Response Time Checker
Find out how fast a URL responds — measured several times, classified as fast, normal, slow or very slow, with a full timing breakdown.
What is response time (TTFB)?
Response time here is the time to first byte (TTFB): how long the server takes to start answering a request. It excludes content download and the travel time of any redirects, so it reflects pure server responsiveness.
Why measure it more than once?
A single measurement can be misleading — caches, network jitter and load spikes get in the way. Measuring several times and taking the median gives a much more reliable picture of real-world speed.
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