HTML is a language in the public domain The syntax is established by the World Wide Web Consortium (W3C), which is based on another language with more general purposes, the SGML.
It was developed at the end 80s by Tim Berners-Lee at CERN in Geneva. By 1994 he had a strong diffusion, following the first commercial uses of the Web.
Over the years, following the development of the Internet, HTML has undergone many revisions, extensions and improvements, which were indicated according to the classic numbering used to describe the versions of the software. Currently the latest version is version 4.01, released December 24, 1999. After a period of suspension, in which the W3C has focused primarily on the definitions of XHTML (application of rules and HTML-style syntax XML) and CSS (Cascading Style Sheet, CSS) in 2007, resumed activity specification with the definition, still in progress, HTML 5 is currently in draft form (draft). 
A further and important feature of HTML is that it was designed to define the logical content and not the appearance of the final document. Devices that can access an HTML document are numerous and not always equipped with powerful graphics capabilities. Precisely for this reason developers have opted for the HTML language that describe the logical point of view, rather than the graphical content of documents. This means that there is no guarantee that the same document is displayed equally on both devices. While in the past this has imposed severe limits to developers of Web pages, on the other hand has ensured the maximum spread of the Internet and to prevent it becoming a medium for elites.
Currently HTML documents are able to incorporate many technologies, which offer the possibility to add controls to the hypertext document on the most sophisticated graphic rendering, dynamic interactions with the user, interactive animations and multimedia content. It is languages \u200b\u200bsuch as CSS, JavaScript or Java, or other multimedia applications of vector animation or streaming audio or video. A further and important feature of HTML is that it was designed to define the logical content and not the appearance of the final document. Devices that can access an HTML document are numerous and not always equipped with powerful graphics capabilities. Precisely for this reason developers have opted for the HTML language that describe the logical point of view, rather than the graphical content of documents. This means that there is no guarantee that the same document is displayed equally on both devices. While in the past this has imposed severe limits to developers of Web pages, on the other hand has ensured the maximum spread of the Internet and to prevent it becoming a medium for elites. Nowadays many designers delegate writing the HTML code to specific applications, such as the so-called WYSIWYG editor that allows the designer to deal with the graphic of the final page and the actual code is generated automatically. Developers prefer to use the HTML code directly, so you have more control over the final result and the cleanliness of the written code, which the WYSIWYG editor is more advanced today despite not always be guaranteed.
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