September 9, 2024

How Fast Websites Impact Your Traffic

Complete website speed optimization guide with technical implementations, benchmarks & mobile strategies. Includes Core Web Vitals targets & optimization checklists.
Web Design & Development

Website Speed Optimization: Impact on SEO & Conversions (2024)

Speed Impact Metrics

-7%

Conversion drop per second delay

Source: Amazon
53%

Mobile abandonment if load > 3s

Source: Google
16%

Decrease in customer satisfaction

Source: Deloitte

Core Web Vitals Benchmarks

Metric Good Needs Improvement Poor
LCP (Largest Contentful Paint) ≤ 2.5s 2.5s - 4s > 4s
FID (First Input Delay) ≤ 100ms 100ms - 300ms > 300ms
CLS (Cumulative Layout Shift) ≤ 0.1 0.1 - 0.25 > 0.25

Speed Optimization Priority List

Critical Optimizations (Implement First)
  • Image Optimization 1-2 hours
    • Convert to WebP format
    • Implement lazy loading
    • Use responsive images
  • Caching Implementation 2-3 hours
    • Browser caching
    • Server-side caching
    • CDN configuration
Secondary Optimizations
  • Code Optimization
    • Minify CSS/JS
    • Remove unused code
    • Optimize critical rendering path

Mobile Speed Optimization Framework

Mobile Traffic Share
58.99%

Global web traffic

Speed Impact
-53%

Abandonment rate at 3s

Mobile Optimization Priorities
  1. Implement adaptive loading based on network conditions
  2. Use AMP or PWA technologies where appropriate
  3. Optimize touch targets (min 44x44px)
  4. Reduce server response time for mobile users

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