Introduction
Mobile traffic dominates many sites, but mobile network conditions are unstable. Image optimization for mobile needs dedicated strategy.
Mobile vs desktop differences
| Dimension | Mobile | Desktop |
|---|---|---|
| Network | Unstable | Relatively stable |
| Screen | Small | Large |
| Traffic sensitivity | High | Lower |
| Device power | Weaker | Stronger |
Optimization tips
- Use responsive images (
srcset). - Prefer WebP for smaller size.
- Enable lazy loading.
- Apply stronger compression for mobile contexts.
How to test
- Use Chrome DevTools device simulation.
- Test on real phones for final validation.