basic aspect of html n xhtml

HTML and XHTML are among the widely used programming languages when it comes to web site design and development. While HTML is in the industry for a long time, the successor XHTML has its own different aspects. For beginners, it is important to understand the basic elements of both the programming languages in order to use them for web development.   

Being one of the oldest and widely preferred programming languages, HTML has ensconced a safe and reliable position in the market. But, nothing is constant. The successor of HTML that is XHTML has its own features. So, let us provide you an overview of both the programming languages.

For those who do not know, hypertext means the way in which different web pages or HTML documents are joined together. For this reason, the link associated with a web page is called Hypertext. On the other hand, ML or markup language is a notion which involves marking up a text document with the help of tags. The tags will direct or guide the website browser with the displaying part.     

An Overview of HTML and XHTML 

In any HTML document, you will come across two main sections, which are- HEAD and BODY. Well, each section has its own permitting requirements and elements. The elements serve a certain purpose and can be used only for specific requirements. In the BODY part of an HTML document, you will find the elements to be categorized into two separate groups, which are- text level elements and block level elements. The purpose of text level elements is to revamp the content of an HTML block, whereas the purpose of the block level is to create the document’s structure. TITLE, META, STYLE, SCRIPT, and LINK are such elements found in the HEAD section.      

In the case of XHTML, there are three types of documents that are possible, which are- Strict, Frames, and Transitional. It is mandatory for an XHTML document to start with any of the three doc types. In XHTML, there is no room for upper case letters when it comes to the Tags, Attributes, and even Events. Owing to the least amount of fuss associated with XHTML, the loading time of web pages based on XHTML decreases significantly. So, converting your web pages to XHTML can keep your website in the race for a longer period.     

Nature of HTML and XHTML

If we talk about the nature of HTML language, then it would not be wrong to say that it is quite flexible. The easily customizable framework of HTML requires moderate parsing. On the other hand, the XML elements present in XHTML is not that flexible. When it comes to parsing, the XML needs the standard parsers of the same. It means that there is not much scope available. HTML has two filename extensions, which are- .htm and .html, there are four extensions in XHTML, i.e. .htm, .html, .xml, .xht, and .xhtml.   

As a matter of fact, there are three elements that make up HTML, which is- the start tag, the end tag, and the textual as well as graphic content that lies within these tags. On the other hand, XHTML has just one root component. Similarly, there are few more similarities and dissimilarities between HTML and XHTML. Learning both of them can be easy if you can focus on the basics first.