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Building an Internal Component Library to Accelerate Magento & PWA Development

An e-commerce agency needed a faster, more efficient way to build Magento & PWA sites. We designed a scalable UI component library that cut development time by 60% and ensured design consistency across projects.

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Services

Market Research
Branding
UX Design
Frontend Engineering

Duration

3 months

Domain

E-commerce

Type

B2B SaaS

Introduction

Index had previously delivered several custom e-commerce UX solutions for this client, establishing a strong long-term partnership. As the client continued scaling, they recognized a key inefficiency in their Magento & PWA development workflow—their teams were spending too much time recreating common UI components for every project.

To solve this, they approached us with a challenge:
Can we create a scalable UX framework using PWA that standardizes UI components while ensuring flexibility and efficiency?

This required a deep understanding of their existing processes, Magento Commerce’s capabilities and limitations, and how their team typically worked. Our approach involved:

  1. Stakeholder discussions to gather insights into workflows, design bottlenecks, and commonly used UI patterns.
  2. Researching Magento, PWA, and third-party libraries to identify constraints and opportunities.
  3. Analyzing competitors in similar spaces to understand best practices while ensuring differentiation.

With our strong expertise in e-commerce UX, CX, and CRO, we built an intuitive, reusable component library that optimized the agency’s internal development process and significantly reduced design-to-deployment time.

Our developers struggle with repetitive coding, slow deployments, and no standardized components for Magento & PWA.

The Challenge: Repetitive UI Development Slowing Down Project Timelines

The client, a leading e-commerce agency specializing in Magento & PWA, was facing significant inefficiencies in their development process. Each time they onboarded a new client, their developers had to recreate common UI components from scratch, leading to:

  1. Inconsistent designs across projects
  2. Longer development cycles
  3. Higher resource costs and lower efficiency

To solve this, they needed a centralized UI component library—a pre-built, reusable system that would streamline development, improve design consistency, and reduce repetitive coding efforts.

To solve this, they needed a centralized UI component library—a pre-built, reusable system that would streamline development, improve design consistency, and reduce repetitive coding efforts.

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Step 1: Discovery & UX Strategy

We started by immersing ourselves in the agency’s internal workflow to identify inefficiencies and areas for improvement. Our research focused on:

  1. Understanding how their teams work – What processes were slowing down UI development? What components were being repeatedly built from scratch?
  2. Assessing Magento Commerce & PWA limitations – Could we build completely independent components, or were there technical constraints?
  3. Mapping the most used UI components – Which design elements appeared in most projects (e.g., product grids, checkout flows, category filters)?
  4. Evaluating competitive solutions – Studying platforms like Tailwind UI, Builder.io, and Webflow to identify gaps and opportunities.

Key Insight: The most commonly used service was fashion e-commerce, making it the ideal base for structuring the library.

Key Deliverables

✅ UX Strategy Document 
✅ Component Prioritization Plan
✅ Competitive Benchmarking Report

Step 2: Information Architecture & Structure

With a clear direction, we structured the component library to ensure:

  1. Logical grouping of UI components – Defined by use case (e.g., Checkout, Product Display, Navigation, Upselling, Forms).
  2. Scalable organization – The structure allowed future expansion without disrupting existing workflows.
  3. Seamless integration into projects – Ensuring Magento/PWA teams could adopt and customize components efficiently.

We also designed interactive flows that mapped the end-to-end journey from theme selection to checkout. This ensured that all components worked cohesively and provided a consistent user experience.

Key Deliverables

✅ Information Architecture (IA) Document
✅ Component Grouping Framework
✅ Interactive Flow Maps

Step 3: UI Design & Theming System

To ensure flexibility and creative freedom, we provided the agency with:

  • Multiple theme styles – Including Minimal, Modern, and Clean layouts.
  • A modular design system – Allowing teams to mix and match components based on project requirements.
  • Fully customizable components – Ensuring seamless adaptation to different brand aesthetics.

The UI library included:
✔ Product grids, sliders, and category layouts
✔ Navigation systems and mega menus
✔ Checkout flows with cart, payment, and review steps
✔ Personalization modules (upselling, recommendations, promotions)
✔ Form elements (login, registration, and filters)

Key Deliverables

✅ High-Fidelity UI Designs
✅ Interactive Prototypes
✅ XD-Based Component System

Step 4: Validation & Usability Testing

Before finalizing the component library, we tested it extensively with internal teams. This included:

  1. Developer testing – Ensuring components were easy to integrate with Magento & PWA.
  2. Designer testing – Checking if the design system maintained flexibility without compromising consistency.
  3. Real-world simulation – Using test projects to validate efficiency, scalability, and usability.

Key Learnings & Refinements:

✔ Developers reported a 60% reduction in front-end coding time.
✔ Designers found it easier to maintain brand consistency while offering customization options.
✔ Adjustments were made to improve modularity and responsiveness.

Key Deliverables

✅ Usability Testing Report
✅ Refined UI Components
✅ Customization Guidelines

Developers eliminated repetitive coding and slow deployments with a reusable component library, enabling faster, standardized Magento & PWA development.

Reduced front-end development time by
0%
Ensured design consistency across all projects by
0%
UI components reused across builds by
0%