MUSICTHEORY.NET

nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.

The DOCTYPE is a required preamble for HTML5 websites.

The website uses conditional comments that are supported by Microsoft Internet Explorer. They allow web developers to show or hide HTML code based on the version of the viewer's browser.

JavaScript is a scripting language most often used for client-side web development. Its proper name is ECMAScript, though "JavaScript" is much more commonly used. The website uses JavaScript.

This page contains an icon for iPhone, iPad and iTouch devices.

Allows a website to define how a page is rendered in Internet Explorer 8, allowing a website to decide to use IE7 style rendering over IE8 rendering.

Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. Its most common application is to style web pages written in HTML

This page contains tags that are specific to an HTML 5 implementation.

Creative Commons licenses provide a flexible range of protections and freedoms for authors, artists, and educators.

UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.