Match source resolution to canvas usage. Images larger than necessary for their canvas role consume memory without contributing visible quality.
| Canvas Usage Size | Recommended Source Resolution |
|---|---|
| Full 4K canvas background | Up to 3840 x 2160 |
| Full HD canvas background | Up to 1920 x 1080 |
| Half-canvas element | Approx. 960 x 540 |
| Small icon or decoration | Approx. 256 x 256 |
| Tiny element (under 100px wide) | Approx. 200 x 200 |
| Format | Best Use |
|---|---|
| WebP | Recommended for all images. Best size/quality ratio. |
| PNG | Required only when lossless quality or alpha transparency is critical |
| JPEG | Acceptable for photographic images without transparency requirements |
Performance characteristics vary significantly depending on what is animated: