HTML5 is the fifth and latest major version of the Hypertext Markup Language (HTML), which is the standard language used to create and design documents on the World Wide Web. It was developed by the World Wide Web Consortium (W3C) and the Web Hypertext Application Technology Working Group (WHATWG) to improve the language with support for the latest multimedia while keeping it easily readable by humans and consistently understood by computers and devices such as web browsers. HTML5 introduces new elements and attributes that reflect typical usage on modern websites, such as <article>, <section>, <nav>, <header>, <footer> and <aside>, which help to structure content more semantically. It also includes new APIs and DOM interfaces, such as the Canvas API for 2D drawing, the Geolocation API, and the Web Storage API for local storage.
HTML5 enhances support for multimedia with the <audio> and <video> elements, allowing for the embedding of media without third-party plugins like Flash. It also improves form controls, provides better error handling, and supports offline web applications through the use of the Application Cache. HTML5 is designed to be device-independent, ensuring that web applications work across different devices and platforms. It emphasizes the separation of content from presentation, encouraging the use of CSS for styling and JavaScript for interactivity.
HTML5 is backward compatible with previous versions of HTML, ensuring that older content remains accessible.
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