Case Study: Fast, frictionless mobile banking with Solara6’s edge platform. City National Bank transforms digital access and boosts performance.
Performance Optimization | UX Design | UI Design | Core Web Vitals | Mobile-First | Site Speed | Mobile Banking Design & Development
Solara6’s performance-driven rebuild helped City National Bank achieve dramatically faster load times and improved user completion across key banking flows.
The Client
City National Bank is a full-service financial institution offering personal and business banking services across the U.S. As mobile banking became central to customer engagement, CNB sought to deliver a more responsive and seamless experience for mobile users—without compromising security or accessibility.
Executive Summary
Solara6 partnered with City National Bank to elevate their mobile banking experience—prioritizing speed, usability, and technical performance. With a focus on key interactions like account management, fund transfers, and approvals, Solara6 implemented high-performance caching, layout stability enhancements, and mobile-first design updates. The result: a faster, more intuitive, and more secure experience for banking on the go.
The Challenge
CNB's mobile interface was experiencing delays in interactivity, inconsistent layout behavior, and slower performance on high-traffic days. With financial workflows like transfers and deposits being sensitive to lag and load times, the challenge was to improve performance across mobile channels while preserving usability and compliance with security standards.
Our Approach
Solara6 worked closely with CNB’s internal teams to enhance both backend performance and frontend UX across their mobile platform. The engagement focused on accelerating load speeds, optimizing key flows, and reducing friction for returning users.
Conducted in-depth UX audits to streamline task flows like transfers and approvals
Integrated caching and async resource loading to reduce time-to-interact
Enhanced layout responsiveness and visual hierarchy for smaller screens
Delivered improvements in Core Web Vitals such as INP, LCP, and CLS
Key Improvements
Performance
Edge caching and mobile asset prioritization
Asynchronous JS loading and CSS compression
UX Optimization
Simplified navigation and hierarchy across banking features
Improved tap targets and gesture support
Reduced layout shift and loading jank on secure pages
Collaboration
Worked hand-in-hand with CNB’s internal product and dev teams
Ensured zero disruption to critical services during rollout
Maintained regulatory compliance and brand standards throughout
What We Shipped
Performance-first mobile templates for account and transfer flows
Optimized caching and async asset delivery
Modular UI components aligned with CNB’s internal design system
Streamlined navigation and user paths across critical features
Looking Ahead
By combining technical precision with user-first design, Solara6 helped City National Bank create a fast, reliable, and intuitive mobile platform—enabling customers to bank with confidence on any device. Our approach minimized development friction, protected compliance integrity, and paved the way for future iterations and performance growth.
Want Similar Results?
Need to improve speed, clean up UX, or launch faster with fewer blockers? Solara6 partners with in-house teams to deliver performance-driven UX upgrades that don’t slow you down.
We move fast, align with your systems, and focus on what actually moves the needle.
Let’s talk about how we can help.