HTML - CSS
HTML5, CSS3, SASS, LESS, Animations, CSS Frameworks & Grid systems, Crossbrowser, Mobile first & Responsive, Retina ready UI, W3 Valid, Clean, Semantic code.
JavaScript
Native JS, jQuery, Ajax, Dojo toolkit, AngularJS.
Design
Photoshop, UX, Wireframing, Usability, Design trends.
Content Management Systems
Wordpress, Joomla, Magento, theming.
Marketing
Search Engine Optimization, Affiliate Programs, Adwords, Adsense, Social Media, Google Analytics, Landing pages.