Tools · Global Speed Test
Global TTFB Test.
Measure Time to First Byte from 8 cities across North America, Europe, and Asia-Pacific in a single click. Powered by KeyCDN's worldwide probe network. No signup.
Single GET per location. No data is stored.
How it works
One click, eight cities.
We send a request to your URL from probes in New York, San Francisco, London, Frankfurt, Amsterdam, Singapore, Sydney, and Bangalore. You see TTFB and the response headers from each.