Image Optimization Best Practices

Images are often the largest assets on a webpage. Here's how to optimize them properly.

Why Optimize?

• Faster load times - Better user experience
• Lower bandwidth - Cheaper hosting
• Better SEO - Google rewards fast sites
• Mobile friendly - Less data usage

Format Guide

JPEG

Best for: Photos, complex images Pros: Good compression, wide support Cons: No transparency, lossy

PNG

Best for: Graphics, screenshots, transparency Pros: Lossless, alpha channel Cons: Larger file sizes

WebP

Best for: Everything (modern browsers) Pros: Best compression, transparency Cons: Limited older browser support

AVIF

Best for: Maximum compression (newest browsers) Pros: Incredible compression Cons: Limited support, slow encoding

Optimization Workflow

1. Choose the right format

   • Photo? Use JPEG or WebP
   • Graphic? Use PNG or WebP
   • Need transparency? Use PNG or WebP

2. Resize appropriately

   • Don't serve 4000px images for 400px displays
   • Use srcset for responsive images

3. Compress

   • Use our Image Compressor
   • Quality 80-85% is usually imperceptible

4. Convert to modern formats

   • Provide WebP with JPEG/PNG fallback

Our Tools

Image Compressor

Reduce file size up to 80% with minimal quality loss.

Image Converter

Convert between formats instantly.

Image Resizer

Resize to exact dimensions or percentages.

Quick Wins

• Enable lazy loading: loading="lazy"
• Use proper dimensions in HTML
• Serve from a CDN
• Use responsive images

Speed up your site today! ⚡