The most important of these, in my opinion, includes persistent connections, chunked transfer-coding and fine-grained caching headers. The Hypertext Transfer Protocol is an application protocol for distributed, collaborative, hypermedia information systems that allows users to communicate data on the World Wide Web. What is the purpose of HTTP? HTTP (Hypertext Transfer Protocol) is the set of rules for transferring files, such as text, graphic images, sound, video, and other multimedia files, on the World Wide Web.As soon as a web user opens their web browser, the user is indirectly making use of HTTP.HTTP is an application protocol that runs on top of the TCP/IP suite of protocols (the foundation protocols for the Internet). The XHR Object is … HyperText Transfer Protocol (HTTP) is the underlying protocol used by the World Wide Web to define how messages are formatted and transmitted and what actions Web servers and browsers should take in response to various commands. 1.1 Purpose The Hypertext Transfer Protocol (HTTP) is an application-level protocol for distributed, collaborative, hypermedia information systems. Network ports, their protocols and purposes. In other words, HTTP provides a pathway for you to communicate with a web server. When the webserver receives and accepts the request, it uses the same protocol to send the page back to you. We'll briefly touch upon these features in this article; in-depth coverage will be provided in part two. TCP and the UDP are the main transport protocols which are used in the modern era. HTTP/1.1 200 OK Date: Mon, 27 Jul 2009 12:28:53 GMT Server: Apache/2.2.14 (Win32) Allow: GET,HEAD,POST,OPTIONS,TRACE Content-Type: httpd/unix-directory TRACE Method. When you open a web page that uses HTTP, your web browser uses the HyperText Transfer Protocol (over port 80) to request the page from the webserver. Most commonly, it is used for … Despite the XML and Http in the name, XHR is used with other protocols than HTTP, and the data can be of many different types like HTML, CSS, XML, JSON, and plain text. HyperText Transfer Protocol is the basic communication protocol used in Internet life. It’s a protocol that allows communication between different systems. Any man-in-the-middle can listen to TCP communication and read your personal data transmitted over the web. These links may be in any form like text or images. HTTP is designed on Client-server principles which allow a client system for establishing a connection with the server machine for making a request. Here is a beginners guide to HTTP covering details of what is HTTP, structure of HTTP request and response in a transaction, what is HTTPS, viewing HTTP request and response in Chrome and list of HTTP status codes. XHR is often used to request and recieve data for the purpose of modifying a web page. The current version of the protocol is HTTP/1.1, which adds a few extra features to the previous 1.0 version. HTTP is an insecure protocol since data in an HTTP protocol is encoded in plain text format. The first version of HTTP, referred to as HTTP/0.9, was a simple protocol for raw data transfer across the Internet. Clients and servers communicate by exchanging individual messages. Hyper Text Transfer Protocol (HTTP): HTTP is designed for transferring a hypertext among two or more systems. HTTP has been in use by the World-Wide Web global information initiative since 1990. 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