How I turn a single 30-minute prospect call into three landing-page variants — each one built around a real objection — and split the traffic to find the winner. The exact prompts, the variant matrix, and the A/B math I use.
A 15-year marketer's step-by-step workflow for shipping a full landing page plus AB test variants in an afternoon — using Claude Artifacts and the same vibe-coding technique Karpathy described for engineers.
A real 30-minute workflow for shipping landing page copy with Copy.ai — the 5-step process, copy-pasteable prompts, and the 4 human edits where AI is non-negotiable. With a 4.2% conversion page that actually went live.