Guide
E-Commerce Conversion Optimization Guide
Improve store conversion with research, hypotheses and honest changes to product pages, cart, checkout, trust and shipping promises — without dark patterns.
Updated Aug 14, 2026
Store marketing only works if unit economics work. These articles explain acquisition metrics, creative testing and conversion so ad spend can be judged against contribution margin, not vanity traffic.
Guide
Improve store conversion with research, hypotheses and honest changes to product pages, cart, checkout, trust and shipping promises — without dark patterns.
Updated Aug 14, 2026
Guide
Improve store conversion with research, hypotheses and honest changes to product pages, cart, checkout, trust and shipping promises — without dark patterns.
Updated Aug 14, 2026
CAC is what you spend to win a customer. Blended and paid CAC answer different questions. This article lists what belongs in that spend—and what does not.
4 min read · Apr 9, 2026 · Updated Aug 4, 2026
ROAS measures media efficiency. ROI measures return after costs. Use this comparison to pick the right question for ads, margin and contribution profit.
4 min read · Apr 2, 2026 · Updated Jul 30, 2026
ROAS is ad revenue divided by ad spend. Useful for media, incomplete for profit. Learn the formula, break-even ROAS from margin, and attribution limits.
4 min read · Mar 26, 2026 · Updated Jul 28, 2026
Conversion rate improves when you diagnose speed, trust, shipping, checkout and merchandising first. Redesign without measurement usually wastes the rebuild.
4 min read · Mar 19, 2026 · Updated Jul 22, 2026
Business
Calculate return on investment from net profit and the amount invested.
Business
Calculate return on ad spend from attributed revenue and ad cost.
Business
Calculate CAC from sales and marketing spend and the number of new customers won.
SEO
Compose campaign URLs with utm_source, utm_medium, utm_campaign and optional content and term.
ROAS is a media efficiency ratio. Profit depends on margin, fees, returns and overhead. Use ROAS as a diagnostic, then check contribution after costs.