Page Speed Optimization: Make Your Website Lightning Fast

Why Page Speed Matters

Page speed directly impacts user experience, conversion rates, and search rankings. A 1-second delay can reduce conversions by 7%.

Speed and Business Metrics

| Speed Change | Impact |

|--------------|--------|

| +1 second | -7% conversions |

| +2 seconds | -12% page views |

| +3 seconds | +50% bounce rate |

The Critical Rendering Path

Understanding how browsers render pages:

Parse HTML → DOM tree

Parse CSS → CSSOM tree

Combine → Render tree

Layout → Calculate positions

Paint → Display pixels

Optimization Strategies

Server-Side

Enable compression (Brotli/Gzip)

Use HTTP/2 or HTTP/3

Implement caching headers

Reduce TTFB

Resource Optimization

Minify CSS, JavaScript, HTML

Optimize images (WebP, AVIF)

Remove unused code

Lazy load below-fold content

Critical Path

Inline critical CSS

Defer non-critical JavaScript

Preload key resources

Eliminate render-blocking resources

Delivery

Use a CDN

Enable browser caching

Implement service workers

Use resource hints

Quick Wins

Compress images: Often 50%+ size reduction

Enable compression: Brotli reduces text 20-30%

Browser caching: Set long cache times for static assets

Defer JavaScript: Move scripts to bottom or use defer

Analyze your page speed with our free performance tool.