Page Speed Lite

Quick DNS and HTML download timings — not a full Lighthouse score.

URL

Calculated Result

Enter a target and run

Formula: DNS ms + HTML download ms + bytes (not Lighthouse)

Next steps

About this calculator

Useful as a first signal. It does not run Chrome, measure LCP, or load third-party scripts.

FormulaDNS lookup ms + HTML download ms + byte size (not Lighthouse)

dns.lookup timing + timed GET of HTML with byte count.

Resolve A, AAAA, MX, NS, TXT, CNAME, SOA, and CAA.

Check if a domain looks free via public RDAP.

Age from the RDAP registration date.

Preview favicons and the Open Graph image.