Accessibility-first marketplace redesign cuts complaint volume by 62% and increases buyer confidence

Tech · 7 min read

MarketLoop, a mid-stage C2C marketplace, received growing customer support complaints tied to accessibility barriers—keyboard traps, unlabeled images, and inconsistent heading structure. The product team committed to an accessibility-first redesign focusing on WCAG AA compliance and inclusive UX patterns. Rather than treating accessibility as a checklist, they embedded it into design tokens, component libraries, and QA processes.

The redesign replaced ad-hoc components with an accessible component library (ARIA-ready modals, labeled form fields, and semantic HTML templates). Designers introduced an accessibility token map for colors and spacing, which ensured contrast and focus indicators were consistent across features. The engineering team added automated accessibility regression tests in CI and expanded user testing to include participants using screen readers and switch devices.

Outcomes were dramatic: formal complaint volume related to usability dropped 62% in two months, and conversion among users who reported using assistive technologies increased by 44%. The work also reduced support load for the CS team and improved SEO due to better semantic markup. Short-term costs included reworking legacy pages and retraining engineers on ARIA best practices, but leadership reported a clear ROI through reduced refunds and higher retention in underserved segments.

MarketLoop’s example demonstrates that accessibility work can be simultaneously ethical and business-smart. The practical advice: invest in an accessible component library early, include assistive-device users in research, and automate accessibility tests in CI to prevent regressions. The redesign also emphasized that accessible UX tends to benefit all users, not just those with disabilities.