HTML Versions

Last update on February 01 2025 13:35:21 (UTC/GMT +8 hours)

HTML Version Timeline

Version	Year	Key Features
HTML 2.0	1995	First standardized version (RFC 1866). Introduced forms and basic elements.
HTML 3.2	1997	W3C’s first recommendation. Added tables, applets, and text flow.
HTML 4.01	1999	CSS integration, accessibility improvements, strict/transitional/frameset DTDs.
XHTML 1.0	2000	XML-based strict syntax.
HTML5	2014	Semantic elements, native multimedia, APIs.
HTML5.1	2016	Offline storage, input validation enhancements.
HTML5.2	2017	Dialog element, ARIA improvements.
HTML Living Standard	2023	Continuously updated by WHATWG.

Key Differences: HTML 4.01 vs. HTML5

HTML 4.01 Example

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>HTML 4.01 Example</title>
</head>
<body>
    <h2>HTML 4.01 Page</h2>
    <p>Lorem ipsum dolor sit amet...</p>
    <p><a href="../html/html-tutorials.php">Learn HTML</a></p>
</body>
</html>

Modern HTML5 Example

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>HTML5 Example</title>
</head>
<body>
    <header>
        <h1>HTML5 Semantic Page</h1>
    </header>
    <main>
        <article>
            <p>Lorem ipsum dolor sit amet...</p>
        </article>
        <nav>
            <a href="../html/html-tutorials.php">Learn HTML</a>
        </nav>
    </main>
</body>
</html>

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