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TTFB Checker

Measure Time to First Byte from 6 global locations simultaneously.

Enter a URL to measure Time to First Byte from 6 global locations.

How to use this tool

What does TTFB Checker do?

Measure Time to First Byte from 6 global locations simultaneously.

How do I use TTFB Checker?

Measure Time to First Byte from 6 global locations simultaneously — Germany, USA East, USA West, UK, Singapore, and Japan. TTFB is a Core Web Vitals metric that reflects server response time and is a key indicator of hosting performance. Results are color-coded against Google's thresholds: Good under 800ms, Needs Improvement up to 1800ms, Poor above that. Useful for diagnosing slow servers and evaluating CDN effectiveness.

Is this tool free?

Yes, completely free with no account required. All tools on SEOKit are available without registration or usage limits.

Does this tool work on any website?

Yes, you can analyze any publicly accessible URL. Some tools also work with lists of URLs for bulk analysis.