Difference Between HTML And XHTML With Example?

Difference Between HTML And XHTML

HTML and XHTML are both markup languages used for building web pages, but they have some key differences, especially in terms of syntax and structure.

HTML (Hypertext Markup Language)

More lenient syntax: HTML is forgiving of errors and allows for some flexibility in how tags are written. For example, tags can be uppercase or lowercase, and closing tags can sometimes be omitted for certain elements.

SGML-based: HTML is rooted in Standard Generalized Markup Language (SGML), which gives it a simpler structure.

Example:

 

XHTML (Extensible Hypertext Markup Language)

Stricter syntax: XHTML adheres to a stricter set of rules based on XML (Extensible Markup Language). This means all tags must be lowercase, be properly closed, and follow a specific structure.

XML-based:  XHTML's foundation in XML makes it more rigid but also allows for better integration with other data formats. 

Example:

 In essence:

 HTML is more relaxed and easier to learn for beginners.

 XHTML is stricter and offers better validation and integration with other systems.

However, it's important to note that XHTML is not as widely used today. HTML has evolved with HTML5, which offers new features and functionalities while maintaining a balance between flexibility and structure.  While some legacy code might still be in XHTML, new development primarily focuses on HTML5.

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