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Built this after scoring 59 real SaaS emails and finding the average was 3.4 out of 10. Same seven structural bugs kept showing up regardless of company size. WHY. runs that same check on your email in under two minutes.
WHY. scores any SaaS email against a 7-point structural framework built from 59 real teardowns. It finds the exact reason readers open but don't click, then shows the fix.
Lifecycle marketers, product marketers, and growth teams at B2B SaaS companies who send product emails, onboarding sequences, or newsletters and want to know why open rate and click rate don't match.
Built on the Decision Friction Model, a diagnostic framework developed from scoring 59 published SaaS email teardowns. Average original score: 3.4/10. Average after rebuild: 9/10. Same handful of structural failures kept showing up across companies of every size, so the tool checks for those specifically instead of generic copywriting advice.
