Loading States
Spinners feel slow. Skeletons feel fast. Use skeletons for initial loads. Use optimistic UI for user actions.
What is Optimistic UI?
Optimistic UI is Update the interface immediately. Do not wait for server confirmation.
The 3 Core Benefits
Higher Speed
Placeholders make the load feel faster. Users see the layout before the data arrives.
Visual Stability
Skeletons prevent layout shifts. Elements do not jump when images load.
Better Flow
Optimistic UI keeps the user moving. They do not pause for server responses.
Loading Strategy
Initial Load
Show gray rectangles where text will appear. Match the final layout exactly.
Button Actions
Disable the button on click. Show a small loader inside to prevent double clicks.
Data Changes
Add new items to the list immediately. Show a success toast later.
Global Spinner vs. Skeleton States
| Feature | Global Spinner | Skeleton States |
|---|---|---|
| Focus | Wait | Progress |
| Flow | Stutter | Fluid |
Frequently Asked Questions
Is it safe?
Safe for social actions. Avoid it for payments or critical data deletions.
What libraries help?
React Query handles mutations. Use simple CSS for skeleton animations.
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