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.

53 articles

·15 min read

Web Application Observability: A Practical Guide to Logging, Metrics, and Tracing for React and Next.js

An end-to-end, production-ready observability setup for React and Next.js: error tracking, performance monitoring, structured logs, tracing, dashboards, and alerts that catch real issues.

ObservabilityNext.jsReactLoggingMetricsTracingSREDevOps
Adrijan OmićevićRead Article
·13 min read

React Component Architecture for Scale: Patterns for a Maintainable Design System

A pragmatic React component architecture for large React and Next.js codebases: composition, compound and polymorphic components, theming, folder conventions, anti-patterns, and a refactoring playbook your team can follow.

ReactNext.jsDesign SystemsArchitectureTypeScriptUI Engineering
Adrijan OmićevićRead Article
·16 min read

Next.js Authentication in 2026: NextAuth vs Clerk vs Supabase (What We Use for Client Projects)

A practical comparison of Next.js authentication options in 2026 — NextAuth, Clerk, and Supabase — across UX, security, cost, setup time, and enterprise requirements, with decision matrices for SaaS, internal tools, and B2B portals.

Next.js authenticationNext.jsApp RouterNextAuthClerkSupabaseSecuritySaaS
Adrijan OmićevićRead Article
·14 min read

Next.js App Router Migration Checklist (From Pages Router) + Common Pitfalls

A practical, step-by-step Next.js App Router migration plan from Pages Router, including a checklist for routing, data fetching, SEO metadata, deployment, and a troubleshooting guide for common pitfalls.

Next.jsReactApp RouterMigrationSEODeploymentPerformance
Adrijan OmićevićRead Article
·13 min read

Tailwind CSS Best Practices: Building Maintainable UIs (Production Patterns for 2026)

A production-focused guide to tailwind CSS best practices: component patterns, custom config, dark mode, responsive strategy, and copy‑pasteable examples for maintainable UIs.

Tailwind CSSCSSFrontendNext.jsDesign SystemsBest Practices
Adrijan OmićevićRead Article
·19 min read

Web Application Security Checklist for 2026 (Next.js + OWASP Top 10)

A practical web application security checklist for 2026, focused on Next.js: OWASP Top 10 coverage, authentication, input validation, CSP, HTTPS, and production-ready headers.

SecurityNext.jsReactOWASPWeb DevelopmentChecklist
Adrijan OmićevićRead Article
·15 min read

React Server Components (RSC): What They Are and How to Use Them in Next.js App Router

A practical 2026 guide to React Server Components: what they are, why they matter, and how to use server vs client components correctly in Next.js App Router with copy-pasteable examples.

ReactNext.jsReact Server ComponentsPerformanceWeb DevelopmentGuide
Adrijan OmićevićRead Article
·12 min read

Technical SEO for Developers (Next.js): Everything You Need to Know in 2026

A practical, developer-focused guide to technical SEO in Next.js: meta tags, structured data, Core Web Vitals, sitemaps, robots.txt, canonical URLs, and production-ready examples.

SEONext.jsTechnical SEOWeb PerformanceJavaScript
Adrijan OmićevićRead Article
·15 min read

API Integration Guide: Best Practices for 2026

A practical API integration guide for 2026: REST vs GraphQL, authentication, error handling, retries, rate limiting, and production-ready Next.js API route examples.

APIIntegrationNext.jsRESTGraphQLSecurityWeb Development
Adrijan OmićevićRead Article
·13 min read

Best Headless CMS in 2026: Sanity vs Strapi vs Contentful (and 2 More)

A practical 2026 comparison of the top 5 headless CMS options—Sanity, Strapi, Contentful, Directus, and Storyblok—focused on developer experience, Next.js integration, features, and pricing.

best headless CMS 2026Headless CMSSanityStrapiContentfulNext.jsDirectusStoryblok
Adrijan OmićevićRead Article
·13 min read

Progressive Web Apps (PWA): Complete Guide for 2026

A practical progressive web app PWA guide for 2026: concepts, business benefits vs native apps, and a step-by-step Next.js implementation with manifest and service worker code.

PWANext.jsReactPerformanceWeb DevelopmentMobile
Adrijan OmićevićRead Article
·14 min read

Website Performance Optimization: The Complete Checklist (Next.js + Core Web Vitals) for 2026

A practical, production-ready checklist for website performance optimization in Next.js: Core Web Vitals, images, lazy loading, CDN, and caching—plus before/after metrics and copy-paste config.

PerformanceNext.jsCore Web VitalsCachingCDNImagesSEO
Adrijan OmićevićRead Article