19 regions live · no signup
Measure TTFB from
everywhere, at once.
Paste a URL, get real time-to-first-byte from 19 cities in seconds.
try ·
Real servers in 19 cities
Every check hits your origin from all of them, in parallel.
- Australia - Sydney
- Brazil - Sao Paulo
- Canada - Toronto
- France - Paris
- France - Roubaix
- Germany - Frankfurt
- Japan - Tokyo
- Mexico - Mexico City
- Netherlands - Amsterdam
- Singapore - Singapore
- Spain - Madrid
- Sweden - Stockholm
- UK - London
- US - California
- US - Florida
- US - Georgia
- US - Illinois
- US - Texas
- US - Washington
01
Live results via streaming
Watch each region report in as it finishes. No spinner, no waiting for the slowest hop.
02
Real servers, real latency
Bare-metal probes in each city. Nothing simulated, nothing extrapolated from a single origin.
03
Shareable permanent URL
Every check gets a stable link with the full result set. Paste it in a ticket or a postmortem.
What a result looks like
https://stripe.com200 OK · HTTP/2
19 of 19 · 2.4s
RegionTTFBWaterfallDNS · TLS
Germany - Frankfurt41 ms12 · 24
Netherlands - Amsterdam38 ms9 · 21
UK - London52 ms11 · 28
US - Georgia88 ms14 · 39
US - California122 ms16 · 44
Japan - Tokyo187 ms22 · 61
Singapore - Singapore211 ms25 · 70
Brazil - Sao Paulo246 ms31 · 88
median104 msslowest246 ms