TermCraft conventionFoundational
Perceived Performance
How fast it seems, rather than how fast it is.
Definition
How fast an experience feels, which can be improved without changing the underlying speed.
Craft convention. True because the industry converged on it. Breaking it costs familiarity, not correctness.
In plain language
How fast it seems, rather than how fast it is.
Example
Optimistic updates and skeletons matching the final layout both improve perception without reducing latency.
Continue from here
Each link says what the connection is, so you can tell a principle from an alternative from a thing people mix this up with.
Deeper reading
The full entry behind this definition.
- Doherty ThresholdLaw
- Optimistic UIPattern
- Skeleton ScreensPattern
Nearby in the Atlas
Adjacent territory, found through shared tags rather than a stated link.