How web pages work 4.01

Webpage development standards cont.2

The HTML standards are constantly evolving to meet the needs of Web users. The current standard is HTML5. The W3C also creates standards for website accessibility, mobile web, etc. The W3C has a Web Accessibility Initiative (WAI) which develops strategies, guidelines, and resources to help make the Web accessible to people with disabilities

Webpage development standards cont.

The W3C mission is to lead the World Wide Web to its full potential by developing protocols and guidelines that ensure the long-term growth of the Web

Webpage development standards

The World Wide Web Consortium (W3C) is an international community that develops open standards. An open standard is a standard that is publicly available and has various rights to use associated with it, and may also have various properties of how it was designed (e.g. open process) The W3C developed the standards for HTML and CSS.

Simplified explanation of web browser and web server

The content on the Web is available because the Web is a network of computers all over the world.The interconnected devices on the Web use a communication standard known as http(hypertext transfer protocol).

Hyperlink

The documents within a web site are typically hyperlinked and a navigation system (or menu) permits the user to move between pages. A simple website could be organized in just one folder, but large websites need to be organized in some mannerbecause of the large number of files

Web site

Typically a collection of related webpages with a starting point or home page. Web pages are organized in a directory structure on a web server. The web server runs special software to serve up the content by responding to requests

HTML

Code is often referred to as source code. HTML can be coded using a plain text editor. Markup language which means that special codes are used to define elements. It is not scripting or a programming language.

Absolute links

Defines the location of the document including the protocol required to get the document, the server, the directory and the name of the document.

Relative links

Means that it is relative to the current document. The Web server knows the location of the current document so it knows how to find relative links.

Web pages

A document which can display text, graphics, audio, video and other elements through a web browser. Web pages are documents stored on web servers. Web pages contain instructions on how to display content. The most common instructions are in hypertext markup language (HTML)

Web browser

A software application designed to retrieve and present content on the Web) fetches a Web page from a server by a request. A standard http request includes a page address.

IP address

A unique string of numbers separated by periods that identifies each computer using the Internet Protocol to communicate over a network

Web server

Also called web hosts. The web server fetches pages by request and sends them to the client's browse

Web address

An address or Uniform Resource Locator (URL) is the method for locating a document on the Web. The URL typically points to the home page or default page (often index.html) that is located in the root folder of the website.