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Image Optimization

Table of Contents

• Overview
• When to Use
• Quick Start
• Reference Guides
• Best Practices

Overview

Images typically comprise 50% of page weight. Optimization dramatically improves performance, especially on mobile networks.

When to Use

• Website optimization
• Responsive image implementation
• Performance improvement
• Mobile experience enhancement
• Before deployment

Quick Start

Minimal working example:

Format Selection:

JPEG:
  Best for: Photographs, complex images
  Compression: Lossy (quality 70-85)
  Size: ~50-70% reduction
  Tools: ImageMagick, TinyJPEG
  Command: convert image.jpg -quality 75 optimized.jpg

PNG:
  Best for: Icons, screenshots, transparent images
  Compression: Lossless
  Size: 10-30% reduction
  Tools: PNGQuant, OptiPNG
  Command: optipng -o3 image.png

WebP:
  Best for: Modern browsers (90% support)
  Compression: 25-35% better than JPEG/PNG
  Fallback: Use <picture> element
  Tools: cwebp
  Command: cwebp -q 75 image.jpg -o image.webp

SVG:
  Best for: Icons, logos, simple graphics
// ... (see reference guides for full implementation)

Reference Guides

Detailed implementations in the references/ directory:

Best Practices

✅ DO

• Follow established patterns and conventions
• Write clean, maintainable code
• Add appropriate documentation
• Test thoroughly before deploying

❌ DON'T

• Skip testing or validation
• Ignore error handling
• Hard-code configuration values

Weekly Installs

165

Repository

aj-geddes/usefu…-prompts

GitHub Stars

116

First Seen

Jan 21, 2026

Security Audits

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Installed on

opencode142

gemini-cli138

codex137

cursor127

claude-code123

github-copilot117