Insights & Guides

Web Development

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

63 articles

·16 min read

React Virtualization Guide: Windowing Large Lists and Grids with TanStack Virtual (and When Not To)

A practical 2026 guide to React virtualization with TanStack Virtual: build fast lists and grids, add infinite loading and sticky headers, profile measurable gains, and avoid common edge cases like dynamic row heights and accessibility pitfalls.

ReactPerformanceTanStack VirtualVirtualizationInfinite Scroll
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·14 min read

Next.js Supabase Realtime in 2026: End-to-End Blueprint for Chat, Presence, and Collaboration

Build production-ready realtime UI with Next.js App Router and Supabase Realtime: schema design, RLS, optimistic updates, presence, scaling, and troubleshooting duplicate events and permission mismatches.

Next.jsSupabaseRealtimePostgreSQLRLSWebSocketsApp RouterChatPresence
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·15 min read

Next.js Authorization in the App Router: RBAC vs ABAC with Middleware, RLS, and Policy Patterns

A practical guide to Next.js authorization in the App Router using RBAC and ABAC — with middleware checks, server component guards, database-enforced RLS, decision matrix, and copy-paste policy patterns.

Next.jsAuthorizationSecurityRBACABACSupabasePostgreSQLApp Router
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·14 min read

React Testing Strategy in 2026: Vitest + React Testing Library + MSW for Confident Releases

A pragmatic React testing strategy for 2026 using Vitest, React Testing Library, and MSW. Learn a realistic test pyramid, reduce flakiness, and ship confidently with CI-ready patterns.

ReactTestingVitestReact Testing LibraryMSWCI/CDQuality Assurance
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·13 min read

Modern React Frontend Architecture: Feature-Based Modules, Boundaries, and Scalability

A practical guide to React frontend architecture feature-based modules: clear boundaries, shared layers, dependency rules, and a maintainable folder strategy for React and Next.js.

ReactNext.jsFrontend ArchitectureScalabilityCode OrganizationTesting
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·16 min read

Observability for Next.js App Router in 2026: Sentry, OpenTelemetry, Traces, and Actionable Alerts

End-to-end setup for Next.js logging, monitoring, and tracing with Sentry and OpenTelemetry across Server Actions, Route Handlers, and Edge versus Node runtimes—plus dashboards, alert thresholds, and session-to-trace correlation.

Next.jsObservabilitySentryOpenTelemetryLoggingTracingMonitoring
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·15 min read

Next.js App Router UX Patterns: Error Boundaries, Loading UI, and Streaming Done Right

A practical guide to resilient UX in Next.js App Router: route segment structure, error.tsx, loading.tsx, not-found.tsx, and Suspense streaming patterns for partial rendering, safer data fetching, and fewer layout shifts.

Next.jsReactApp RouterUXStreamingError HandlingPerformance
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·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
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·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
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·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
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·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
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·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
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