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

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.

15.06.2026
10 min read
CSS
Critical CSS
LCP
+4
Optimize REST API Performance with JSON Minification

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.

27.05.2026
10 min read
JSON
API
REST
+4
Tree Shaking vs Minification: What Each One Does

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.

13.05.2026
9 min read
JavaScript
Tree shaking
Minification
+6
Code Beautifier Guide: JS, CSS, HTML and JSON

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.

27.04.2026
8 min read
Beautify
formatting
Code
+6
PHP Serialization Guide — serialize, unserialize & Security

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.

13.04.2026
9 min read
PHP
Serialization
Unserialize
+4
XML Minification Guide: Sitemaps, RSS, Configs

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.

20.03.2026
8 min read
XML
Minification
Sitemap
+4
Optimize SVG for the Web: SVGO, Presets & Best Practices

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.

02.03.2026
10 min read
SVG
Optimization
Minification
+4
How to Minify HTML: Complete Guide for Faster Pages

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.

15.02.2026
9 min read
HTML
Minification
Performance
+3
JSON Minification Guide — APIs, Config Files & Express

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.

05.02.2026
10 min read
JSON
Minification
API
+3
FastMinify Blog — Developer Tools, Minification &…