koa-router 12.0.1 ✓ 32581.6 30.19 5.81
hapi 21.4.0 ✓ 31855.0 30.89 5.68
fastify-big-json 4.29.0 ✓ 11623.6 85.47 133.74
express 4.21.2 ✓ 10842.6 91.59 1.93
express-with-middlewares 4.21.2 ✓ 10074.4 98.63 3.75
micro-route 2.5.0 ✓ N/A N/A N/A
micro 10.0.1 ✗ N/A N/A N/A
microrouter 3.1.3 ✓ N/A N/A N/A
trpc-router 10.45.2 ✓ N/A N/A N/A