A lightweight JS framework for fast navigation and page updates from YouTube

InstantClick is a JavaScript library that dramatically speeds up your website, making navigation effectively instant in most cases.

RequireJS is a JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino and Node.

Run a free website speed test from multiple locations around the globe using real browsers (IE and Chrome) and at real consumer connection speeds.

Load scripts like images. Use HTML5 and CSS3 safely. Target CSS for different screens, paths, states and browsers. Make it the only script in your HEAD. A concise solution to universal issues.