LWCIntermediateuxloadingskeleton
Apply progressive enhancement for LWC data loading UX
Real World Scenario
Users see blank regions for 4 seconds while wires load causing support tickets about broken page.
Expected Answer
• lightning-spinner or skeleton placeholders during wire loading
• Stagger priority wires loading critical data first
• Show cached stale data with refresh indicator optional
• Error state distinct from empty state distinct from loading
• Minimum display time avoiding flash of spinner
• Progressive disclosure expand sections load on demand
• Measure perceived performance not only network time
Follow-Up Questions & Answers
Click to expand — each follow-up includes a direct, interview-ready answer
Main difference: use case and scale. lightning-spinner or skeleton placeholders during wire loading. Stagger priority wires loading critical data first. Pick based on your integration pattern and team capability. Perceived performance drives satisfaction—skeleton UI beats blank space every time. Balance speed of delivery with maintainability.
Architect Perspective
Perceived performance drives satisfaction—skeleton UI beats blank space every time.