Discover the latest in frontend development with our comprehensive guides, tutorials, and industry insights.
A deep, interview-ready accessibility guide: semantic HTML first, ARIA rules, focus management, keyboard support, and common mistakes that break screen readers.
A deep, practical guide to Core Web Vitals for frontend interviews: what LCP/CLS/INP measure, common causes, how to debug in DevTools, and high-impact fixes.
A deep, practical guide to Service Workers: lifecycle, caching strategies (cache-first, network-first, stale-while-revalidate), offline support, and common pitfalls.
A deep, interview-ready guide to HTTP caching: Cache-Control directives, ETag/If-None-Match, Last-Modified, CDN caching, and how frontend apps should leverage caching safely.
A deep, interview-ready guide to how browsers render pages: DOM/CSSOM, render tree, layout (reflow), paint, compositing, GPU layers, and practical performance fixes.
A deep, interview-ready guide to CORS for frontend developers: preflight, simple requests, credentials, cookies, SameSite, and how to debug common failures.
A deep, interview-ready guide to browser storage: cookies vs Web Storage vs IndexedDB, quotas, security pitfalls (XSS), JSON patterns, and best practices for modern frontend apps.
