What is web?

To know about web we first need to know a little bit about Internet and computer networks. Two or more Computer connected to each other sharing files, data or information is called a network. These small networks connected to each other globally to share information with one another, this is known as the Internet. The device that access information through Internet is called client and the device that provides the information called host. To share information via Internet, every device has to follow certain protocols, known as IPS, Internet Protocol Suite.
Now, the Web or the World Wide Web, is a way to access information, files or documents through Web Servers over Internet.

What is a Server?

A server is a virtual machine that keeps our data and provides it as per client request following some pre-determined protocols. We can create a server locally and over internet to share information with other machines.
Example: Apache, it's a server software, it helps us in sharing web content over internet.

Before we continue!

To access or share information via web we need a web browser or client. A web page is written in a markup language, HTML. A web page can be linked with another, we can create multi-page website. An website is identified by an URL(Uniform Resource Locator).

What is HTML?

Hyper Text Markup Language or HTML, is a markup language in which websites are written and made functional. HTML consists of few elements, those are used to format the content of the webpage.

Tags and Attributes

Tags and Attributes are bones of HTML.
A tag is used to mark up the start of an HTML element. A tag have to closed in order to function.
Example:- <h1>For Heading</h1> and <p>For Paragraph</p>
Although there are some self-closing tags.
Example:- <img> image tag, used to insert an image inside the webpage.

Attributes are attached inside theopening tags to provide additional information.
Example:- <img src="location/ source of the image" alt="alternate text" >