HTTP server & framework benchmarks

fastify benchmark results

fastify 5.12 is a javascript web framework. At concurrency 64 it serves 80 034 requests per second with a P50 latency of 0.76 ms, ranking 190 of 383 overall and 33 of 69 among javascript frameworks.

Language: javascript ES2019
Framework version: 5.12
Website: https://fastify.dev
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Throughput, latency & reliability

All measured metrics for fastify 5.12, by concurrency level.
Metric	Concurrency 64	Concurrency 256	Concurrency 512
Requests / second	80 034	76 363	76 284
P50 latency	0.76 ms	3.42 ms	6.72 ms
P75 latency	0.85 ms	3.61 ms	6.93 ms
P90 latency	0.90 ms	3.68 ms	7.04 ms
P99 latency	1.52 ms	4.20 ms	7.64 ms
P99.999 latency	7.63 ms	20.89 ms	258.52 ms
Average latency	0.80 ms	3.35 ms	6.70 ms
Minimum latency	0.19 ms	0.10 ms	0.16 ms
Standard deviation	0.24 ms	0.77 ms	3.99 ms
Total requests	1 200 550	1 145 563	1 144 516
Bytes received	156.01 MB	149.02 MB	148.91 MB
HTTP errors	0	0	0
Request timeouts	0	0	0
Socket connection errors	0	0	0
Socket read errors	0	0	0
Socket write errors	0	0	0

Position in this benchmark

Position of fastify on requests per second.
Concurrency	Overall	Among javascript frameworks
64	190 of 383	33 of 69
256	192 of 383	33 of 69
512	192 of 383	34 of 69

Badge for your README

Show the rank of fastify in your README. The image is updated together with the results.

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[![Web Frameworks Benchmark](https://web-frameworks-benchmark.vercel.app/frameworks/javascript/fastify/badge-language.svg)](https://web-frameworks-benchmark.vercel.app/frameworks/javascript/fastify/)

Explore javascript frameworks

Fastest javascript frameworks at concurrency 64.
#	Framework	Requests / second	P50 latency	P99 latency
1	morojs-engine 1.1	281 498	0.21 ms	0.47 ms
2	morojs 1.8	279 251	0.21 ms	0.53 ms
3	uwebsockets 20.71	258 863	0.22 ms	0.59 ms
4	fulmine.js 5.21	258 434	0.24 ms	0.59 ms
5	sifrr 0	214 306	0.28 ms	0.74 ms
6	ultimate-express 2.2	206 646	0.35 ms	1.00 ms
7	elysia-bun 1.4	199 540	0.31 ms	0.68 ms
8	mesh 0.8	192 510	0.34 ms	0.80 ms
9	routejs-uwebsocket 3	176 564	0.35 ms	0.89 ms
10	morojs-uws 1.8	176 414	0.36 ms	0.85 ms

All 69 javascript frameworks