newsletter-signup-generator

$npx mdskill add kostja94/marketing-skills/newsletter-signup-generator

Design and optimize newsletter signup forms for higher conversions.

  • Helps users create effective email capture forms to grow subscriber lists.
  • Relies on project context files for audience and value proposition.
  • Assesses placement, incentive, and platform to recommend form design.
  • Outputs actionable form design guidance with minimal fields and clear value.

SKILL.md

.github/skills/newsletter-signup-generatorView on GitHub ↗
---
name: newsletter-signup-generator
description: When the user wants to design, optimize, or audit newsletter signup forms. Also use when the user mentions "newsletter," "email signup," "subscribe form," "email capture," "lead magnet," "newsletter form," "email opt-in," "subscribe CTA," "newsletter signup," or "email list building." For email strategy, use email-marketing.
metadata:
  version: 1.0.1
---

# Components: Newsletter Signup

Guides newsletter signup form design for list growth. Email subscribers spend 138% more than non-subscribers; top popups convert at 23%+.

**When invoking**: On **first use**, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On **subsequent use** or when the user asks to skip, go directly to the main output.

## Initial Assessment

**Check for project context first:** If `.claude/project-context.md` or `.cursor/project-context.md` exists, read it for audience and value proposition.

Identify:
1. **Placement**: Header, footer, popup, inline, sidebar
2. **Incentive**: What subscribers receive
3. **Platform**: Web, mobile, both

## Form Design

### Minimal Fields

- **Email only** when possible; highest conversion
- Add name only if needed for personalization
- Wrong number of fields significantly impacts conversion

### Value Proposition

- Clear: what subscribers receive, how often
- Transparent: avoid disappointing subscribers
- Incentive: lead magnet, discount, exclusive content

### Visual Design

- Clearly clickable submit button
- Mobile-first; responsive layout
- Appropriate input types (e.g., `type="email"` for mobile keyboards)
- Trust marks or security indicators

## Placement

| Placement | Best For | Pros | Cons |
|-----------|----------|------|------|
| **Header** | High visibility | Always visible | Limited space |
| **Footer** | Secondary capture | Non-intrusive | Lower visibility |
| **Footer bar** | Persistent | Sticky | Can annoy |
| **Popup** | High intent | High conversion | Intrusive |
| **Inline** | Content pages | Contextual | Depends on scroll |

- Avoid hiding forms behind unclicked buttons/links
- Don't place competing forms nearby

## Accessibility

| Requirement | Practice |
|-------------|----------|
| **Labels** | `<label>` for each input; `for`/`id` association |
| **Placeholders** | Don't replace labels; supplement only |
| **Error messages** | Clear, associated with field |
| **Keyboard** | Full tab order; submit via Enter |
| **Touch targets** | ≥44×44px for submit button |

## Technical

- **Validation**: Client-side; server-side required
- **Privacy**: Link to privacy policy; GDPR/CCPA compliance
- **Double opt-in**: When required by jurisdiction or best practice

## Output Format

- **Form structure** (fields, copy)
- **Placement** recommendation
- **Value proposition** suggestions
- **Accessibility** checklist

## Related Skills

- **signup-login-page-generator**: Full account signup; form design principles apply
- **landing-page-generator**: Lead capture landing page contains signup form; LP exchanges value for email
- **email-marketing**: Full email marketing strategy; EDM, newsletter, deliverability, content types
- **footer-generator**: Footer often hosts signup forms
- **cta-generator**: Submit button is a CTA
- **trust-badges-generator**: Trust marks near form

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