Secure JWT Tokens in Next.js – A Practical Guide for Engineers
Learn how to build a robust JWT system in Next.js and Node.js, protecting tokens from theft, CSRF and XSS.
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Blog Notes from
Notes from
real builds
I write about the things I have run into on actual projects: performance, architecture, security and AI. If it is here, it is because I had to solve it for myself first.
Latest articles
Next.js Middleware Performance – Internal Mechanisms and Production Pitfalls
In-depth analysis of Next.js Middleware: how it works, impact on performance, security, and common production pitfalls.
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Core Web Vitals Optimization for WooCommerce – a practical guide for e‑commerce
Learn how to boost conversions in WooCommerce by optimizing Core Web Vitals, discover costs, tools, and best practices.
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Node.js garbage collection: memory optimization in production environment
In-depth analysis of GC operation in V8 and practical techniques for reducing memory consumption in Node.js applications.
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HTTP/3 Performance – How the New Generation of the Internet Accelerates Web Applications
Learn how the HTTP/3 protocol works, its differences from HTTP/2, and practical tips for Next.js and Node.js.
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How to Lower Technical SEO Costs for SaaS Platforms in 2024 – A Practical Guide
Discover how to reduce technical SEO expenses for SaaS in 2024 while boosting Google visibility.
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RAG LLM in product applications – practical guide for teams
Learn how to combine vector search with LLMs to increase answer relevance while keeping costs and latency under control.
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Secure secret management in Next.js and Node.js with AWS Secrets Manager and Docker Secrets
Step by step we will show how to protect API keys and other sensitive data in Next.js and Node.js applications using AWS Secrets Manager and Docker Secrets.
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Node.js Worker Threads vs Cluster – Efficient Parallelism in Production
In-depth analysis of Worker Threads and Cluster in Node.js – when to choose which solution and how to configure them optimally.
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How to Calculate the Technical SEO Implementation Cost for a SaaS Platform
Practical guide to pricing technical SEO in SaaS – from audit to ROI.
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Next.js Incremental Static Regeneration vs SSR – In‑Depth Performance and Cost Analysis
We compare ISR and SSR in Next.js in terms of render time, resource costs, and practical migration tips.
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QUIC Protocol and Performance – Why Your Web Applications Will Be Faster
Learn the mechanics of QUIC, compare it with HTTP/2 and find out how to speed up web applications.
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