I have to say I'm impressed. Even with http-parser-js it's still faster than the native Node.js http.

undici x 20,826 ops/sec ±1.70% (87 runs sampled)
Fastest is undici

Benchmark source code

'use strict';
const Benchmark = require('benchmark');
const {Client} = require('undici');

const suite = new Benchmark.Suite();

const client = new Client('https://localhost:8081', {
    tls: {
rejectUnauthorized: false
    }
});

const options = {
    path: '/',
    method: 'GET'
};

// Benchmarking
suite.add('undici', {
    defer: true,
    fn: async deferred => {
        const {body} = await client.request(options);
        body.resume();

        body.once('end', () => {
            deferred.resolve();
        });
    }
}).on('cycle', event => {
    console.log(String(event.target));
}).on('complete', function () {
    console.log(`Fastest is ${this.filter('fastest').map('name')}`);
}).run();

The fun fact is that it's even faster than the native HTTP2 implementation:

http2 x 16,172 ops/sec ±1.21% (85 runs sampled)
https - keepalive x 13,158 ops/sec ±2.88% (78 runs sampled)

Uh oh!

Use llhttp through wasm #22

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