Website speed test

Static performance checks based on fetched HTML + discovered assets. Fast and actionable — not a full Lighthouse run.

What this tool checks

Heuristics from HTML + a limited set of probed resources.

HTML size + fetch time

Measured

Request count

Discovered

Render-blocking scripts

Heuristic

Asset sizes

Best-effort

Run a test

Enter a URL and we'll run static performance checks.

URL

Note: We block private network targets (SSRF protection).

Run a test to see results

You'll get a score, performance heuristics, and a prioritized fix list.

We use analytics to understand how visitors use our website and to improve your experience.