Site speed directly affects revenue. Amazon found that every 100ms of latency costs 1% in sales.
Quick Wins (30 minutes)
1. Compress images (our compressor at pic0.ai). 2. Enable gzip/brotli. 3. Set cache headers. 4. Defer non-critical JavaScript. 5. Lazy load below-fold images.
Core Web Vitals
LCP (Largest Contentful Paint): Under 2.5s. Fix: optimize hero image, preload fonts. FID/INP (Interaction): Under 200ms. Fix: break up long JavaScript tasks. CLS (Layout Shift): Under 0.1. Fix: set dimensions on images/embeds.