server-timing

server-timing

This module adds Server-Timing to response headers. Example is here and open chrome devtool network tab.

You can use this as a express module / basic http function.

Install

$ npm install server-timing -S

Usage

const express = require('express')
const serverTiming = require('server-timing')

const app = express()
app.use(serverTiming())

app.use((req, res, next) => {
  res.setMetric('db', 100.0, "Database metric");
  res.setMetric('api', 200.0, "HTTP/API metric");
  res.setMetric('cache', 300.0, "cache metric");
  next();
});

Result