What it is
Shipping CSS and JavaScript with all their whitespace and comments wastes bytes on every request. Minification is a free, safe win that most build tools do automatically. Uncompressed code assets. Marginal performance cost. Minify in build. Low. Inferred.
Why does unminified css/js matter for AI search?
Marginal performance cost.
How do you fix it?
Minify in build.
How do you find it on your site?
- Open a CSS or JS file the page loads and check whether it is minified.
- Confirm your build step minifies production assets.
- Enable minification in the bundler or build pipeline if it is off.
- Re-check that the served files are minified.
Which ranking and citation factors does it touch?
Smaller assets load and parse faster, helping render and Core Web Vitals. The effect is small per file but adds up.
What is the impact?
Low. Inferred.
What is the evidence?
Minification supports better load performance. web.dev, Core Web Vitals (Google)
Frequently asked questions about unminified css/js
What does "Unminified CSS/JS" mean?
Uncompressed code assets.
How do you fix unminified CSS/JS?
Minify in build.