Images often constitute the majority of page weight. Learn to optimize them for lightning-fast websites.
Image Formats
- JPEG - Photos, complex images
- PNG - Transparency needed
- WebP - Modern, superior compression
- AVIF - Latest, best compression
Techniques
- Compress before upload
- Use responsive images (srcset)
- Lazy loading
- CDN delivery
Sizes
Generate multiple sizes for different devices. Don't serve 4K images to mobile!
Our Tool
Use our compressor tool to reduce file sizes without quality loss!