Free Diagnostics Tool • Real-time TTFB, Latency & Core Web Vitals

Web Performance & PageSpeed Diagnostics

Measure live server latency, TTFB, DNS resolution, and SSL handshake speeds. Ensure your website meets Google Core Web Vitals ranking criteria.



Real-Time Performance & Core Web Vitals Engine

Calibrated against Google Lighthouse Vitals

Real TTFB & Latency

Pinpoints Time to First Byte (TTFB), DNS lookup time, and initial server handshake latency.

Target < 200ms

Payload & Compression

Checks Brotli & GZIP text compression, unminified CSS/JS scripts, and heavy DOM elements.

Brotli & GZIP Audited

Mobile Speed Score

Evaluates responsive viewport tags, layout shifts (CLS), and mobile Google indexing readiness.

Mobile-First Indexing

Modern HTTP Protocols

Checks for HTTP/2 or HTTP/3 multiplexing support, eliminating render-blocking asset queues.

HTTP/2 & HTTP/3 Ready
0 Limits
100% Free Forever
Real cURL
Direct Network Latency
0–100 Score
Weighted Vitals Index
Zero Logs
Private Audit Guarantee