Blog: Tips and News
Practical resources for entrepreneurs and decision-makers who want to make the right technology choices.
Why This Blog?
At ZAX, we've been helping businesses with their web development projects for years. This blog is an opportunity to share our experience and help you make the right decisions for your projects.
Whether you're considering building a business application, launching a SaaS, or optimizing your processes with APIs, you'll find practical and actionable advice here.
Our Topics
- Custom web application development
- SaaS creation and launch
- MVP and idea validation
- API integrations and automation
- Technology choices and best practices
Featured Articles
MCP Servers Explained: What the Model Context Protocol Actually Standardises
MCP is described everywhere as USB-C for AI. That analogy is the specification's own, but it hides what a server actually exposes: tools, resources and prompts, over two transports.
Eric Leroy
August 6, 2026
Agency or Freelancer for Your SaaS: How to Choose
The real criterion is not the provider's status but continuity, code transferability and GDPR responsibility. A decision guide for SME leaders.
Eric Leroy
July 30, 2026
All Articles
How Much Does SEO Cost in France (2026): Real Figures, and What No Source Measures
A €5,000 median across 683 real budgets, day rates from €185 to €497 depending on the platform, and the lowest backlink price in Europe at €87. French market figures, with their sources and their biases.
Prompt Injection: OWASP Says There May Be No Fool-Proof Fix. Here Is What Actually Helps
Prompt injection is LLM01 in the OWASP Top 10 for LLM Applications, and OWASP states plainly that it is unclear whether fool-proof prevention exists. The two forms, the seven mitigations, and why two of them hold even when the attack works.
llms.txt: What the File Actually Is, and What It Is Not
A markdown file at your site root that gives language models a curated map of your content. One required H1, a blockquote summary, file lists. What it solves, and what it does not.
RAG for Business: Connecting AI to Your Company Data
RAG lets an AI answer from your internal documents, with sources, instead of guessing. What it is, when it beats fine-tuning, and what it costs to run.
AI Agents for Business: Practical Guide for SMBs
What an autonomous AI agent actually is, how it works, and which use cases pay off for a small or mid-sized company. With concrete examples.
Claude, GPT or Mistral: Which AI Model Should You Choose for Your Business?
A practical comparison of Claude, GPT and Mistral for business projects: capabilities, pricing, jurisdiction and the criteria that actually decide.
Replacing Excel With a Custom Web Application: When, Why and at What Cost
Are your processes running on spreadsheets that are cracking? Warning signs, measured risks, real costs (€8,000 to €60,000), a migration method that keeps the business running, and the payback calculation.
AI Chatbot Pricing for Business: Complete Guide and Rates
How much does an AI chatbot cost? SaaS vs custom rates, cost factors, expected ROI, and market solutions comparison. Complete guide to budget your enterprise chatbot project.
Automating Customer Service with AI: ROI and Implementation
How to automate your customer service with AI? Time savings, cost reduction, implementation steps, and real examples. Complete guide for customer relations directors.
Claude API Integration for Business: Technical Guide and Pricing
How to integrate Anthropic's Claude API into your information system? Architecture, costs, use cases, and advantages vs GPT. Complete guide for CIOs and CTOs.
Custom Mobile App Development Cost in 2026: The Complete Guide
How much does a custom mobile app cost in 2026? Real ranges by project type (MVP, business app, complex app), native vs cross-platform, hidden costs and how to save.
Next.js 16 vs Astro 6 in 2026: Which Framework Should You Choose for Your Web Project?
Next.js 16 or Astro 6? Complete 2026 comparison: performance, SEO, hosting costs, learning curve, and real-world use cases. The decision guide from an agency that uses both in production.
Astro 6.0 in 2026: The Complete Guide to the Most Innovative Web Framework for High-Performance Sites
Master Astro 6.0 in 2026: new Rust compiler, Server Islands, native View Transitions, Astro DB in GA. Complete expert guide for developers and agencies.
Bun 2.0 in 2026: The Complete Guide to the All-in-One JavaScript Toolkit
Master Bun 2.0 in 2026: ultra-fast runtime, native bundler, integrated package manager, built-in SQL, performance and migration from Node.js. Complete expert guide.
Core Web Vitals 2026: The Complete Performance Optimization Guide
Master Core Web Vitals in 2026: LCP, INP, CLS, new Google thresholds, advanced optimization techniques and SEO impact. Complete expert guide.
WebAssembly in 2026: Complete Guide to Exceptional Web Performance
Master WebAssembly in 2026: architecture, use cases, JavaScript integration, development tools and best practices. Complete expert guide.
GraphQL Federation in 2026: Complete Best Practices Guide
Master GraphQL Federation in 2026: distributed architecture, best practices, performance, security, and integration with agentic AI. Expert guide.
Edge Computing and Edge Functions in 2026: The Complete Guide to Ultra-Fast Applications
Comprehensive Edge Computing guide 2026: Edge Functions, modern CDN, Cloudflare Workers, Vercel Edge, Deno Deploy. Architectures, use cases, performance and migration. Reduce latency by 70%.
TypeScript in 2026: The Definitive Guide for Web Developers
Complete TypeScript 2026 guide: from legacy JavaScript to TypeScript standard. Optimal configuration, advanced patterns, framework integration, performance, and progressive migration. 68% of developers now use it.
React Server Components: The Complete Guide for 2026
Master React Server Components in 2026. Architecture, patterns, performance, migration from client components and best practices for ultra-performant Next.js applications.
AI Tools for Developers in 2026: The Complete Guide (Copilot, Cursor, Claude Code)
Comprehensive guide to AI coding tools in 2026. GitHub Copilot vs Cursor vs Claude Code comparison: features, pricing, SWE-bench benchmarks. 51% of GitHub code is now AI-generated.
Automated Testing and CI/CD in 2026: The Complete Guide for Reliable Deployments
70% of bugs are detected by automated tests and CI/CD teams reduce release time by 40%. Discover Jest, Vitest, Playwright, GitHub Actions, and DORA metrics for stress-free deployments.
Web Accessibility WCAG 2026: The Complete Guide for Developers
Web accessibility affects 16% of the global population. Discover WCAG 2.2 principles, WCAG 3.0 updates, ARIA techniques, and how to make your applications inclusive while improving your SEO.
Web Development Trends 2026: The Complete Guide to Modern Frameworks and AI-Powered Development
Discover the defining trends of 2026: React 19 Compiler, Server Components, AI-powered coding (68% adoption), Edge Computing, and WebAssembly. A comprehensive guide with statistics from Figma, LogRocket, and industry leaders.
Serverless and Microservices Architecture: The Complete Guide for 2026
Serverless represents 70% of new cloud architectures in 2026. Discover AWS Lambda, Azure Functions, microservices patterns, and how to reduce infrastructure costs by 60% while improving scalability.
Progressive Web Apps (PWA): The Complete Guide for 2026
PWAs capture 60% of enterprise mobile projects in 2026. Discover Service Workers, offline-first architecture, and how PWAs increase conversions by 20-36% while reducing costs by 80-90%.
AI Cybersecurity in 2026: Critical Threats and Defense Strategies from IBM X-Force
The IBM X-Force 2026 report reveals a 44% increase in attacks. 77% of organizations use generative AI in security. Discover new threats (AI phishing, deepfakes) and defense strategies.
Vibe Coding: The AI-Powered Development Revolution in 2026
"Vibe Coding" popularized by Andrej Karpathy is transforming how software is created. Harvard teaches this new paradigm while 84% of developers already use AI. Discover this revolution and its implications.
No-Code vs Custom Development: What to Choose in 2026?
In 2026, 70% of enterprise apps use no-code. But is it always the right choice? Complete comparison of costs, ROI and use cases to make the right decision between no-code and custom development.
Why Choose Custom Development Over Off-the-Shelf Software?
With so many SaaS solutions available, many businesses wonder if custom development is worth the investment. Discover the concrete advantages of a custom application and how it can transform your productivity.
Complete Guide to Launching Your SaaS in 2026: From Idea to First Customer
Launching a SaaS requires careful preparation. Technical architecture, pricing model, acquiring first users: here are the key steps to turn your idea into a profitable product.
MVP: 5 Fatal Mistakes That Kill Projects (And How to Avoid Them)
A poorly designed MVP can doom a project before it even launches. Scope creep, lack of user feedback, non-scalable architecture... Discover the most common pitfalls and our tips to avoid them.
How to Connect Your Business Tools with APIs: A Practical Guide
Are your teams wasting time re-entering data between different software? API integration allows you to automate these flows and create a connected ecosystem.
Essential Web Technologies in 2026: React, Next.js, Node.js and Beyond
The web technology landscape evolves rapidly. Between frontend frameworks, backend solutions, and cloud services, which technologies should you choose for a sustainable project?
How Much Should You Budget for a Custom Web Development Project?
Estimating the cost of a development project can seem complex. Between different approaches (time & materials, fixed price, MVP), features, and maintenance, here are the elements to consider.
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