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100% Free Browser Tool

Multi-Region Latency & TTFB Simulator

Name: Upwatch
Availability: OnlineOnly
Rating: 4.9 (142 reviews)

Simulate edge network latency, DNS resolution, and TCP/TLS handshake times across global continents.

Payload Response Size (KB) 25 KB

Time to First Byte (TTFB)

16.2 ms

Total Edge Latency

28.3 ms