Html aslo provides the elements and attributes focus on accessibility, the current version off Html is html 4.0 and sometimes it referred to Html 5 also called as (XHTML)Extensible Hypertext Markup Language.
Example:
<!doctype html>
<html>
<head>
<title> my first website </title>
<meat charset=”utf-8″/>
</head>
<body>
<h1>
Hello world
</h1>
<p> <strong>
Here
</strong>
<em>my<lem>text</p>
</body>
</html>