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Hypertext Transfer Protocol

Definition

Hypertext Transfer Protocol, often abbreviated as HTTP, is the set of rules for transferring files, such as text, images, sound, video, and other multimedia files, on the World Wide Web. It is a protocol used for transmitting hypermedia documents in the form of web pages. As a foundation of any data exchange on the web, HTTP is used by browsers to fetch webpages from servers.

Phonetic

The phonetic pronunciation of Hypertext Transfer Protocol is: “hahy-per-teks-tran-sfer-pruh-tuh-kawl”.

Key Takeaways

Hypertext Transfer Protocol main takeaways:

  1. Hypertext Transfer Protocol (HTTP) is the foundation of any data exchange on the Web and it is a protocol used for transmitting hypertext via the internet.
  2. HTTP is a stateless protocol, meaning that each command is executed independently, without any knowledge of the commands that came before it.
  3. HTTP allows for communication between a variety of hosts and clients, and supports a range of data types and responses, making it an adaptable and flexible protocol.

Importance

Hypertext Transfer Protocol (HTTP) is a fundamental technology term that is crucial for the functioning of the World Wide Web. It plays an important role in facilitating the exchange of information on the internet by defining how messages are transmitted and what actions web servers and browsers should take in response to various commands. HTTP enables the retrieval of interconnected text documents (hypertext) embedded with hyperlinks, making it possible for users to navigate between webpages. It is a stateless protocol, which means it doesn’t remember any prior web session data, ensuring that each request from the client to the server is treated independently without any context from the previous requests, this contributes to the speed and efficiency of the data transfer. Its importance also lies in providing a standardized communication system that can be universally understood and followed by different kinds of technologies for smooth internet operations.

Explanation

Hypertext Transfer Protocol (HTTP) serves a fundamental purpose in the World Wide Web, as it sets the rules for exchanging files (text, graphic images, sound, video, and other multimedia files) on the web. The key objective of HTTP is to enable communication between a client’s web browser and a server hosting a website. When a user requests to view a web page, that action initiates the protocol and triggers data transfer between the server and the client’s browser. The role of HTTP is vital for the user’s experience while browsing the web. For example, suppose you typed a URL into your web browser or clicked on a hyperlink. HTTP takes the responsibility to fetch the desired web page from the appropriate server and deliver it to your browser. It not only ensures the transfer of data but also makes sure the data is formatted and transmitted correctly to be successfully displayed. HTTP commands also manage how web servers and browsers should respond to various commands in different situations.

Examples

1. Browsing the Internet: When you type a URL into your web browser, you are using HTTP. For example, if you type www.google.com, your browser sends an HTTP request to the server where the Google website is hosted. The server then responds with the site’s HTML data, which your browser interprets and displays as the Google website. 2. Online Shopping: HTTP is also used in online shopping. When you select an item and add it to your cart, your browser sends an HTTP request to the online shop’s server. The server then sends back information about your cart’s current status. The process is repeated every time you add, remove, or change items in your cart.3. Social Media: When you are scrolling through Facebook or Instagram, each photo, video, or status update you see is a result of HTTP. When you scroll, your browser is constantly sending HTTP requests for more content, and the servers of these social media platforms are continuously responding by sending new content to your browser.

Frequently Asked Questions(FAQ)

**1. Q: What is Hypertext Transfer Protocol (HTTP)?** A: Hypertext Transfer Protocol (HTTP) is a system for transmitting and receiving information across the internet. It is an application protocol that forms the foundation of data communication on the World Wide Web.**2. Q: How does HTTP work?** A: HTTP works through a request/response process between a client, such as a user’s web browser, and a server. The client sends a request message to the server, and the server responds with a message of its own.**3. Q: Why is HTTP important?** A: HTTP is crucial for the operation of the World Wide Web. Without it, web pages wouldn’t be able to load on your browser, and the interconnectivity of the internet would be affected.**4. Q: Is HTTP secure?** A: The standard HTTP is not secure, as it doesn’t encrypt the data being transmitted. A secured version, HTTPS (HyperText Transfer Protocol Secure), enables encrypted communication and secure connection.**5. Q: What’s the difference between HTTP and HTTPS?** A: HTTP and HTTPS essentially perform the same task, but HTTPS does so in a secured, encrypted manner. HTTPS is often used to protect confidential online transactions like online banking and shopping order forms.**6. Q: What is an HTTP Status Code?** A: An HTTP Status Code is a server’s response to a request made by a client. It indicates whether a specific HTTP request has been completed, and if not, where the error lies.**7. Q: What does the “404 Not Found” HTTP status code mean?** A: The 404 Not Found code means that the server cannot find the requested resource. This can occur if there’s a mistake in the URL, or if the page has been deleted from the server.**8. Q: What is HTTP/2?** A: HTTP/2 is the latest version of HTTP. It improves speed and performance by allowing multiple requests to be sent at the same time and responses to be received out of order.**9. Q: Do all browsers support HTTP/2?** A: Most modern browsers, including Google Chrome, Firefox, Safari, and Internet Explorer 11, do support HTTP/2.**10. Q: What’s the future of HTTP?** A: The future of HTTP lies in the continued development and deployment of HTTP/2 and beyond, as they offer better efficiency, security, and speed in the handling of traffic between browsers and servers.

Related Tech Terms

“`html

  • URL (Uniform Resource Locator)
  • HTTP (Hypertext Transfer Protocol Secure)
  • Web Server
  • Web Browser
  • GET Request

“`

Sources for More Information

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