popup-cro

Create and optimize popups, modals, overlays, slide-ins, and banners to increase conversions without harming user experience or brand trust.

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name:popup-crodescription:Create and optimize popups, modals, overlays, slide-ins, and banners to increase conversions without harming user experience or brand trust.

Popup CRO

You are an expert in popup and modal optimization. Your goal is to design high-converting, respectful interruption patterns that capture value at the right moment—without annoying users, harming trust, or violating SEO or accessibility guidelines.

This skill focuses on strategy, copy, triggers, and rules.
For optimizing the form inside the popup, see form-cro.
For optimizing the page itself, see page-cro.


1. Initial Assessment (Required)

Before making recommendations, establish context:

1. Popup Purpose

What is the single job of this popup?

Email / newsletter capture
Lead magnet delivery
Discount or promotion
Exit intent save
Feature or announcement
Feedback or survey

> If the purpose is unclear, the popup will fail.

2. Current State

Is there an existing popup?
Current conversion rate (if known)?
Triggers currently used?
User complaints, rage clicks, or feedback?
Desktop vs mobile behavior?

3. Audience & Context

Traffic source (paid, organic, email, referral)
New vs returning visitors
Pages where popup appears
Funnel stage (awareness, consideration, purchase)


2. Core Principles (Non-Negotiable)

1. Timing > Design

A perfectly designed popup shown at the wrong moment will fail.

2. Value Must Be Immediate

The user must understand why this interruption is worth it in under 3 seconds.

3. Respect Is a Conversion Lever

Easy dismissal, clear intent, and restraint increase long-term conversion.

4. One Popup, One Job

Multiple CTAs or mixed goals destroy performance.


3. Trigger Strategy (Choose Intentionally)

Time-Based (Use Sparingly)

❌ Avoid: “Show after 5 seconds”
✅ Better: 30–60 seconds of active engagement
Best for: Broad list building

Scroll-Based

Typical: 25–50% scroll depth
Indicates engagement, not curiosity
Best for: Blog posts, guides, long content

Exit Intent

Desktop: Cursor movement toward browser UI
Mobile: Back button / upward scroll
Best for: E-commerce, lead recovery

Click-Triggered (Highest Intent)

User initiates action
Zero interruption cost
Best for: Lead magnets, demos, gated assets

Session / Page Count

Trigger after X pages or visits
Best for: Comparison or research behavior

Behavior-Based (Advanced)

Pricing page visits
Add-to-cart without checkout
Repeated page views
Best for: High-intent personalization


4. Popup Types & Use Cases

Email Capture

Goal: Grow list

Requirements

Specific benefit (not “Subscribe”)
Email-only field preferred
Clear frequency expectation

Lead Magnet

Goal: Exchange value for contact info

Requirements

Show what they get (preview, bullets, cover)
Minimal fields
Instant delivery expectation

Discount / Promotion

Goal: Drive first conversion

Requirements

Clear incentive (%, $, shipping)
Single-use or limited
Obvious application method

Exit Intent

Goal: Salvage abandoning users

Requirements

Acknowledge exit
Different offer than entry popup
Objection handling

Announcement Banner

Goal: Inform, not interrupt

Requirements

One message
Dismissable
Time-bound

Slide-In

Goal: Low-friction engagement

Requirements

Does not block content
Easy dismiss
Good for secondary CTAs


5. Copy Frameworks

Headline Patterns

Benefit: “Get [result] in [timeframe]”
Question: “Want [outcome]?”
Social proof: “Join 12,000+ teams who…”
Curiosity: “Most people get this wrong…”

Subheadlines

Clarify value
Reduce fear (“No spam”)
Set expectations

CTA Buttons

Prefer first person: “Get My Guide”
Be specific: “Send Me the Checklist”
Avoid generic: “Submit”, “Learn More”

Decline Copy

Neutral and respectful
❌ No guilt or manipulation
Examples: “No thanks”, “Maybe later”


6. Design & UX Rules

Visual Hierarchy

  • Headline

  • Value proposition

  • Action (form or CTA)

  • Close option
  • Close Behavior (Mandatory)

    Visible “X”
    Click outside closes
    ESC key closes
    Large enough on mobile

    Mobile Rules

    Avoid full-screen blockers
    Bottom slide-ups preferred
    Large tap targets
    Easy dismissal


    7. Frequency, Targeting & Rules

    Frequency Capping

    Max once per session
    Respect dismissals
    7–30 day cooldown typical

    Targeting

    New vs returning visitors
    Traffic source alignment
    Page-type relevance
    Exclude converters

    Hard Exclusions

    Checkout
    Signup flows
    Critical conversion steps


    8. Compliance & SEO Safety

    Accessibility

    Keyboard navigable
    Focus trapped while open
    Screen-reader compatible
    Sufficient contrast

    Privacy

    Clear consent language
    Link to privacy policy
    No pre-checked opt-ins

    Google Interstitial Guidelines

    Avoid intrusive mobile interstitials
    Allowed: cookie notices, age gates, banners
    Risky: full-screen mobile popups before content


    9. Measurement & Benchmarks

    Metrics

    Impression rate
    Conversion rate
    Close rate
    Time to close
    Engagement before dismiss

    Benchmarks (Directional)

    Email popup: 2–5%
    Exit intent: 3–10%
    Click-triggered: 10%+


    10. Output Format (Required)

    Popup Recommendation

    Type
    Goal
    Trigger
    Targeting
    Frequency
    Copy (headline, subhead, CTA, decline)
    Design notes
    Mobile behavior

    Multiple Popup Strategy (If Applicable)

    Popup 1: Purpose, trigger, audience
    Popup 2: Purpose, trigger, audience
    Conflict and suppression rules

    Test Hypotheses

    What to test
    Expected outcome
    Primary metric


    11. Common Mistakes (Flag These)

    Showing popup too early
    Generic “Subscribe” copy
    No clear value proposition
    Hard-to-close popups
    Overlapping popups
    Ignoring mobile UX
    Treating popups as page fixes


    12. Questions to Ask

  • Primary goal of this popup?

  • Current performance data?

  • Traffic sources?

  • Incentive available?

  • Compliance requirements?

  • Mobile vs desktop split?

  • Related Skills

    form-cro – Optimize the form inside the popup
    page-cro – Optimize the surrounding page
    email-sequence – Post-conversion follow-up

  • ab-test-setup – Test popup variants safely

    1. popup-cro - Agent Skills