Complete Image Guide
Master image processing with our comprehensive guide. Learn about WebP, AVIF, PNG, JPEG formats, optimization techniques, and conversion best practices.
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Image Formats Explained
Understanding different image formats and their use cases
JPEG (JPG)
Lossy compression format perfect for photographs and complex images.
Universal support
Small file size
Lossy compression
Best for: Photos, complex images, social media
PNG
Lossless compression with transparency support, ideal for graphics.
Lossless quality
Transparency
Larger files
Best for: Logos, graphics, screenshots
WebP
Modern format with superior compression, 25-35% smaller than JPEG.
Superior compression
Modern browsers
Transparency support
Best for: Web images, modern applications
AVIF
Next-generation format with 50% better compression than JPEG.
Best compression
Cutting-edge
Limited support
Best for: Future-proofing, maximum compression
Image Optimization Techniques
Improve web performance with proper image optimization
Compression Strategies
Choose the right format
Use WebP for photos, PNG for graphics, SVG for icons
Optimize quality settings
Balance file size vs quality (80-90% for JPEG)
Resize images appropriately
Don't serve 4K images for mobile displays
Web Performance
<!-- Responsive images with multiple formats --> <picture> <source srcset="image.avif" type="image/avif"> <source srcset="image.webp" type="image/webp"> <img src="image.jpg" alt="Description" loading="lazy"> </picture> <!-- Lazy loading for better performance --> <img src="image.jpg" alt="Description" loading="lazy" decoding="async">
Image Best Practices
Guidelines for optimal image usage in web development
Performance Guidelines
- Keep images under 100KB for web use
- Use appropriate dimensions (2x for retina displays)
- Implement lazy loading for below-the-fold images
Accessibility
- Always include descriptive alt text
- Ensure sufficient color contrast
- Use text alternatives for important information