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Web Development

Web Development — Practical guides on web development, Flutter, n8n automation, and digital strategy. Real project insights from a senior-only agency.

44 articles

·13 min read

Building a Design System in Next.js with Radix UI, Tailwind, and Storybook: End-to-End Guide for 2026

A practical, production-ready approach to building and maintaining a Next.js design system using Radix UI for accessibility, Tailwind for styling, and Storybook for documentation, testing, and versioned releases.

Next.jsDesign SystemStorybookTailwind CSSRadix UIAccessibilityMonorepoTesting
Adrijan OmićevićRead Article
·14 min read

The React Code Review Checklist We Use: Performance, Accessibility, and Maintainability

A practical React code review checklist focused on performance, accessibility, and maintainability, with examples, automation tips, and a copy-paste template.

ReactCode ReviewPerformanceAccessibilityTestingTypeScript
Adrijan OmićevićRead Article
·16 min read

Next.js Multi‑Region Deployments: Patterns for Lower Latency on Vercel and Cloudflare

A practical guide to Next.js multi-region deployment in 2026: edge rendering, regional SSR, and data locality patterns on Vercel and Cloudflare, including database caveats and a latency validation checklist.

Next.jsVercelCloudflareEdge ComputingPerformanceArchitectureLatency
Adrijan OmićevićRead Article
·13 min read

Next.js Monorepo with Turborepo + pnpm Workspaces: A Practical Setup Guide for 2026

Set up a production-ready Next.js monorepo using Turborepo and pnpm workspaces, with shared packages, linting, testing, and CI caching—plus the trade-offs and pitfalls to avoid.

Next.jsMonorepoTurborepopnpmWorkspacesCI/CDTypeScript
Adrijan OmićevićRead Article
·18 min read

React Accessibility Checklist: ARIA, Keyboard Navigation, Focus Management, and Testing (2026)

A developer-focused React accessibility checklist covering ARIA, keyboard navigation, focus management, and automated testing with axe and Playwright — with concrete examples for forms, modals, menus, and toasts.

ReactAccessibilityA11yARIATestingPlaywrightaxeFrontend
Adrijan OmićevićRead Article
·16 min read

React Table Virtualization & Infinite Scroll: Building Fast Data Grids with TanStack (2026 Guide)

Learn React table virtualization with TanStack Table, TanStack Virtual, and React Query: efficient rendering, infinite scroll, server-side sorting/filtering, URL sync, selection persistence, and optimistic updates.

ReactTanStack TableVirtualizationInfinite ScrollReact QueryPerformance
Adrijan OmićevićRead Article
·17 min read

Next.js Real-Time Features: WebSockets vs SSE vs Supabase Realtime (When to Use What)

A practical comparison of Next.js real-time options—WebSockets, Server-Sent Events, and Supabase Realtime—covering hosting constraints, scalability, auth, cost, and which to use for chat, dashboards, notifications, and collaborative editing.

Next.jsReal-timeWebSocketsSSESupabaseArchitectureScalability
Adrijan OmićevićRead Article
·16 min read

Next.js Rate Limiting & Bot Protection: Patterns for APIs, Server Actions, and Edge (2026 Guide)

Practical Next.js rate limiting patterns for Route Handlers, Server Actions, and Edge runtime — with token bucket strategies, Redis-backed limits, WAF/CDN rules, monitoring, and false-positive mitigation.

Next.jsSecurityRate LimitingBot ProtectionEdgeRedisVercelCloudflare
Adrijan OmićevićRead Article
·16 min read

Next.js SaaS Onboarding Checklist: Accounts, Permissions, Emails, and Trials (App Router, 2026)

A production-ready Next.js SaaS onboarding checklist covering authentication, organizations, invites, RBAC, transactional emails, and trial-to-paid conversion with practical patterns, libraries, and pitfalls.

Next.jsSaaSOnboardingAuthenticationStripeEmailRBACApp Router
Adrijan OmićevićRead Article
·16 min read

React Query at Scale: Cache Invalidation, Pagination, and Mutation Patterns for Real Apps

React Query cache invalidation best practices for real-world apps: scalable query key design, invalidation strategy, optimistic updates, infinite queries, and background refetching in Next.js App Router.

ReactReact QueryTanStack QueryNext.jsApp RouterCachingPerformanceFrontend Architecture
Adrijan OmićevićRead Article
·13 min read

React Performance in 2026: Profiling, Memoization, and Rendering Patterns That Actually Work

A practical step-by-step guide to React performance profiling and memoization in 2026: how to diagnose slow UIs with React DevTools Profiler and why-did-you-render, pick the right rendering patterns, and avoid premature optimization.

ReactPerformanceProfilingMemoizationNext.jsFrontend
Adrijan OmićevićRead Article
·15 min read

Next.js Edge Runtime vs Node.js Runtime (Vercel and Cloudflare): What to Run Where

A practical decision framework for choosing Next.js Edge Runtime vs Node.js Runtime in 2026, with real examples, limitations, and a final use-case matrix.

Next.jsVercelCloudflareEdge RuntimeNode.jsPerformanceArchitecture
Adrijan OmićevićRead Article