Performance diagnostic
Global TTFB test
Break down DNS, connection, TLS, server wait, and total response time from up to 40 locations worldwide.
What you’ll learn
Map 40 global vantage points and find the slow region and timing phase responsible.
Live diagnostic
Browser-directSet the target
Transparent facts, not a magic score.
Every measurement is timestamped and tied to its provider. Component timings remain separate, provider errors stay visible, and paid fallback is disabled by default.
Inputurl
Executionbrowser distributed
Default cost$0 provider spend
Timeout60 seconds