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CSS Minify Tool

Minifying CSS takes the beautified, well formed CSS code that you have written and removes the spacing, indentation, newlines, and comments. These elements are not required for CSS to be used successfully. It also makes the CSS more difficult to read.

A Minify Example

The 'best practice' of many developers is to maintain a 'beautified' version, and when rolling out their project will run the styles through a minification program. They will also combine their many style files into one file.

Before:

/* Layout helpers ----------------------------------*/ .ui-helper-hidden { display: none; } .ui-helper-hidden-accessible { border: 0; clip: rect(0 0 0 0); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; }

.ui-helper-hidden{display:none}.ui-helper-hidden-accessible{border:0;clip:rect(0 0 0 0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}

Why use CSS Minifier?

After:

The purpose of minifcation is to increase the speed of a website. Minimisation can make a script up to 20% smaller, resulting in a faster download time. Some dev elopers will also use it to 'obfuscate' their code. This makes it difficult for the code to be read, thereby making it more difficult to reverse engineer or copy.

External Links

More information about Minification (Wikipedia)

It is also common practice to combine all the CSS files for a single website into one file. This has a number of benefits. It reduces the number of HTTP r equest that need to be made to get all the elements of a website. It also makes minification and gzip compression more effective.