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Image Optimization Calculator

Calculate ideal image sizes and formats for responsive web design

Original Image Dimensions

About Image Optimization

Optimizing images is crucial for web performance. Use responsive images with the right formats and sizes to improve load times and Core Web Vitals scores.

Best Practices

  • • Use AVIF for maximum compression (if browser support allows)
  • • Provide WebP as a fallback for wider compatibility
  • • Always include JPEG/PNG fallback for older browsers
  • • Use loading="lazy" for images below the fold
  • • Consider using a CDN with automatic image optimization
  • • Test different quality settings to find the sweet spot

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Frequently Asked Questions - Image Optimization Calculator