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You have so many software installed in your PC/laptop. Such software types are called window application and are used in standalone PC. On the other hand, website is a type of application which resides on web hosting server and any client (browser as google chrome, Mozilla firefox, opera etc) can access that website by its URL (Uniform Resource Locator). Its example is when your open your google chrome and type www.techilm.com, its means that your are going to access website resides on web hosting server having URL www.techilm.com. A URL is a web address of any website component. 

Website components

Website contains four types of components. 

Text file (html file, css file, c# file,java file, text file etc)

Image file (jpeg, jpg, png etc)

Video file

Audio file

Each website component has a unique URL which is used to access it. 

URL Part

Any URL can have following parts 

  • Domain name
  • TLD (Top Level Domain as .com, .pk. .uk, .org, .net etc)
  • SLD (Secondary Level Domain as www, ftp, docs etc)
  • Protocol (http / https)


Below, all parts of URL are highlighted https://www.techilm.com/2020/05/for-loop-in-cpp.html 

  • https: protocol
  • www: SLD
  • techilm: Domain name
  • .com: TLD
  • /2020/05/for-loop-in-cpp.html: Permalink

Domain Name

A domain name is the unique address of your website where Internet users can access your website. A domain name is used to find and identify computers on the Internet. Computers use IP addresses, which are a series of number. However, IP address is difficult for humans to remember, therefore domain name is mapped with IP address which is resolved by DNS (Domain Name Server). 

Host Server

A hosting server is a type of server that hosts websites and/or related data, applications and services. It is a remotely accessible Internet server with complete Web server functionality and resources. A hosting server is also known as a Web hosting server. 

Google Chrome Developer Tool

It is a very useful web tool to view all html, css, javascript, images, audio, video and much more component of a loaded webpage. Open a web page in google chrome and press Ctrl + Shift + I OR right click on web page and select “Inspect”, chrome will open a window at bottom. This is developer tool. It has so many tools used to enhance your website.

google lighthouse

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