| Quicklink | Instant.page | Flying Pages | |
|---|---|---|---|
| Preloading method | Viewport | Mouse hover | Viewport + Mouse hover |
| Server load | High | Low | Medium |
| Delay | 0 ms | 65 ms | 0 ms |
| Size (gzipped) | 0.8 KB | 0.8 KB | 1 KB |
| Respect user connection | ✅ | ✅ | ✅ |
| Support Safari browser | ✅ | ❌ | ✅ |
| Limit preloads per second | ❌ | ❌ | ✅ |
| Preload dynamically injected links | ❌ | ✅ | ✅ |
| Stops preloading on slow response | ❌ | ❌ | ✅ |
| Stops preloading if server crashes | ❌ | ❌ | ✅ |
| Configurable via WordPress plugin | ❌ | ❌ | ✅ |