HTML5 vs. XHTML and legacy HTML
HTML5, XHTML and Popular HTML 4.0 Scripting Languages Web development follows many internet standards and protocols in the form of different versions. Where HTML5, XHTML and Popular HTML 4.0, each web development scripting language has its own specific features and attributes.
So let us compare the versions of HTML5, XHTML and HTML 4.
About HTML5.
HTML5 is the latest release version in HTML development, where HTML5 introduced many new semantic tags compared to the older HTML4 version. HTML5 is currently a popular web layout and structuring web development scripting language for modern and complex web development, where HTML5 is modern web browser, Web 3.0 compatible and popular protocol standard compatible.
HTML5 attributes.
- HTML5 Easy DocType Declaration – In HTML5, <!DOCTYPE html> declaration indicates to the web browser and search engines that the current web page is written in HTML5 script, here it has no important role. But it eliminates the need for version DTD in current web page development.
- HTML5 New Semantic Tags – Some new tags have been introduced in HTML5 for better web development layout and structure, such as, <header> tag, <footer> tag, <article>tag, <section>tag, <audio>tag, <video>tag, <nav> tag, <aside> tag, and many more popular ones.
- HTML5 Multimedia Support – HTML5 introduces <audio> and <video> tags to insert or embed multimedia objects, providing direct insert and embed support for multimedia objects as compared to HTML4 version where it allows you to embed audio video without any third-party software or plugins support.
- HTML5 Form Enhancements – HTML5 script has better form attributes than HTML4 version, introducing several new form input types and attributes like <input type=”email”>, <input type=”date”>, and <input type=”range”>.
- HTML5 APIs and Features – Several new API features like geolocation web support, web storage (localStorage and sessionStorage), web workers, and webSockets have been introduced to enhance or improve the functionality and website performance of HTML5 websites.
- HTML5 Backward Compatibility – HTML5 is fully compatible with the old HTML web development script version, where you can easily edit, update and customize the webpage made in HTML4 in HTML5 as per the need.
HTML5 Benefits.
- HTML5 web development is currently easy, where it fulfils the modern web design and web development needs.
- With multimedia support in HTML5, now the web page is fully graphical and multimedia compatible.
- HTML5 provides better web performance and interoperability features with new technologies and standards in modern web development.
Example of HTML5.
<!DOCTYPE html>
<html lang=”en”>
<head>
<meta charset=”UTF-8″>
<meta name=”viewport” content=”width=device-width, initial-scale=1.0″>
<title>HTML5 Semantic Tag</title>
</head>
<body>
<header>
<h1>About HTML5 Script</h1>
</header>
<main>
<section>
<h2>Html</h2>
<p>Lets Tray To Learn Html Modern Web Development Script</p>
</section>
<article>
<h2>Css</h2>
<p>Cascade Style Sheet, Allow You To Design Robust Web Design And Layout.</p>
</article>
</main>
<footer>
<p>© 2024 Vcanhelpsu, All Right Reserved </p>
</footer>
</body>
</html>
About XHTML.
XHTML is known as (Extensible Hypertext Markup Language) in short, and it is a development script type like HTML scripting language in web development, which is more used in server side, allows HTML scripts to be updated in XML format. Where XML is used for web development improvement both in server and client side.
XHTML Attributes.
- Strict code syntax – In XHTML, web page document should be created properly. Where all script codes written in XHTML should have proper start and end, nested code order and all web page script codes should be in lowercase letter format.
- Doctype Declaration – Where XHTML script has more complex doctype declaration method than HTML5, e.g., <!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Strict//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd”> is started before creating the web page.
- Full compatibility with XML – XHTML is processed by following the XML parser method, where XML-based technology has better advantages.
- Script code error management – XHTML provides you strict error management web page error management and control, but XHTML follows proper syntax and parameters as compared to HTML, if there is even a slight error in your XHTML web page, your web page will not display properly.
XHTML Advantages.
- The job of XHTML is to create XML document properly, which is better for XML based web page creation in XHTML.
- Strict script code syntax is applied in XHTML, due to which the web page creation process becomes a bit complex and time consuming.
XHTML Disadvantages.
- XML is required to properly create all documents declared in XHTML.
- it may have some development restrictions, and its development syntax may cause problems in displaying the web page if code errors are present.
Example of XHTML.
<?xml version=”1.0″ encoding=”UTF-8″?>
<html>
<head>
<meta charset=”UTF-8″ />
<title>XHTML Web Page Layout</title>
</head>
<body>
<h1>Lets Learn Xhtml Web Development Script</h1>
<p>You See The Preview Of Xhtml Web Page Structure</p>
</body>
</html>
About HTML (HTML 4.01).
HTML4 is the old popular hypertext scripting language in web development, HTML4 was a popular web development script world-wide for many years before HTML5, currently it has been replaced or upgraded by HTML5 version, which provides you a simple web page design to a complex web page website design features.
HTML (HTML 4.01) Features.
- Doctype declaration – HTML4 script version follows a little more complex doctype declaration method, which includes, Strict: <!DOCTYPE html PUBLIC “-//W3C//DTD HTML 4.01//EN” “http://www.vcanhelpsu.com/TR/html4/strict.dtd”>
- Presentation and layout – HTML4 web page display layout and structure elements Depends more on attributes, in which a tag or element is added for every task, such as <font> and <center>, etc. are tags, which have later been completely removed in CSS styles.
HTML 4 Advantages.
- There are many such tags in HTML4, which have now become completely redundant after CSS.
- HTML4 hypertext script is fully supported and compatible with almost all modern and old web browsers, which are displayed or previewed in any web browser.
HTML 4 Disadvantages.
- HTML4 lacks advanced tags and features compared to the HTML5 scripting language currently available.
- HTML4 web development script does not have any advanced tags for advanced and commercial web development representation, and for responsive and attractive web development, you have only one option to use CSS styles.
HTML 4 Examples.
<html>
<head>
<meta http-equiv=”Content-Type” content=”text/html; charset=UTF-8″>
<title>Let Explore HTML 4.01 </title>
</head>
<body>
<h1>About HTML 4 </h1>
<p>You See The Legacy Html Web Page Structure Layout</p>
</body>
</html>
