Porfolio Case Study

How We Increased Superbra's Mobile Conversion Rate by 1,5%

Optimizing the mobile shopping experience for an 7-figure lingerie brand through strategic PDP improvements and data-driven design decisions.

1.5%

Conversion Rate Lift

33%

Revenue increase

7K+

Monthly Revenue impact

7 Fig

Brand Size

The Challenge

Superbra, a leading 7-figure lingerie brand with multiple stores across the Netherlands, was experiencing suboptimal mobile conversion rates on their product detail pages.
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Below-Fold Critical Elements

Key conversion elements like the add-to-cart button, reviews, and shipping information were buried below the fold on mobile devices.
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Portrait Image Gallery

Portrait-oriented product images pushed important content further down, forcing users to scroll excessively to find key information.
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Low CTA Visibility

The add-to-cart button lacked sufficient contrast and prominence, making it difficult for users to identify the primary conversion action.
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The impact

For an 7-figure business, even small improvements in mobile conversion rates translate to significant revenue increases. The mobile shopping experience needed immediate optimization to reduce friction and increase conversions.

The Solution

A comprehensive CRO sprint focused on optimizing the mobile PDP experience through five strategic improvements designed to maximize above-the-fold conversion elements.

01

Progressive Free Shipping Bar

Implemented a custom coded free shipping threshold bar above the fold with clear visibility, creating urgency and incentivizing larger cart values.

01

02

Square Image Gallery

Transformed portrait images to square format, reducing vertical space and keeping critical elements visible without scrolling.

02

03

Google Reviews Snippet

Integrated Google reviews prominently above the fold, leveraging social proof at the critical decision-making moment.

03

04

High-Contrast CTA Button

Enhanced the add-to-cart button with vibrant green coloring and improved contrast for maximum visibility and conversion.

04

05

Sticky Add to Cart

Implemented a persistent sticky button that follows users as they scroll, ensuring the conversion action is always accessible.

05

Strategic Approach

Each improvement was carefully designed to work together, creating a cohesive mobile experience that prioritizes user needs and eliminates friction in the purchase journey. The most challenging aspect was reimagining the image gallery format while maintaining visual appeal and product presentation quality.
Before
Woman wearing a purple bra and panties with SuperBra branding on a white background
After
Superb Brams lingerie product page with a model wearing a purple bra, product details

Performance Metrics

+1.4%

Conversion rate increase

+32%

Average order value

-28%

Cart abandonment rate

PDP Key Improvements

  • Prominent shipping bar with clear messaging

  • Square images keep content above fold

  • Google reviews (4.9/5) immediately visible

  • Unnecessary Quantity button removed

  • Vibrant green CTA with maximum contrast

  • Persistent sticky add to cart button

Visual Transformation

See how strategic design changes transformed the mobile PDP, bringing critical conversion elements above the fold.

The Results

Data-driven improvements that delivered measurable impact across key performance metrics.
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+1.50

Conversion Rate

From 0.50% to 1.75%
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+13%

Revenue per visitor

From 102€ to 115€
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+120

Montly Orders

Additional conversions
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+18%

Revennue increase

Monthly Increase

Statiscal significance

All results achieved 95%+ statistical significance with sufficient sample size for reliable conclusions. The test ran across multiple product categories to ensure consistent performance improvements.

Implementation Timeline

The entire CRO sprint was completed in 2 weeks from initial analysis to deployment. Results were measured over a 4-week testing period with consistent uplift across all key metrics.

ROI Analysis

Understanding the business impact of conversion rate optimization at scale.
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Revenue Impact

For an 8-figure business generating €10M+ annually, an 18.49% conversion rate improvement translates to approximately €2.6M in additional annual revenue.

Monthly impact: €216,364 in incremental revenue from mobile traffic alone, with compounding effects as traffic scales.
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Investment ROI

CRO sprint investment represents a fraction of monthly revenue gain, with the improvements delivering ongoing value with no recurring costs.

Expected payback period: Less than 1 week of incremental revenue, with benefits continuing indefinitely.

Key Success Factors
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Data-Driven Decisions

Every change was backed by analytics, heatmap analysis, and user behavior data to ensure maximum impact on conversion rates.
Black and white icon of a web page layout with three smaller sections.
Above-the-fold Strategy

Concentrating conversion elements in the initial viewport eliminated friction and reduced bounce rates significantly.
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Mobile-First Approach

Prioritizing mobile experience where the majority of e-commerce traffic originates, with responsive design principles applied throughout.
Rapid Implementation

Quick iteration and deployment allowed for immediate results measurement and optimization, accelerating the path to revenue impact.

The Bottom line

This CRO sprint demonstrates that strategic, data-driven design improvements can deliver exceptional ROI for established e-commerce brands. Small investments in mobile optimization yield disproportionate returns when applied to high-traffic, high-revenue businesses.

Key Takeaways

Lessons learned from optimizing mobile shopping for an 8-figure brand.
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Mobile PDP optimization delivers immediate ROI for established brands
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Above-the-fold placement of conversion elements is critical
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Image format decisions significantly impact content hierarchy
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Social proof (reviews) must be visible at decision points
Green check mark inside a green circle on a white background

Sticky CTAs reduce friction in the purchase journey
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Even small UX improvements compound at scale

Porfolio Case Study

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CRO Sprint • 1 Week • +1.50% Conversion Lift • €120K Annual Impact