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How to check a website, investigate errors and track changes.
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A complete guide to configuring Brotli compression on web servers: Nginx, Apache, comparison with Gzip, compression levels, and how to verify it is working.
A guide to bulk URL checking: use cases, tools, and interpreting results. Check status codes, redirects, and broken links at scale.
Configure HTTP caching: Cache-Control, ETag, Last-Modified, stale-while-revalidate. Strategies for static assets, HTML, and APIs. Examples for Nginx and Node.js.
A complete guide to canonical URLs. Syntax, when to use them, and how they relate to duplicate content. Practical examples of configuring canonicals for websites.
A practical guide to fixing Cumulative Layout Shift. Diagnose the causes of layout shifts, reserve space, and optimize fonts and dynamic content.
A comparison of color formats in web development: HEX, RGB, HSL, and HSV. When to choose each format, how to convert between them, and practical recommendations.
Top HTML errors: unclosed tags, duplicate IDs, missing alt text, and incorrect nesting. Examples and ready-to-use fixes.
GDPR requirements for cookies, Consent Mode, and configuring a consent banner. Which cookies require consent and how to store proof. Practical recommendations.
Configure secure cookies with Secure, HttpOnly, and SameSite. Protection against XSS, CSRF, and interception. Examples for different languages and frameworks.
Ready-made cron jobs for backups, cache cleanup, email delivery, and synchronization. WordPress, Laravel, Node.js. Copy and adapt them for your project.
Open a tool for the task described in the article.