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

NPM version NPM downloads Security Responsible Disclosure Discord Contribute with Gitpod Open Collective backers and sponsors


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: v20.20.2
  • Run: Mon Apr 27 2026 01:27:04 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 v20.20.2 ✗ 70049.2 13.79 12.49
connect 3.7.0 ✗ 69912.4 13.81 12.47
frourio 1.3.1 ✓ 69905.2 13.82 12.53
fastify 5.8.5 ✓ 69491.6 13.89 12.46
polka 0.5.2 ✓ 69136.4 13.97 12.33
server-base 7.1.32 ✗ 68184.4 14.16 12.16
server-base-router 7.1.32 ✓ 68047.6 14.19 12.13
rayo 1.4.6 ✓ 67911.2 14.22 12.11
micro 10.0.1 ✗ 66304.8 14.60 11.82
connect-router 1.3.8 ✓ 64002.4 15.13 11.41
micro-route 2.5.0 ✓ 63362.8 15.29 11.30
adonisjs 7.8.1 ✓ 62975.2 15.37 11.23
polkadot 1.0.0 ✗ 60473.6 16.03 10.78
0http 4.4.0 ✓ 59743.2 16.24 10.65
restana v5.2.0 ✓ 57765.6 16.83 10.30
h3 1.15.11 ✗ 55352.0 17.57 9.87
hono 4.12.15 ✓ 54753.6 17.76 8.98
h3-router 1.15.11 ✓ 54272.8 17.93 9.68
koa 2.16.4 ✗ 53968.0 18.03 9.62
take-five 2.0.0 ✓ 52396.0 18.58 18.84
koa-isomorphic-router 1.0.1 ✓ 51585.6 18.88 9.20
restify 11.1.0 ✓ 50665.6 19.23 9.13
koa-router 13.1.1 ✓ 48724.0 20.02 8.69
hapi 21.4.8 ✓ 43778.4 22.35 7.81
microrouter 3.1.3 ✓ 43693.6 22.38 7.79
fastify-big-json 5.8.5 ✓ 12692.2 78.23 146.02
express 5.2.1 ✓ 12138.8 81.81 2.16
frourio-express 1.3.1 ✓ 12018.6 82.66 2.14
express-with-middlewares 5.2.1 ✓ 11289.0 88.02 4.20
trpc-router 10.45.4 ✓ N/A N/A N/A