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How to check a website, investigate errors and track changes.
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A complete guide to Google’s mobile-first indexing. How to make sure your site is ready for a mobile-first world, common mistakes, and how to fix them.
A complete guide to modern Next.js development. App Router, Server Components, Server Actions, performance optimization, and practical recommendations.
A detailed guide to implementing Schema.org markup. JSON-LD, schema types, rich snippets, and validation tools to improve search visibility.
An in-depth guide to configuring HTTP security headers. Content-Security-Policy, HSTS, X-Frame-Options, and other mechanisms for protecting web applications against attacks.
Everything about SSL/TLS certificates: types, issuance, configuration, and renewal. Let's Encrypt, Wildcard, and EV certificates. A practical guide for web developers.
Modern approaches to writing TypeScript code. Strict typing, design patterns, framework integration, and tips for improving codebase quality.
A comprehensive guide to optimizing your website for voice search. The characteristics of voice queries, content structuring, local SEO, and practical strategies.
A complete guide to web accessibility for developers. WCAG standards, practical recommendations, legal aspects, and the impact of accessibility on SEO.
A detailed guide to optimizing CSS to improve website performance. Minification, critical CSS, tree shaking, and other techniques to speed up loading.
A detailed guide to using Git and GitHub for web development. Workflows, branches, commits, pull requests, and best practices for teamwork.
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