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Minify is an HTTP server for JS and CSS assets. It compresses and combines files and serves it with appropriate headers, allowing conditional GET or long-Expires.
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The stats above are from a brief walkthrough which shows how easy it is to set up Minify on an existing site. It eliminated 5 HTTP requests and reduced JS/CSS bandwidth by 70%.
Relative URLs in CSS files are rewritten to compensate for being served from a different directory.
Version 2.3.0 was released, mainly to deprecate some classes that will be removed in 3.0.
Consider instead using a dedicated WordPress plugin for more deep integration and simpler installation. E.g.:
Unfortunately we can't support the WordPress plugins here.
Place the /min/ directory as a child of your DOCUMENT_ROOT
directory: i.e. you will have: /path/to/public_html/min
You can see verify that it is working by visiting these two URLs:
- http://example.localhost/min/?f=min/quick-test.js
- http://example.localhost/min/?f=min/quick-test.css
If your server supports mod_rewrite, this URL should also work:
See the MIN.txt file and the user guide
Minify also comes with a URI Builder application that can help you write URLs for use with Minify or configure groups of files.
See the cookbook for more advanced options for minification.
More docs are available.
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Place the /min_unit_tests/ directory as a child of your DOCUMENT_ROOT directory: i.e. you will have: /path/to/public_html/min_unit_tests
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To run unit tests, access: http://example.localhost/min_unit_tests/test_all.php
(If you wish, the other test_*.php files can be run to test individual components with more verbose output.)
- Remove /min_unit_tests/ from your DOCUMENT_ROOT when you are done.
- Minify is designed for efficiency, but, for very high traffic sites, it will probably serve files slower than your HTTPd due to the CGI overhead of PHP. See the FAQ and CookBook for more info.
- If you combine a lot of CSS, watch out for IE's 4096 selectors-per-file limit, affects IE 6 through 9.
- Minify should work fine with files encoded in UTF-8 or other 8-bit encodings like ISO 8859/Windows-1252. By default Minify appends ";charset=utf-8" to the Content-Type headers it sends.
Minify was inspired by jscsscomp by Maxim Martynyuk and by the article Supercharged JavaScript by Patrick Hunlock.
The JSMin library used for JavaScript minification was originally written by Douglas Crockford and was ported to PHP by Ryan Grove specifically for use in Minify.