popups
Has your agent create or optimize pop-ups, banners, and other messages that appear over main content. They are used for lead capture or announcements.
What it does
This tool helps create and improve pop-ups, banners, and other messages that appear on websites. The goal is to capture visitor information or offer promotions without being annoying.
When to use it
- ✓When you want to collect visitor emails for a newsletter.
- ✓To offer a special discount or promotion.
- ✓To announce important site news.
Example of what to ask your AI
“Create a popup to offer a free e-book in exchange for the visitor's email.”
Want more? Open the sections below.
How to use
The easiest way: copy the message below and paste it into Claude, ChatGPT, Cursor or any AI. It reads the skill and follows the instructions.
Skill link
Ready-to-paste message
How it works
The AI analyzes the popup's goal (capture emails, offer discount, etc.) and best practices for design and copy to suggest an effective popup. It considers when and how it should appear to avoid annoying the user.
Installation
Easiest way: copy the skill link and paste it into Claude, ChatGPT or Cursor asking it to follow the instructions.
In the terminal (Claude Code, Codex, Cursor), in your project folder:
npx skills add coreyhaines31/marketingskills --skill popupsOr download just the file:
curl -L https://raw.githubusercontent.com/coreyhaines31/marketingskills/main/skills/popups/SKILL.md -o SKILL.mdTechnical content (original SKILL.md)
Original text by the author, straight from GitHub.
Popup CRO
You are an expert in popup and modal optimization. Your goal is to create popups that convert without annoying users or damaging brand perception.
Initial Assessment
Check for product marketing context first:
If .agents/product-marketing.md exists (or .claude/product-marketing.md, or the legacy product-marketing-context.md filename, in older setups), read it before asking questions. Use that context and only ask for information not already covered or specific to this task.
Before providing recommendations, understand:
Popup Purpose
- Email/newsletter capture
- Lead magnet delivery
- Discount/promotion
- Announcement
- Exit intent save
- Feature promotion
- Feedback/survey
Current State
- Existing popup performance?
- What triggers are used?
- User complaints or feedback?
- Mobile experience?
Traffic Context
- Traffic sources (paid, organic, direct)
- New vs. returning visitors
- Page types where shown
Core Principles
1. Timing Is Everything
- Too early = annoying interruption
- Too late = missed opportunity
- Right time = helpful offer at moment of need
2. Value Must Be Obvious
- Clear, immediate benefit
- Relevant to page context
- Worth the interruption
3. Respect the User
- Easy to dismiss
- Don't trap or trick
- Remember preferences
- Don't ruin the experience
Trigger Strategies
Time-Based
- Not recommended: "Show after 5 seconds"
- Better: "Show after 30-60 seconds" (proven engagement)
- Best for: General site visitors
Scroll-Based
- Typical: 25-50% scroll depth
- Indicates: Content engagement
- Best for: Blog posts, long-form content
- Example: "You're halfway through—get more like this"
Exit Intent
- Detects cursor moving to close/leave
- Last chance to capture value
- Best for: E-commerce, lead gen
- Mobile alternative: Back button or scroll up
Click-Triggered
- User initiates (clicks button/link)
- Zero annoyance factor
- Best for: Lead magnets, gated content, demos
- Example: "Download PDF" → Popup form
Page Count / Session-Based
- After visiting X pages
- Indicates research/comparison behavior
- Best for: Multi-page journeys
- Example: "Been comparing? Here's a summary..."
Behavior-Based
- Add to cart abandonment
- Pricing page visitors
- Repeat page visits
- Best for: High-intent segments
Popup Types
Email Capture Popup
Goal: Newsletter/list subscription
Best practices:
- Clear value prop (not just "Subscribe")
- Specific benefit of subscribing
- Single field (email only)
- Consider incentive (discount, content)
Copy structure:
- Headline: Benefit or curiosity hook
- Subhead: What they get, how often
- CTA: Specific action ("Get Weekly Tips")
Lead Magnet Popup
Goal: Exchange content for email
Best practices:
- Show what they get (cover image, preview)
- Specific, tangible promise
- Minimal fields (email, maybe name)
- Instant delivery expectation
Discount/Promotion Popup
Goal: First purchase or conversion
Best practices:
- Clear discount (10%, $20, free shipping)
- Deadline creates urgency
- Single use per visitor
- Easy to apply code
Exit Intent Popup
Goal: Last-chance conversion
Best practices:
- Acknowledge they're leaving
- Different offer than entry popup
- Address common objections
- Final compelling reason to stay
Formats:
- "Wait! Before you go..."
- "Forget something?"
- "Get 10% off your first order"
- "Questions? Chat with us"
Announcement Banner
Goal: Site-wide communication
Best practices:
- Top of page (sticky or static)
- Single, clear message
- Dismissable
- Links to more info
- Time-limited (don't leave forever)
Slide-In
Goal: Less intrusive engagement
Best practices:
- Enters from corner/bottom
- Doesn't block content
- Easy to dismiss or minimize
- Good for chat, support, secondary CTAs
Design Best Practices
Visual Hierarchy
- Headline (largest, first seen)
- Value prop/offer (clear benefit)
- Form/CTA (obvious action)
- Close option (easy to find)
Sizing
- Desktop: 400-600px wide typical
- Don't cover entire screen
- Mobile: Full-width bottom or center, not full-screen
- Leave space to close (visible X, click outside)
Close Button
- Keep visible (top right is convention) — users who can't find the close button will bounce entirely
- Large enough to tap on mobile
…
FAQ
What is 'exit intent'?
It's when a user's mouse moves towards closing the tab or window, indicating they are about to leave. A popup can appear at this moment with a last-chance offer.
How to ensure a popup isn't annoying?
The popup should have a clear reason for appearing, offer something of value, and be easy to close. It also shouldn't repeatedly show to the same user.
What's the difference between a popup and a slide-in?
A popup usually appears in the center of the screen, while a slide-in enters from a corner or the bottom, being less intrusive.
Details
Original description by the author
When the user wants to create or optimize popups, modals, overlays, slide-ins, or banners for conversion purposes. Also use when the user mentions "exit intent," "popup conversions," "modal optimization," "lead capture popup," "email popup," "announcement banner," "overlay," "collect emails with a popup," "exit popup," "scroll trigger," "sticky bar," or "notification bar." Use this for any overlay
Popularity
- GitHub stars
- 55k
- Ranking position
- #1786
- License
- MIT
- Updated
- 10/15/2026
Comments
- …
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