Practical articles on JSON, CSS, Base64, SEO, structured data and more. Each guide pairs real code examples with free tools so you can go from reading to shipping in minutes.
Rich snippets — star ratings, FAQs, breadcrumbs in search results — come from structured data. Learn how JSON-LD works, why Google prefers it over Microdata, and how to implement Article and FAQ schema.
Understand color contrast ratios and WCAG AA/AAA requirements. Covers the 4.5:1 threshold, how to find darker shades that pass, common failures like light-gray text, and tools to verify your palette before launch.
A beginner's guide to YAML. Covers indentation rules, data types, multi-line strings, and comments — with side-by-side JSON comparisons. Explains why YAML is used in Docker Compose, GitHub Actions, and Kubernetes configs.
Learn SQL formatting conventions with before/after examples. Covers keyword capitalization, one-clause-per-line rules, subquery indentation, and leading vs trailing commas — plus how to auto-format in one click.
Understand how text diff tools work. Covers unified diff format, line-level vs character-level comparison, how Git uses diff, and practical uses in code review, config management, and document editing.
A clear, example-driven Flexbox guide. Learn justify-content vs align-items, how to center anything in two lines, flex-wrap for responsive layouts, and the flex shorthand for controlling how items grow and shrink.
Learn how to reduce image file size without ruining quality. Covers lossy vs lossless compression, when to use JPG, PNG, or WebP, how image size affects Core Web Vitals, and how to compress files right in your browser.
A practical guide to rel="canonical". Covers what causes duplicate URLs (www, HTTPS, UTM params, trailing slashes), self-canonical best practices, cross-domain canonical, and mistakes that silently break your SEO.
Meta descriptions don't affect rankings directly, but they drive click-through rate. Learn the ideal length (120–160 characters), how to write compelling snippets, when Google rewrites them, and how to preview before you publish.