Skip to content
UX Atlas
Plate TERM·051 · TermGrid D6 · Rev. 2026-08-14

Optimistic UI

Showing the result straight away and fixing it if the request fails.

TermCraft conventionFoundational

Definition

Applying a change locally on the assumption it will succeed, then reconciling with the server response.

Craft convention. True because the industry converged on it. Breaking it costs familiarity, not correctness.

On this plate
  1. 1Definition
  2. 2Local chart
  3. 3Continue from here

In plain language

Showing the result straight away and fixing it if the request fails.

Example

A like fills in immediately; if the request fails it reverts with an explanation.

Local chart

TERM·051 · Region X · Grid D6

This entry and the entries it is stated to connect with. Each line is labelled with what the connection means.

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.

Nearby in the Atlas

Adjacent territory, found through shared tags rather than a stated link.