Frontend Error Tracking: Session Replay and RUM
Backend metrics show healthy traffic while the user sees a white screen. Frontend observability closes the gap between …
Web Performance: Core Web Vitals Engineering
Core Web Vitals directly affect search ranking and user retention. The real work is diagnosing why metrics degrade and …
Accessibility Engineering at Scale
Automated scanners catch 30% of issues. Real accessibility requires screen reader testing, keyboard architecture, and CI …
Design Tokens: One Change, Every Platform
Most design systems fail not because of bad design, but because the token layer was an afterthought instead of …
Progressive Web Apps: Offline-First That Works
The demo always works. Production offline-first means cache versioning, sync conflicts, and IndexedDB patterns that …
SPA Architecture: Rendering Strategies for Scale
CSR, SSR, SSG, ISR. Each rendering strategy has a performance envelope. Choose wrong and you pay the SPA tax on every …
Real-Time Personalization Architecture
Serve targeted relevance without adding 500ms of latency to the critical path.
Design Systems: From Figma File to Production Infrastructure
A real design system is versioned UI infrastructure, not a style guide or a Figma library.