Open Source tool that helps you analyze your website speed and performance

What is

Analyze your website speed and performance based on performance best practices and timing metrics. You can run it using Docker, test your site in Chrome and Firefox and graph the metrics in Grafana. is a tool in the Website Performance Testing category of a tech stack. is an open source tool with 3.5K GitHub stars and 388 GitHub forks. Here’s a link to's open source repository on GitHub

Who uses

4 companies use in their tech stacks, including Adorama, Huddle, and Kingsmen Software.


Why developers like

Here’s a list of reasons why companies and developers use
Top Reasons
Be the first to leave a pro's features

  • Performance dashboard
  • Performance budget
  • Real browsers
  • Speed Index
  • Chrome
  • Firefox
  • WebPageTest Alternatives & Comparisons

What are some alternatives to
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