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CI Package Manager CI Web site neostandard javascript style CII Best Practices

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TL;DR

  • Fastify is a fast and low overhead web framework for Node.js.
  • This package shows how fast it is compared to other JS frameworks: these benchmarks do not pretend to represent a real-world scenario, but they give a good indication of the framework overhead.
  • The benchmarks are run automatically on GitHub actions, which means they run on virtual hardware that can suffer from the "noisy neighbor" effect; this means that the results can vary.
  • 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 Mar 24 2025 01:56:05 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
bare v20.19.0 ✗ 47893.6 20.39 8.54
0http 4.2.0 ✓ 46811.2 20.87 8.35
fastify 5.2.1 ✓ 46303.2 21.09 8.30
connect 3.7.0 ✗ 45891.2 21.28 8.18
polka 0.5.2 ✓ 45428.8 21.52 8.10
server-base-router 7.1.32 ✓ 45293.6 21.57 8.08
server-base 7.1.32 ✗ 44983.2 21.74 8.02
rayo 1.4.6 ✓ 44164.0 22.15 7.88
micro 10.0.1 ✗ 43633.6 22.42 7.78
polkadot 1.0.0 ✗ 43386.4 22.56 7.74
connect-router 1.3.8 ✓ 43320.8 22.58 7.73
h3 1.15.1 ✗ 42842.4 22.84 7.64
micro-route 2.5.0 ✓ 42415.2 23.07 7.56
adonisjs 7.5.0 ✓ 42053.6 23.28 7.50
hono 4.7.5 ✓ 40933.6 23.91 6.71
h3-router 1.15.1 ✓ 40916.0 23.94 7.30
restana v5.0.0 ✓ 37392.6 26.24 6.67
koa 2.16.0 ✗ 36922.6 26.59 6.58
take-five 2.0.0 ✓ 35735.0 27.47 12.85
koa-isomorphic-router 1.0.1 ✓ 34601.6 28.39 6.17
restify 11.1.0 ✓ 33977.4 28.93 6.12
koa-router 13.1.0 ✓ 33313.2 29.51 5.94
hapi 21.4.0 ✓ 32294.2 30.46 5.76
microrouter 3.1.3 ✓ 29519.6 33.37 5.26
fastify-big-json 5.2.1 ✓ 11884.0 83.60 136.74
express 5.0.1 ✓ 10156.6 97.85 1.81
express-with-middlewares 5.0.1 ✓ 9077.6 109.53 3.38
trpc-router 10.45.2 ✓ N/A N/A N/A