-- Comprehensive explanations of HTML tags, plus how to utilize Netscape Navigator, Internet Explorer, and WebTV tags -- Learn new techniques from author's expert advice on when, where, and how to use HTML attributes, elements, and syntax -- Hypertext Markup Language (HTML) is the core programming language of the web. HTML is used to indicate where and how things are visually presented on a web page. The majority of the web pages in the world have HTML in them.