Performance & SEO
PageSpeed Test
Measure real-world mobile performance before launching a site on ZeHoster LiteSpeed hosting or after theme changes.
PageSpeed SEO Core Web Vitals Lighthouse
Run PageSpeed Test
Google Lighthouse mobile performance score
Frequently asked questions
Why did the test fail?
The URL must be publicly accessible — localhost and password-protected pages cannot be tested.
What if I hit rate limits?
Add your free Google PageSpeed API key in the tool — it saves in your browser only.