ForceCalendarvsFullCalendar
Performance Benchmark Comparison
10.2x
Faster Rendering
10K events
2.7x
Less Memory
10K events
1.4x
Faster Recurrence
avg across tests
1.5x
Smaller Bundle
total size
⚡ Rendering Performance
💾 Memory Usage
🔄 Recurrence Expansion
📦 Bundle Size
✨ Feature Comparison
| Feature | ForceCalendar | FullCalendar |
|---|---|---|
| DOM-free Core | ✓ | ✗ |
| Built-in Search | ✓ | ✗ |
| Conflict Detection | ✓ | ✗ |
| ICS Import/Export | ✓ | ✗ |
| Timezone Support | ✓ | ✓ |
| Recurrence (RRULE) | ✓ | ✓ |
| Salesforce Compatible | ✓ | ✗ |
| React/Vue/Angular | ✓ | ✓ |
🧪 Live Browser Benchmark
Run a quick benchmark in your browser to see real performance.
ForceCalendar uses Map-based storage for O(1) lookups, similar to the Map benchmark above.
📋 Methodology
• All benchmarks run on identical hardware with Node.js v20.x
• Same test data generated for both libraries
• Multiple iterations with warmup to ensure accuracy
• FullCalendar tested with jsdom since it requires DOM
• Bundle sizes measured as installed node_modules size