Growth Guide2/9/2026

Toast Rules

TLDR Summary

Toasts provide brief feedback. Use success messages. Avoid critical errors. Keep them small.

What is Ephemeral UI?

Ephemeral UI is Interface elements that appear briefly. They disappear without user clicks.

Toasts are polite interruptions. Modals are rude interruptions.

The 3 Core Benefits

1

User Assurance

Users feel anxious after clicking save. A toast confirms the action worked.

2

Focus

Toasts do not block the screen. Users continue working while the message appears.

3

Data Recovery

Toasts are great for undo buttons. Give users a five second window to revert changes.

Toast Rules

1

Placement

Use the bottom right for desktop. Use the top center for mobile apps.

2

Timing

Success messages should last three seconds. Errors should stay until dismissed.

3

Hierarchy

Keep text under two lines. Use clear icons for success and failure.

Browser Alerts vs. Elegant Toasts

FeatureBrowser AlertsElegant Toasts
IntrusionBlocks AppBackground
UXManual CloseAuto Hide

Frequently Asked Questions

Which library is best?

Use Sonner. It is lightweight and handles stacking.

Can I use buttons?

Yes. Use small buttons like Undo. Avoid complex forms.

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