MediaElement.js : HTML5 and made easy.
One file. Any browser. Same UI.
chromeless : The chromeless project is an experiment into making it possible to build a web browser using only web technologies, like HTML, JavaScript, and CSS.
This Is Responsive : Tips, Resources and Patterns for Responsive Web Design
Able Player : Able Player is a fully accessible cross-browser media player. It uses the HTML5 or element for browsers that support them, and (optionally) the JW P...
Minimize round-trip times : An article on the best practices to apply in order to minimize HTTP round-trip times
