Wednesday, 4 May 2022

Introduction to Web Technology

Web technologies define the way computers communicate with each other using markup languages. It communicates across the web and creates, delivers, or manages web content using a hypertext markup language (HTML).

Web technology can classify into the following terminology.

·       World Wide Web (WWW): - World Wide Web is a Hypertext-based information system like a Web browser, Hypertext markup language (HTML), and Hypertext Transfer Protocol (HTTP).

·       Web page: - A Webpage is a digital document that is linked to the World Wide Web and displayed on a web browser such as Google Chrome, Firefox, Opera, and safari.

·       Web Browser: - A Web browser takes you anywhere on the internet. It is a software application to explore the WWW (World Wide Web). And it also provides an interface between the server and the client and requests the server for the web document and services.

·       Web server: - A web server is important for running websites on a computer. It is a program that processes the network request of the user and serves them with files that create a web page.

·       Web development: - Web development refers to creating, building, and maintaining websites. It includes aspects such as web design, web publishing, web programming, and database management. It is the creation of an application that works over the internet i.e. websites.

·       URL: - URL stands for Uniform Resource Locator. A URL is an address of the given unique resource on the Web. each valid URL points to a unique resource. Such resources can be an HTML page, a CSS document, an image, etc.

·       Gateway: - The gateway is a method to Internet Service Provider that gives you access to the entire Internet. For a basic internet connection at home.

·       API: -  A web API is an Application Programming Interface for either a web server or a web browser.

·       XML: -  XML stands for Extensible Markup Language. It is a markup language such as HTML and is designed to store and transport data.


There are two types of webpages

Static webpage: - Static pages show the same content each time they are viewed. It is built using HTML code and features the same presentation and content, regardless of user identity or other factors.

o   Easy to build using HTML and CSS.

o   Cheap to host.

o   It has fixed content.

Dynamic webpage: - Dynamic pages have content that can change each time they are accessed. Or, A dynamic page displays different content for different users while retaining the same layout and design.

o   It is a built-in scripting language such as PHP, Perl, ASP, or JSP. The scripts in the pages run functions on the server that return things like the date and time, and database information.

o   It is a little hard to build.

o   Costly than static websites to host.

o   Easily edit the content on their own.

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