Email Copywriting Quality Checklist
Audit preview text, reading level, mobile responsive layout, single CTA focus, and authentic voice.
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### 1. Mobile Preview Optimization
- [ ] Subject line is under 45 characters to avoid mobile truncation.
- [ ] Preview text / preheader is intentionally written (35–55 characters) and complements the subject line.
- [ ] First sentence hook delivers immediate context within the mobile viewing pane.
### 2. Clarity & Readability Standards
- [ ] Reading level tested at Grade 6–8 (Flesch-Kincaid) for effortless comprehension.
- [ ] Paragraphs limited to 1–3 sentences maximum with ample white space.
- [ ] Jargon, acronyms, and marketing buzzwords eliminated.
### 3. Single Goal & Call-to-Action Focus
- [ ] Exactly ONE primary action requested per email (e.g. download, book call, or reply).
- [ ] Action link appears both as an in-text hyperlink and as a clear button or prominent link.
- [ ] Destination URL verified and tagged with correct UTM parameters.
### 4. Authenticity & Tone Check
- [ ] Written in first-person singular ("I", "my") rather than corporate plural ("we at [Company]").
- [ ] Reads like a note sent from one colleague to another.
- [ ] Clear sign-off with real human name and legitimate contact options.
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