express 5.2 benchmark results

express 5.2 is a javascript web framework. At concurrency 64 it serves 86 089 requests per second with a P50 latency of 0.67 ms, ranking 213 of 358 overall and 43 of 63 among javascript frameworks.

Language: javascript ES2019
Framework version: 5.2
Website: https://expressjs.com
Open in the interactive charts: compare express

All measured metrics for express 5.2, by concurrency level.
Metric	Concurrency 64	Concurrency 256	Concurrency 512
Requests / second	86 089	82 716	81 514
P50 latency	0.67 ms	2.66 ms	3.09 ms
P75 latency	0.81 ms	3.11 ms	3.61 ms
P90 latency	1.09 ms	3.25 ms	3.77 ms
P99 latency	2.05 ms	3.93 ms	4.21 ms
P99.999 latency	7.30 ms	8.03 ms	9.03 ms
Average latency	0.74 ms	2.61 ms	2.94 ms
Minimum latency	0.07 ms	0.22 ms	0.22 ms
Standard deviation	0.36 ms	0.63 ms	0.76 ms
Total requests	1 291 446	1 241 013	1 223 113
Bytes received	228.24 MB	219.33 MB	216.17 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

Rank

Position of express on requests per second.
Concurrency	Overall	Among javascript frameworks
64	213 of 358	43 of 63
256	208 of 358	43 of 63
512	210 of 358	43 of 63

Other javascript frameworks

Fastest javascript frameworks at concurrency 64.
#	Framework	Requests / second	P50 latency	P99 latency
1	nhttp 2	179 708	0.33 ms	0.56 ms
2	elysia-bun 1.4	178 846	0.32 ms	0.60 ms
3	sifrr 0	174 175	0.32 ms	0.50 ms
4	mesh 0.8	173 717	0.27 ms	0.48 ms
5	vixeny-deno 0.1	173 367	0.32 ms	0.52 ms
6	uwebsockets 20.58	172 563	0.33 ms	0.51 ms
7	fulmine 5.18	172 187	0.31 ms	0.55 ms
8	hono-deno 4.13	170 810	0.32 ms	0.53 ms
9	routejs-uwebsocket 3	167 115	0.30 ms	0.49 ms
10	morojs 1.8	165 567	0.33 ms	0.49 ms

All 63 javascript frameworks