Introducing HTML


By Emmanuel Chinonso

Web Developer

What is HTML?

HTML is the language of the web. It is very important for both building web application and web pages. HTML stands for Hypertext Markup language combined with Cascading Style Sheets (CSS) and Javascript, it forms the basic technologies of the world wide web.

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A SIMPLE HTML EXAMPLE Here is how an HTML code looks like

<h1>My First Heading</h1>
<p>My first paragraph.</p>

And here’s what the above code looks like in your web browser

<h1>My First Heading</h1>
<p>My first paragraph.</p>

Breaking it down

  • The <DOCTYPE html> declaration defines this document to be HTML5
  • The <html> element is the root element of an HTML page
  • The <head> element contains meta information about the document
  • The <title> element indicates a title for the document
  • The <body> element contains the visible page content
  • The <h1> element defines a large heading
  • The <p> element defines a paragraph


A html element contains a tag, some content and an end tag. It is basically two tags with a content in between them. <p> my second web page <p>


HTML tags are element names that usually come in pairs for example <p></p>. The first tag is usually enclosed in a and the closing tags have a forward slash inserted before the tag name.


The real function of the web browser (Chrome, Firefox, Safari, Microsoft Edge) is to read and display the HTML content correctly.

The browser does not display the tags, that would make the page really ugly but uses the tags to determine how to display the document.


Below is a visualization of an HTML page structure:

Note the cream white part is the only content displayed on the browser.

The <!DOCTYPE> Declaration

The <!DOCTYPE> Declaration represent a document type, and helps the browser display web pages correctly. It must only appear once usually at the top of the page. It is not known to be case sensitive. For example, the HTML 5 looks like this <!DOCTYPE HTML>


Before we continue with our lesson, we are going to look at some important history of the web page. Since its early days of the web, there have been many versions of the HTML.

Below this table is a summary of all the versions of the HTML;
HTML 2.01995
HTML 3.21997
HTML 4.01999
XHTML 1.02000
HTML 52014


In this article we discussed what HTML is and how important HTML is in building out web pages and also looked at years the different versions of HTML were created. We also looked at what makes up a simple HTML webpage and created one from scratch.

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