Website Performance Monitoring

A performance monitoring tool with free and premium plans

Online Website Performance Monitoring Tool
Run a Free Website Performance Test

Foo is an online website performance monitoring tool that automatically audits web pages with Google's Lighthouse. Foo is listed officially as an integration in the Lighthouse GitHub repo. We capture a variety of performance metrics and show them to you in a timeline chart. Create your own demo without registering!

  • US East (N. Virginia)
  • US West (Oregon)
  • EU (London)

Real time notifications when pages change in performance or health.



You can configure email notifications by page. Supports multiple emails!


Automatic PagerDuty incident creation and resolution. Simple configuration with a simple "integration key".


Receive Slack notifications with a couple clicks! Choose any Slack channel or direct message notifications by page.

Keeping your team on the road to success without distraction. Identify your website downtime before your users. An online website performance monitoring tool with a variety of features.

  • check_circle_outlineAutomatic performance audits every 2 hoursstar
  • check_circle_outlineAutomatic Uptime checks every hourstar
  • check_circle_outline20 manual performance runs per daystar
  • check_circle_outline100 page limit, 25 user limitstar
  • check_circle_outlineChoice of regions to monitor from
  • check_circle_outlineReal time notifications by email, Slack, or PagerDuty
  • check_circle_outlineOnline monitoring and visualizations
Numbers vary by planstar

A Demo of How to Create a Page to Performance Audit Automatically

An example of how to use Foo's website performance monitoring tool. Create a page to run audits against. Monitor performance changes over time.

For more demos and other videos - head on over to the video page.


Our public REST API is free and publicly accessible. Trigger performance audits directly through the API. Read more in our API docs.


The free account features standard website performance monitoring with no limit or catch!

About Foo

Website testing as a service is a focus of Foo. Performance and uptime monitoring, among other aspects of software engineering is at the core of this service. Foo was founded by Adam Henson, a software engineer based in New York City. Follow Adam on Medium at @adamhenson or read an introduction to Foo on freeCodeCamp, "How to analyze website performance with Lighthouse".