The World Wide Web (WWW or simply the web) is a collection of electronic documents (called web pages) that are linked together like a spider web. These documents are stored on computers called servers located around the world.
The World Wide Web is about communication between web clients and web servers. Clients are often browsers (Chrome, Edge, Safari), but they can be any type of program or device. Servers are most often computers in the cloud.
Uniform Resource Locator (URL) is the address of internet sites and files in web
browsers. In a web browser, you may use a URL to find certain sites and files.
The simplest format for a URL is as follows. protocol://host/path/filename
The Hypertext Transfer Protocol is used to load pages on the Internet using hyperlinks. Communication between clients and servers is done by requests and responses.
1. A client (a browser) sends an HTTP request to the web
2. A web server receives the request
3. The server runs an application to process the request
4. The server returns an HTTP response (output) to the browser
5. The client (the browser) receives the response
In other words, HTTP is a pull protocol, the client pull information from the server. example of url : http://www.google.com
The Hypertext Transfer Protocol Secure is developed by Netscape Hypertext Transfer Protocol Secure (HTTPS) is a protocol that secures communication and data transfer between a user's web browser and a website. HTTPS is the secure version of HTTP.
It uses Transport Layer Security (TLS)/Secure Sockets Layer (SSL) encryption over HTTP to secure. An HTTPS URL begins with https:// instead of http://.
Web page is the basic unit of information available on the Web. The World Wide Web consists of files, known as pages or web pages, containing information and links to resources throughout the Internet.
Every web page has a unique address known as a URL, which may be typed in the browser’s address bar to travel straight to a site.
A website is a set of connected web pages which are inter-linked by logical pointers called hyperlinks. Home page - Generally the first page retrieved when accessing a Web site. Usually a "home" page acts as the starting point for a user to access information on the site.
example of Website :
1. www.google.com
2. www.youtube.com
3. www.facebook.com
A Web server is an application program that runs on the host computer and manages the web pages stored on the website’s repository. Its purpose is to provide the information and services to the Web users.
A Web browser is an software or even a mobile app that shows web pages, images, and other forms of online material. Google Chrome, Firefox, Internet Explorer, Microsoft Edge, and Safari are among the most popular web browsers.
A company that provides Internet access to its customers. and provide wide variety of services – streaming, Live TV, Browsing, Domain name registration, web hosting, Usenet services etc.
A number issued to each device connecting to the Internet is an IP address. All computers on the Internet, from your smart phone or laptop to the servers that serve content for massive retail websites, find and communicate with one another by using numbers. These numbers are known as IP addresses.
A domain name is the part of your Internet address that comes after "www". This is a user-friendly naming scheme for addressing web pages. It describes a computer's position on the Internet. A dot usually divides a domain name, such as www.google.com
DNS, or the Domain Name System, translates human readable domain names (for example, www.amazon.com) to machine readable IP addresses (for example, 192.0.2.44).
The fundamental language for building hypertext documents on the World Wide Web. That is used in simple, plain ASCII-text documents.
Hyperlink is a connection from one web resource to another. A link has two ends, An
anchor and direction. The link starts at the “source” anchor and points to the “destination”.
Syntax '< a href="">'
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