Uniform Resource Locator (URL)
URL stands for Uniform Resource Locator, and it is a fundamental concept in web technology. It is the global address of documents and other resources on the World Wide Web. Here is a detailed explanation of what a URL is and how it works:
Definition:
A URL is a specific character string that provides a way to locate and access resources on the internet. It serves as a unique identifier for a web resource and helps browsers and servers communicate with each other.
Components of a URL:
A URL consists of several components that provide specific information about the resource it points to. These components include:
1. Protocol: The protocol specifies the rules and procedures for communication between the client (browser) and the server. Examples of protocols include HTTP, HTTPS, FTP, etc.
2. Domain: The domain identifies the specific website or server where the resource is hosted. It is typically represented by a domain name, such as "example.com", which is converted to an IP address through the Domain Name System (DNS).
3. Path: The path refers to the specific location or directory on the server where the resource is located. It helps identify the exact file or page within a website.
4. Query Parameters: Query parameters are optional components that allow additional information to be passed to the server. They are often used for dynamic content generation or to pass data between the client and server.
5. Fragment Identifier: The fragment identifier is an optional component that points to a specific section or anchor within a webpage. It is preceded by a "#" symbol and is used to navigate to a specific part of a page.
Example:
Here is an example of a URL: "https://www.example.com/index.html?id=123#section1"
- Protocol: HTTPS
- Domain: www.example.com
- Path: /index.html
- Query Parameters: id=123
- Fragment Identifier: section1
Functionality and Importance:
URLs play a crucial role in web browsing and information retrieval. They allow users to access specific web resources by simply clicking on a link or entering the URL in a browser's address bar. URLs are also essential for search engines to index and rank web pages, making them discoverable to users.
In conclusion, a URL is the global address of documents and resources on the World Wide Web. It consists of various components that provide specific information about the location and access of a web resource. Understanding URLs is essential for navigating the internet and accessing the vast amount of information available online.

Uniform Resource Locator (URL)

URLs are the global addresses of documents and other resources on the World Wide Web. They specify where a particular resource is located and how to access it.

Components of a URL:
- Protocol: The protocol specifies how the resource should be accessed, such as HTTP, HTTPS, FTP, etc.
- Domain Name: The domain name identifies the specific website where the resource is located.
- Path: The path indicates the specific location of the resource within the website's directory structure.
- Parameters: Optional parameters can be included in a URL to provide additional information to the server.

Example of a URL:
- URL:

https://www.edurev.in/courses https://www.edurev.in/courses

- Protocol: HTTPS
- Domain Name: www.edurev.in
- Path: /courses

Importance of URLs:
- URLs provide a standardized way to access resources on the internet.
- They make it easy for users to navigate the web and share links to specific content.
- Search engines use URLs to index and rank web pages, making them crucial for SEO.

In conclusion, a Uniform Resource Locator (URL) is a fundamental component of the web that allows users to access and share resources across the internet.