1. Instantly understandable headline — visitors decide in under three seconds. Communicate what they get, why here, how fast. 2. Exactly one call-to-action — multiple CTAs scatter attention. One action per page. 3. Take mobile-first seriously — over 60% of hits are mobile. Two-second load, one-hand operation. 4. Place trust signals prominently — testimonials, badges, hard numbers, above the fold. 5. A/B test from hit 100 — that's your first real data. A solid conversion rate is 2–5%. Apply all five and you typically double conversion within two weeks.