FastMinify Blog
Guides and tutorials for browser-based developer tools — minification, conversion, validation, SVG, DevOps and performance.

Critical CSS: Extract, Minify and Inline for LCP
Extract above-the-fold CSS, minify the block, inline it in the head, then load the rest async. How it helps LCP without shipping all styles first.

Optimize REST API Performance with JSON Minification
Speed up your REST APIs by optimizing JSON payloads. Minification, compression, pagination and best practices for ultra-fast APIs.

Tree Shaking vs Minification: What Each One Does
Minification shortens the JS you keep. Tree shaking drops unused modules. See the difference, Vite/Webpack setup, and when to use both.

Code Beautifier Guide: JS, CSS, HTML and JSON
Make minified JS, CSS, HTML and JSON readable. Online beautify vs Prettier/ESLint, pre-commit hooks, and when unminify is the better verb.

PHP Serialization Guide — serialize, unserialize & Security
Learn PHP serialize() and unserialize() with examples: arrays, objects, WordPress meta, JSON conversion. Security pitfalls and when to choose JSON instead.

XML Minification Guide: Sitemaps, RSS, Configs
Minify XML for sitemaps, RSS/Atom and config files: strip spare whitespace, keep the document valid, and know CDATA and large-sitemap limits.

Optimize SVG for the Web: SVGO, Presets & Best Practices
SVG optimization guide: minify vs SVGO presets (safe, default, aggressive), clean Figma exports, and shrink icons 30–70% without visual loss for web teams.

How to Minify HTML: Complete Guide for Faster Pages
Learn HTML minification: remove comments, whitespace, optional attributes and shrink pages 15–40%. CLI tools, build plugins, and online minifiers.

JSON Minification Guide — APIs, Config Files & Express
Minify JSON for APIs and config files: JavaScript, Python and jq examples, Express middleware, and when minification beats pretty-printing in production.