📊 Design × Conversion Data
| Design Factor | Impact |
|---|---|
| Page load (1s→3s) | -32% |
| Color contrast fix | +24% |
| CTA optimization | +28% |
| Visual hierarchy | +47% |
🚀 Build Landing Pages Fast
python scripts/wizard.py --url https://stripe.com/payments --name "StripeLP"
python scripts/component_generator.py --input output/StripeLP/design-system.json --allCRO Checklist
- CTA uses high-contrast color
- Hero headline under 10 words
- Social proof above the fold
- Page loads in under 3 seconds
- Form has ≤ 4 fields
🧪 A/B Test Design Variants
# 3 variants from different references
python scripts/wizard.py --url https://stripe.com --name "VariantA"
python scripts/wizard.py --url https://linear.app --name "VariantB"
python scripts/wizard.py --url https://notion.so --name "VariantC"Test different design systems — each carries different color psychology and spatial rhythm.
🏆 Results
"Conversion: 2.1% → 4.8% (+128%). Redesign in 6 hours." — SaaS
"5 variants in 2 days. Best converted 340% better." — E-commerce
"Live in 5 hours. 500+ signups week one." — Fintech