sitespeed.io Comprehensive Web Performance Analysis Toolkit

sitespeed.io is an open-source tool for comprehensive web performance analysis. It tests websites using real browsers, provides speed optimization feedback, and tracks performance over time with support for CI/CD integration and production monitoring.

Installation

Use the upstream install or setup path that matches your environment:

• docker run --rm -v "$(pwd)":/sitespeed.io sitespeedio/sitespeed.io https://www.sitespeed.io/
• npm i -g sitespeed.io

Requirements and caveats from upstream:

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• [![Docker][docker-image]][docker-url]

Basic usage or getting-started notes:

• Usage

• Basic usage

• sitespeed.io is an Open Source web performance tool. Run it once to debug a slow page and you get an HTML report with Core Web Vitals, a video of the page loading, the HAR waterfall and the Coach's advice on how to fi...

• Source: https://github.com/sitespeedio/sitespeed.io

• Extracted from upstream docs: https://raw.githubusercontent.com/sitespeedio/sitespeed.io/HEAD/README.md

Source

• Agent Skill Exchange