HTML (HyperText Markup Language) is the standard coding for websites. It tells web browsers how to display the text on a web page. Colors, formats (headings, paragraphs, quotes, and other semantics), and hyperlinks are displayed based on HTML. With URL embedding, HTML can insert images or audio. Physicist Tim Berners-Lee proposed HTML at CERN in 1989. HTML allows interactivity because of its capabilities, but users don't see it unless there is an error. Users can click the View Source tab in their browser to see the HTML code. HTML can format a document's text in some email programs. HTML is related yet separated from XHTML. The <> style of brackets encloses HTML Elements (tags) and most have start and finish commands (ex: and). Independent tags like such as do not have start and end commands. Common modern browsers can read HTML 4. HTML 5 was made to include new features.The new elements include: Here's a small list of programs that can open HTML documents: Internet Explorer, Mozilla Firefox, Google Chrome, Opera, Safari, Other browsers. HTML is the code that tells your browser how to display text on a page. It is the standard coding for websites.