Pros and cons. What Preact does well, and what to expect.
Pros
- Extremely lightweight: 3 kB only (vs 45 kB for React).
- Nearly identical API to React, easy for React developers.
- Excellent performance even on slow networks.
- React-compatible via preact/compat, allows reusing React components.
Cons
- Smaller ecosystem than React.
- Fewer Preact-specific libraries and tools.
- Smaller community, fewer answers to questions.