Open Source tool that helps you analyze your website speed and performance
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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 4.1K GitHub stars and 491 GitHub forks. Here’s a link to's open source repository on GitHub

Who uses

9 companies reportedly use in their tech stacks, including Kingsmen Software, Quality assurance, and Company.

19 developers on StackShare have stated that they use's Features

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

What are some alternatives to
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WebSitePulse Test Tools
Free test tools to check whether specific components of your website or server are operating properly, and to find out what your end-users are experiencing at any given time.'s Followers
52 developers follow to keep up with related blogs and decisions.