Free Website Speed Test
Google Lighthouse scores for any site: performance, accessibility, best practices, and SEO on a simulated phone.
No signup. We don't store or log the domains you check.
Loading your homepage on a simulated phone...
Scores come from Google Lighthouse and move a few points between runs. 90 and up is good, 50 to 89 needs improvement, under 50 needs work.
That's one signal. Your site has more.
The Website Health Check covers the big picture: Google Lighthouse speed scores plus DNS, SSL, email authentication, and AI access in one report.
Run the Website Health CheckHow it works
We load the site's homepage on a simulated phone through Google PageSpeed Insights and report the four Lighthouse scores — performance, accessibility, best practices, and SEO — plus the lab metrics behind the performance number. Every run is a fresh load, so scores move a few points between runs.
When to use this
Before a redesign, so you know your starting point. After a launch, to confirm nothing regressed. And any time a page feels slow — the metrics tell you whether the problem is images, scripts, or the server.
Frequently asked questions
Where do the scores come from?
Google PageSpeed Insights, which runs Lighthouse against your homepage on a simulated mobile device over a throttled connection. The same numbers Google shows in its own tools.
Why do my scores change between runs?
Every run loads your page fresh, so network conditions and third-party scripts move the numbers a few points. Treat scores as bands, not decimals: 90 and up is good, 50 to 89 needs improvement, below 50 is poor.
How is this different from the Website Health Check?
This page runs only the speed test. The Website Health Check runs the same test plus DNS, SSL, email authentication, and AI access checks in one report.
Check everything at once
One report covering speed, DNS, SSL, email authentication, and AI access — the signals that decide whether visitors, search engines, and AI assistants trust your site.
Run the Website Health Check