Practical engineering tips, design theory and performance breakdowns — written for developers and founders who like their advice tested in production.
Most state problems come from putting state in the wrong place, not from picking the wrong library. Local, shared, server, URL and form state, and the simplest tool for each one.
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Server-side rendering, client-side rendering and static generation each trade speed, freshness, cost and SEO differently. What each one does, where hydration fits in, and how to choose per page.
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Images are usually the heaviest part of a page. Formats, sizing, responsive images, lazy loading, the LCP image and layout shift: a practical checklist for fast pages that still look great.
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Great content can't rank if search engines can't crawl, render or understand it. The technical SEO checklist developers control: indexability, titles, canonicals, sitemaps, structured data and speed.
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A PWA lets users install your website like an app, open it offline and get faster repeat visits. The manifest, service workers, caching strategies and honest limitations, explained practically.
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Semantic versioning, lockfiles, npm ci, safe updates, security audits and choosing packages wisely. The habits that keep a JavaScript project installable, secure and up to date for years.
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Microservices solve organisational and scaling problems, and introduce plenty of new ones. Why a well-structured monolith is usually the right start, and the signals that it's time to split.
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Most apps don't need Kubernetes to handle more users. They need measurement, indexes, caching and a few architectural habits. A practical, step-by-step path from one server to serious traffic.
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Estimates go wrong for predictable reasons: hidden work, unknowns and optimism. How to break work down, estimate in ranges, account for risk and communicate estimates so they're actually useful.
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