Introduction to HTML - HTML is the standard markup language for web content. - It defines the structure and content of web pages. - HTML is often used in conjunction with CSS and JavaScript. - Web browsers render HTML documents into multimedia web pages. - HTML elements are the building blocks of web pages. HTML Elements - HTML elements are written using tags enclosed in angle brackets. - Tags like and directly introduce content into the page. - Other tags like

and

provide structural semantics for text. - HTML tags are not displayed by browsers, but are used to interpret the content. - HTML allows embedding programs written in scripting languages like JavaScript. History of HTML - HTML was proposed by Tim Berners-Lee in 1989. - The first publicly available description of HTML was in 1991. - HTML was influenced by SGML and early text formatting languages. - HTML was formally defined as an application of SGML by the IETF. - HTML 2.0 was the first HTML specification treated as a standard. HTML Version Timeline - HTML 2.0 was published in November 1995. - HTML 3.2 was published as a W3C Recommendation in January 1997. - HTML 4.0 was published as a W3C Recommendation in December 1997. - HTML 4.01 was published as a W3C Recommendation in December 1999. - HTML5 was completed and standardized in October 2014. HTML5 Features - HTML5 introduced new elements like for displaying video and audio. - HTML5 includes support for JavaScript and CSS. - HTML5 provides improved accessibility features. - HTML5 supports offline storage and geolocation. - HTML5 is designed to be compatible with older versions of HTML.