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Go fast and don't break things
Korneliusz philosophizes about how software can be developed fast, without breaking it.
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How to Optimize Core Web Vitals in NextJS App Router for 2025
Unlock faster, smoother Next.js apps by mastering Core Web Vitals: LCP, INP, and CLS. Learn advanced tactics like reducing runtime overhead, streaming with React Server Components, smart image handling, and optimizing third-party scripts to boost UX and SEO.
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Definitive Guide on Staff Augmentation in 2025
Discover everything you need to know about staff augmentation in 2025—from models and processes to AI impacts, compliance updates, and cultural challenges. Learn how to select partners, set budgets, and avoid common pitfalls to seamlessly expand your team’s capabilities.
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The Definitive Guide on SaaS Development in 2025
Discover everything you need to know about SaaS development in 2025—from core benefits and architecture to building your product step-by-step. Explore emerging trends like AI, sustainability, compliance, and flexible pricing to future-proof your SaaS success.
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The Top Agile Metrics to Improve Team Performance
Master essential Agile metrics like Velocity, Sprint Burndown, Lead Time, and advanced measures such as DORA and Psychological Safety to boost your team’s delivery performance. Learn their uses, pitfalls, and how to leverage insights for continuous improvement and real value.
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Innovative Ecommerce Strategies in 2025
Discover the top ecommerce trends shaping 2025 and beyond—from AI-driven hyper-personalization and immersive AR/VR experiences to ultra-fast delivery, sustainable practices, and booming social commerce. Stay ahead with insights on market growth, platform shifts, and emerging product categories.
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The Definitive Guide on Web Analytics
Discover the power of web analytics to transform your website. Learn key metrics, top tools, privacy-compliant tracking, heatmaps, and predictive models to boost user engagement and conversions. Master data-driven decisions for smarter marketing and growth.
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The Definitive Guide on Website Migrations
Planning a website migration? This comprehensive guide covers everything—from types of migrations and SEO risks to detailed planning, execution, and post-launch monitoring. Learn how to preserve structured data, boost Core Web Vitals, handle multilingual sites, large e-commerce catalogs, and stay compliant with privacy laws. Ensure a smooth transition that enhances user experience and search rankings.
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The Definitive Guide on How Long It Takes to Build an MVP
Building an MVP typically takes 1–6 months, with simpler solutions launching in weeks. Learn the key development phases, factors that impact timelines, common pitfalls to avoid, and strategies to speed up delivery—so you can confidently bring your idea to market faster.
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The Hard and Soft Skills a React Developer Should Have
Discover the essential React developer skills for 2025, from mastering JavaScript fundamentals to advanced techniques like TypeScript, SSR, and performance optimization. Learn which technical and soft skills recruiters value to boost your career and build standout React apps.
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Guide for Scaling Tech Teams: Outsource for Flexibility
Ready to scale your engineering team sustainably? Learn how to assess skills, standardize processes, integrate external talent, navigate time zones, secure IP, and use tailored KPIs. Unlock actionable strategies to grow your team while maintaining quality and cohesion.
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What are Single Page Applications? A Non-Technical Breakdown
Discover how Single-Page Applications (SPAs) transform web experiences with fluid, app-like interactions, offline support, and faster navigation. Learn their benefits, challenges, top frameworks, and expert tips for building, monitoring, and optimizing SPAs that feel native and perform at scale.
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Migrating from NextJS to Astro: Step by Step Guide
Ready to migrate your Next.js project to Astro? This comprehensive guide covers everything—from setup and page migration to advanced topics like API routes, internationalization, SEO, CMS integration, and large-scale strategies—empowering you to build faster, leaner web apps with Astro’s island architecture.
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Convex vs Supabase: What should you choose in 2025
Explore the key differences between Convex and Supabase as full-stack backend platforms. Learn about their architecture, open-source status, AI capabilities, pricing, compliance, performance, and migration tools to choose the best fit for your next web or mobile app project.
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Why ReactJS App Development is Ideal for Real-Time Dashboards and Data-Heavy Interfaces
Discover how to build fast, responsive real-time dashboards with React. This guide covers component reuse, Virtual DOM optimizations, streaming data integration (WebSockets, SSE, GraphQL, MQTT, WebRTC), React 18 features, code splitting, and accessibility best practices for seamless user experiences.
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How a Dedicated ReactJS Agency Delivers Scalable Fintech Apps
Discover why ReactJS is ideal for building scalable fintech apps with fast, interactive UIs and reusable components. Learn key design, performance, and security best practices, plus how cutting-edge AI features like fraud detection and generative compliance tools can elevate your platform.
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Why a Specialized JavaScript Development Agency Instead of Hiring a Internal Team
Hiring a JavaScript development company cuts costs, speeds delivery, and grants access to rare expertise. Benefit from flexible scaling, 24/7 global coverage, reduced admin hassle, and seamless project continuity—ensuring your product launches faster and stays future-proof.
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ReactJS Web Development for Healthcare Solutions: Secure, Fast, Compliant
Discover how ReactJS revolutionizes healthcare apps with fast, secure portals and cross-platform React Native tools. Explore AI integrations—from diagnostic image analysis to predictive analytics—that empower clinicians and improve patient care through smart, tailored interfaces and real-time insights.
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Top 7 Questions to Ask Before Hiring a ReactJS Development Company
Looking for the ideal ReactJS development partner? This guide helps you vet vendors by evaluating expertise, development processes, security, team composition, QA, communication, and pricing—ensuring you choose the right team to bring your project to life efficiently and securely.
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Develop AR/VR with React
Discover how to build immersive VR and AR experiences using React. This guide covers setting up your environment, crafting interactive 3D scenes with React Three Fiber, optimizing performance, managing state, and adding advanced features like real-time collaboration and accessibility support.
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ReactJS Agencies vs. Freelancers: What Delivers Better ROI for Your Business?
Choosing between a ReactJS agency and a freelancer goes beyond hourly rates. This guide reveals hidden costs, IP risks, communication styles, burnout dangers, and AI tool access—helping you pick the ideal partner to fit your project's scope, speed, and long-term needs.
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Tools & Tips for Mobile App Prototyping
Master mobile app prototyping from defining clear goals and user journeys to choosing the right fidelity and tools. Explore AI-powered design, voice simulation, multi-device testing, and seamless collaboration to create intuitive, user-ready prototypes that accelerate development.
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Essential Mobile App Development Trends in 2025
Discover the top mobile app development trends for 2025, from AI-driven personalization and 5G network-aware design to immersive AR/VR, federated learning, touchless interfaces, and super apps. Stay ahead with innovations shaping the future of mobile experiences.
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How to Choose the Right JavaScript Development Agency for Your Project in 2025
Choosing the best JavaScript development company in 2025 means more than coding skills—it’s about clear project goals, modern tech expertise, seamless communication, security, and future-proofing. Discover essential tips to select a partner who delivers quality, support, and scalability.
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Why ReactJS Is the Go-To Framework for Startup Web Development
When you finish this read, you’ll understand why ReactJS often tops the stack for early-stage ventures. You’ll learn its core benefits, common use cases, potential pitfalls, hiring tips—and fresh insights on rapid prototyping, serverless integration, cost savings from its open-source ecosystem, plus real-world success stories.
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Top JavaScript Development Agencies for Startups and Scaleups [2025 List]
Discover the top JavaScript development agencies for startups and scaleups in 2025. Learn how domain expertise, flexible hiring models, open-source leadership, and robust DevOps practices drive fast, reliable product launches and hypergrowth success stories.
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Comprehensive Guide to ReactJS Code Review and Audit Services
By the end of this article, you’ll understand the core components of a ReactJS code audit, the challenges posed by legacy codebases, how to spot security pitfalls, which automated tools can speed up your review, best practices around hooks and custom patterns, and strategies for ensuring accessibility.
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JavaScript Development Services: What to Expect from a Professional Agency
Discover what top JavaScript agencies offer in 2024—from core front-end and back-end development to cutting-edge runtimes like Bun & Deno, framework choices like React, Vue & Svelte, legacy modernization, real-time features, and expert consulting to future-proof your project.
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Building a React.js SaaS Product: From MVP to Scale
In this guide you’ll discover how to take your SaaS idea from a minimum viable product to a platform that serves thousands. You’ll learn core React.js techniques, advanced strategies for growth, and practical tips on security, performance, and global readiness.
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Strategies for migrating from Angular to ReactJS
Ready to migrate your Angular app to React? This practical guide walks you through planning, choosing the right strategy, automating code transformation, handling key differences like templates and state, and ensuring smooth rollout—helping you transition efficiently without losing quality.
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Why React.js Is the Ideal Framework for Your Startup
When you’re launching a new venture, choosing the right front-end technology can make or break your timeline, budget and future growth. In this article you’ll discover why React.js remains the go-to for early-stage companies and learn several lesser-known advantages—like easier hiring, streamlined code maintenance and truly unified cross-platform development—that set React apart from other frameworks.
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Typescript vs Javascript: What's the big deal?
Discover the key differences between TypeScript and JavaScript, why TypeScript is gaining popularity for large projects, and how its advanced static typing improves code safety, maintainability, and developer experience. Find out which suits your next project best!
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How to Choose the Best React.js Development Agency for Your SaaS or Startup
When you need a React.js partner you can trust, you want a clear process to compare firms, validate their skills and ensure they fit your SaaS or startup’s needs. Read on to learn the exact checklist, plus deeper insights on DevOps, accessibility, SaaS-specific challenges and more.
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Which language for your backend: Python vs Javascript
Python and JavaScript (Node.js) remain top backend choices in 2025. This article compares their performance, ecosystems, learning curves, and use cases—from AI/ML to IoT and serverless—helping you pick the ideal language for your next web service or API project.
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ML vs AI: What's the difference Between Artificial Intelligence and Machine Learning
Explore the key differences between Artificial Intelligence and Machine Learning, their historical roots, leading techniques like transfer learning, and why explainability matters. Discover real-world examples and how ML drives innovation across today’s enterprises.
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Why web accessibility matters in e-commerce
Discover how accessible e-commerce unlocks a $13 trillion market by making your online store usable for all shoppers, including those with disabilities. Learn key barriers, essential design steps, and testing tips to boost sales, avoid legal risks, and grow with inclusion.
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How to stay compliant to the European Accessibility Act in 2025
Discover the European Accessibility Act (EAA) and how it mandates inclusive design across digital products, services, and hardware in the EU by 2025. Learn what’s covered, key compliance steps, assistive tech roles, cross-border rules, and how to turn accessibility into a competitive advantage.
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Pitfalls of AI Agents and Recommended Guardrails
Discover the key risks of autonomous AI agents—from unpredictable behavior and security flaws to bias, job impacts, and emerging challenges like interoperability conflicts and legal liability—and learn proven strategies to build and deploy them responsibly for a safer, more accountable future.
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Pros and Cons of Headless CMS
Discover the essentials of headless CMS—how it decouples content from presentation for omnichannel delivery, developer freedom, and scalability. Explore benefits, challenges, SEO strategies, localization, and vendor lock-in to make informed content management decisions.
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Astro vs NextJS for Marketing Websites
Astro and Next.js each shine in different scenarios: Astro excels at ultra-fast, content-focused static sites with minimal JavaScript, while Next.js powers dynamic, interactive apps with server-side rendering and edge features. Discover which fits your project best.
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From Idea to Launch: How to Partner with a React.js Agency for Your MVP
You're about to discover how teaming up with a React.js agency can turn your concept into a live, testable product quickly and reliably. You'll learn why React excels for MVPs, how to pick the right partner, avoid common traps, secure your intellectual property and even gain insights from projects that didn’t succeed.
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Best Headless CMS for headless Shopify: Sanity CMS
Discover how combining Shopify with Sanity’s headless CMS empowers you to build fast, flexible, and omnichannel e-commerce experiences. Unlock advanced features like real-time collaboration, GROQ queries, and custom content modeling to create a next-level storefront tailored to your brand.
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Building a Secure and Scalable Frontend for Your Token Sale
In this guide, you’ll discover how to craft a frontend that remains responsive under heavy load, safeguards investor data and delivers a seamless experience on any device. You’ll learn best practices drawn from top resources plus fresh strategies—like decentralized identity, gamification and offline capabilities—that set your token sale apart.
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Web Frontend Risks in DApp Development: What You Must Know
When you build a decentralized application (DApp), the smart contracts often get all the attention. Yet the web frontend—the user interface that talks to your blockchain—can introduce just as many hazards. In this article you’ll learn what goes into a DApp frontend, explore its weakest points, and discover strategies to avoid costly pitfalls.
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How to Pick the Right Development Partner for Your Blockchain Platform's Frontend
Choosing the ideal team to build your blockchain frontend can make or break your project. In this guide, you'll learn how to define your needs, vet technical skills, ensure smooth collaboration and uncover specialized areas—like decentralized identity and real-time performance—that set top partners apart.
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Choosing the Best Headless CMS: Storyblok vs Payload vs Sanity
In this comparison you’ll discover the core strengths and trade-offs of Storyblok, Payload and Sanity, plus advanced factors—like AI automation, security certifications and total cost of ownership—that top articles rarely cover. By the end, you’ll know exactly which CMS fits your project.
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Why Startups Are Ditching WordPress: A Look at Headless CMS in 2025
By reading this, you'll understand what a headless CMS is, why it's attracting fast-moving startups, and which emerging trends will shape your content strategy in 2025 and beyond.
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How to Hire a React.js Development Team Without Losing Momentum (Or Budget)
By the time you finish this guide, you’ll know exactly how to define your project scope, identify the right talent, structure your team for peak productivity, navigate legal and cost considerations, and keep development humming—even when scaling up or down.
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Choose the Right ReactJS Development Partner
By the end of this guide, you’ll know exactly what to look for in a React.js agency—from core skills and emerging best practices to pricing models and post-launch support—so you can make a confident choice.
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Choosing Between Storyblok and WordPress: A Comprehensive Guide
By reading this article, you’ll learn how traditional and headless CMSs differ, what each platform offers in terms of editing, performance, security and community, and which one aligns best with your project goals. You’ll also discover practical tips on migration, SEO tactics, accessibility compliance and real-world success stories.
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React.js Development: In-House Team vs Agency—Which Fits Your Project?
When you’re planning your next React.js project, deciding between hiring an internal team or partnering with an external agency can feel like standing at a crossroads.
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How to Hire React.js Developers: A Complete Guide
When you finish reading this, you’ll know how to find, vet, and onboard React.js developers who not only have the right technical chops but also blend well with your culture. You’ll learn where to look, what to ask, how much to budget, and ways to keep your hires growing.
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The Role of React.js in Modern E-commerce: Faster, Smarter, Better
E-commerce has come a long way from clunky online stores that took forever to load. In today’s digital landscape, speed, user experience, and scalability define success. If your online store isn’t fast, intuitive, and optimized, you’re losing customers—probably to a competitor who understands this better.
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React vs. Next.js: Which One is Right for Your Web App?
Choosing the right framework for your web application can feel like picking between two excellent but slightly different tools. If you’re planning to build a web app, chances are you've come across React and Next.js. Both are popular, both are powerful, and both can help you build amazing applications. But which one is the right choice for your project?
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Building Scalable Web Apps with Next.js: A CTO’s Guide
Scalability is no longer optional—it’s the make-or-break factor for modern web apps. In this guide, we’ll show CTOs how to leverage the flexibility and performance of Next.js to build apps that scale smoothly with user growth, evolving requirements, and business goals.
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Hiring a React Native Developer: The Complete Guide for Businesses
Discover how to find and hire the best React Native developers to build high-performance mobile applications.
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Hiring a Next.js Developer: A Complete Guide for Businesses
Discover what to look for when hiring a Next.js developer and how to build a high-performance web team.
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Composable Commerce: The Future of Scalable and Flexible E-Commerce
Understanding Composable Commerce: Why It Matters for Modern Online Retail Discover how composable commerce is reshaping e-commerce by enabling businesses to build scalable, flexible, and high-performing digital storefronts.
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Understanding React.js: Why It Matters in Web Development
Discover the significance of React.js in creating dynamic and responsive web applications
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Why NextJS for your Website or Web Application
Why are leading companies choosing NextJS as their web framework? Kalle drills into the details from a business perspective.
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PPC: Integrating Meta and Google Ads with Google Tag Manager
Pay-per-click (PPC) advertising is great when you don't have time to wait to grow organic SEO to reach your target audiences. We'll focus on Meta and Google ads and integrating them with GTM.
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A Primer on GTM and GA
What is GTM (Google Tag Manager) and GA (Google Analytics)? What tasks does each have and how are they related?
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Product Customizers with Kickflip and Headless Commerce
Discover how to elevate your e-commerce with Kickflip, using headless commerce for unique, personalized shopping experiences that stand out.
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Navigating Infrastructure Choices: Serverless, Serverful, and Platforms on the Cloud
A guide in selecting the ideal infrastructure solution for your software project, considering serverless, serverful, and platform options. Make informed decisions to align with your project's unique requirements and goals.
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The Dynamic Trio: Storyblok, Vector DBs, and Chatbot - Fueling Conversations with Data Magic!
Unlock the full potential of OpenAI's Chatbot by leveraging the power of long-term memory using Vector Database (DB) and Storyblok. This article unveils the secrets behind seamless data ingestion and retrieval, enabling dynamic and engaging conversations.
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Get your ReactJS app in front of customers in weeks, not months
Kalle stresses the fact that productive React developers are great listeners that understand your business and empathize with your clients, and use tools they're well acquainted with, and work in small kick-ass teams.
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Top Tips for a Seamless Content Migration to Storyblok
Switching from a traditional content management system (CMS) like WordPress to a powerful, flexible, and user-friendly platform like Storyblok can be challenging, but the benefits are undeniable. At Makers' Den, we're committed to helping our clients make a smooth transition from WordPress to Storyblok. In this article, we'll share our top tips for a seamless content migration process, ensuring that you can take full advantage of this innovative headless CMS.
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Why Your Business Should Consider React Native for App Development
Choosing the right tech for your app is daunting task – especially with so many options. React Native has emerged as one of the most popular platforms for app development
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Shopify and Hydrogen: A perfect combination for your composable commerce stack
Composable commerce architecture has been gaining in popularity in recent years. Whether it’s due to the agility, scalability, or cost efficiency it offers, this approach to building and developing online stores seems a safe bet for today’s ambitious online stores.
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The speed advantage: Why Storyblok and Jamstack are the perfect match to ace your core web vitals
Web performance is a crucial factor for website owners and developers as it directly affects the user experience of their visitors. In recent years, the rise of the Jamstack architecture has provided an efficient way to build fast websites that rank high in SERP. Storyblok is a headless CMS that is built to work with Jamstack, providing the speed advantage necessary to ace your site’s Core Web Vitals metrics. In this article, we will try to provide a high-level overview of the benefits of using Storyblok to get better Core Web Vitals in Jamstack architecture. But first, let’s quickly go over the basics.
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Reverse Engineering Styled Components
CSS-in-JS is cool, but how does it really work? Turns out it's not that difficult to create a styled-components like library yourself. Find out how right here.
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A look at Google Core Web Vitals
Google's Core Web Vitals are an SEO ranking factor that is increasing in importance. We know how to please Google's black box.
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How to write a winning project proposal
Before you get to do a project, you need to convince your management that it has wortwhile ROI. This is how you do it.
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How to Estimate Software Projects
Everyone needs to set budgets, and for that we need to make estimates whether you like it or not. We've developed a process for estimation.
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FLIP animation in React
First, Last, Invert and Play - aka FLIP animations. It's a cool technique you can leverage to do smooth animations used in libraries like Framer, and enables animating CSS layouts like flex and grid.
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Reducing gitlab runner cost with AWS Spot Instances
We all like to save money, and by running your Gitlab runners on AWS spot instances, you can save a bunch.
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Integrating with Klarna Payments
The #1 resource on how to integrate with Klarna's payment API to deliver a kick-ass in-store checkout app.
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ReactJS 3d Map DataViz with DeckGL: Flights of Berlin
Kalle created a nice 3d map visualisation of flights coming in and out of Berlin. It's based on raw data from OpenSky and the visualisation is done with DeckGL on top of ReactJS.
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RedwoodJS
Who will become the Ruby on Rails of Javascript? RedwoodJS certainly wants to.
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KitaExpert - ending preschool struggles
Finding a Kindergarten spot in Berlin is hard. So obviously we built a JAMStack app to help with this.
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PWA in 2020, come on Apple!
PWAs have been on the verge of breakthrough for years - but there's always some small thing missing.
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Hacking smart contracts
To defend against hacks for your smart contracts, the best way is to learn how to hack them.
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A sectional website builder with Prismic.io, React and Gatsby.JS
I’ll show you how Makers’ Den created a custom sectional website builder for Friday.de using Prismic.io, ReactJs and Gatsby.js.
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Implementing the friday.de design system in React
How did we create a design system and re-usable component library from scratch with ReactJS and CSS-in-JS?
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The most market-driven restaurant
Uniswap is an automated token exchange running on Ethereum blockchain. Kimi elaborates on how it could be used to run a restaurant.
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Why JAMStack
JAMStack (Javascript, Apis and Markup) is synonymous with web apps that have no runtime backends components, except lightweight API dependencies.
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Svelte 3
Svelte3 is one of the newest contenders for relevant frontend frameworks. It unique value prop is compiling the frameworks itself away during build time.
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Go fast and don't break things
Korneliusz philosophizes about how software can be developed fast, without breaking it.
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A look inside React Fiber
Korneliusz did a deep dive into React Fiber before it was cool. This seminal article is an in-depth analysis of the topic and goes down into the nitty gritty of concurrent rendering in React, including the source code itself.
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