Briefle words · Product & specs
p75
Also called 75th percentile
The value that 75% of measurements are at or below, so a few very slow or very fast cases don't skew the target.
Say it to an AI
Write a performance ticket for our grocery app with measurable requirements: home screen usable under 2 s at p75 on 4G mid-range Android, search results within 500 ms, images max 80 KB, verified in real-user monitoring.
How an expert would brief the stronger version of “Performance ticket”.
See it
Try it as a puzzle →A grocery delivery app writes a ticket to fix a slow home screen and search for shoppers on mobile data.
Why: A sets the 2-second target at p75, meaning three out of four real shoppers must get it, not just the luckiest.
Related words
Room 4 · Requirements & scope
Learn “p75” in a five-minute lesson