Writing · measurement
3 posts tagged measurement, newest first.
An endpoint measures the path it traverses. Run the test on the host you are measuring and the number is dominated by loopback and CPU, not by the network.
An unauthenticated form endpoint is an abuse vector and a measurement failure at once: every probe looks like a genuine submission in your own metrics.
Assign a visitor to a variant from a rotating HMAC key, count the outcome server-side, and hold no persistent identifier — plus what that makes unanswerable.