Foo
Watch your site so you don't have to
Foo is an automated Lighthouse monitoring service. It runs audits on your pages on a continuous schedule and alerts you when scores slip. It monitors Performance, SEO, and Accessibility scores via Lighthouse, tracks Core Web Vitals, and provides score trend charts. Alerts are sent via Slack when scores cross a threshold. There is nothing to install on your site.
12 alternatives to Foo
Ranked by how well each tool replaces Foo: shared features, audience, price and popularity.
Web Performance And Core Web Vitals Monitoring | DebugBear
Covers 6 of 11 key features.
Free plan66 out of 100 matchFreeSuper Monitoring: Website monitoring service covering availability, speed and proper funct
Covers 8 of 11 key features and starts cheaper.
63 out of 100 match$5.99/moFree website and service monitoring with status pages.
Covers 6 of 11 key features.
Free plan62 out of 100 matchContact salesFree-to-use NGINX monitoring service (retiring January 31, 2026).
Covers 5 of 11 key features.
Free plan62 out of 100 matchFree- 62 out of 100 match$50/mo
Website monitoring with real-browser checks, alerts, and performance reporting
Covers 6 of 11 key features.
Free plan61 out of 100 match$19.99/moFree website uptime monitoring with 10 monitors, multi-region alert confirmation, and 3 on
Covers 7 of 11 key features and starts cheaper.
Free plan61 out of 100 match$9/moCron job monitoring that alerts you when scheduled tasks don't run on time
Covers 7 of 11 key features, starts cheaper and is open source.
Free planOpen source60 out of 100 match$5/moClimb the ranks with a blazing fast website.
Covers 9 of 11 key features and starts cheaper.
60 out of 100 match$12/moAI-powered load testing platform that explains your results in plain English.
Covers 9 of 11 key features.
Free plan60 out of 100 match$19/moWebsite and uptime monitoring from 300+ locations with phone call, SMS and Slack alerts.
Covers 6 of 11 key features and starts cheaper.
Free plan59 out of 100 match$9/moMonitoring service for servers, webpages, and web transactions.
Covers 8 of 11 key features and starts cheaper.
59 out of 100 match$3/mo