HTML5
XHTML, HTML 5, XML, XSLT, semantic markup, microformats, RDFa, HTML emails, SEO best practices, accessibility.
CSS3
CSS 2, CSS 3, progressive enhancement / graceful degradation, responsive design, cross-browser compatible websites, grid systems, Sass, LESS.
JavaScript/jQuery
AJAX, jQuery, creating jQuery plugins, Javascript, knockout.js, modernizr
PHP/MySQL
Object Orientated Programming, Test Driven Development, PHPUnit, PHPDoc, MVC applications, CodeIgniter.
Harrods
CSS3
GlaxoSmithKline
HTMLCSS
Nike
CSS3