PHPWee, a free (BSD licence) open-source PHP5 minifier for HTML, HTML5, XHTML and CSS1-3, is a free (BSD licensed) script. It reduces file size, load time, and code changes for websites.
Minify: Why? You should take a look at Google Page Speed Tools. Page-loading speed is becoming an important part web user interface design and is starting to impact organic search positioning. Poorly optimized code can slow down the web by up to 20%, even after GZip compression has been applied at the server end. PHPWee Performance? PHPWee Performance? We often see a 15%+ increase in page load speed for unoptimized websites when we apply phpwee. Even Wikipedia and Github.com could benefit from the boost.