Best Practices for Web Image Optimization

Optimize your website's performance and user experience with these essential image optimization best practices. Learn how to balance quality and file size effectively.

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Essential Best Practices

• Choose the right image format
• Compress before uploading
• Use responsive images
• Implement lazy loading
• Optimize alt text for SEO

Implementation Guide

1. Proper Image Sizing

• Match image dimensions to display size
• Use srcset for responsive images
• Consider device pixel ratios
• Maintain aspect ratios

<img src="image.jpg"
     srcset="image-320w.jpg 320w,
             image-480w.jpg 480w,
             image-800w.jpg 800w"
     sizes="(max-width: 320px) 280px,
            (max-width: 480px) 440px,
            800px"
     alt="Responsive image example">

Advanced Optimization Tips

• Use WebP with fallbacks
• Implement CDN delivery
• Enable browser caching
• Remove metadata
• Optimize thumbnails separately