
WHY.
Paste any SaaS email, get a score and a rebuilt version
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About WHY.
WHY. is a free diagnostic tool that scores any SaaS email, onboarding sequence, or changelog on the Decision Friction Model, a 7-point behavioral framework built from 59 real teardowns.
Paste your email in. Get a score from 1 to 10, the named failure pattern (Feature-First Bias, Guest Language CTA, Filing Label Subject, and four others), and a rebuilt version, all in about 90 seconds. No card required.
Most SaaS product update emails get opened but never clicked. WHY. shows exactly where the structure breaks, not the copy, the structure: what leads, what's buried, what the CTA asks the reader to do.
Built by Alex Iliescu, founder of Strategic Flow, after auditing 59 public SaaS emails from companies like Semrush, HeyGen, Revolut, and ElevenLabs.
✦ Good to know
- WHY.™ scores content from 1-10, where low scores mean low friction and high scores indicate structural problems stopping reader action.
- The tool identifies 15 predicted questions your audience will ask and provides direct answers showing what's missing from your content.
- Results include a full rewrite that resolves friction points using consequence-first structure and reframed CTAs around outcomes.
- No card, subscription, or sign-up required to see your friction score and free preview within ~30 seconds.
- WHY.™ is available as an MCP (Model Context Protocol) server so AI agents can run the diagnostic directly.
Taken from the product's own website and re-checked automatically.
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