Nowadays, the Internet has become a widespread information infrastructure that reaches various fields, such as business, education, hospitality, and research. It has changed how people live, work, play and learn. Sometimes the term Internet with Web as a collection of interconnected websites and other resources, such as files and images, which are linked by hyperlinks and Uniform Resource Locators (URLs).
With the advent of time, various versions of Web have been introduced. These versions are given as follows:
Web 1.0
Provides read-only content and static HTML websites. There was no scope for user interaction of content contribution to the websites. Therefore, Web 1.0 is also called read-only Web. Some examples of Web 1.0 are Geocities and Hotmail.
Web 2.0
Enables people to collaborate and share information on the Internet. It provides transition from static HTML Web pages to dynamic Web pages. Web 2.0 allows you to create Rich Internet Applications (RIAs) that are delivered through a Web browser. These RIA application facilitate interactive information sharing, interoperability, user-oriented design, and interactions among people on WWW. An RIA application is delivered by using either a Web browser, through a browser plug-in (for instance, flash player), or websites, such as Flickr, YouTube and Digg.
Web 3.0
Enables people to personalize a Web page on a website, for instance Google. This is the latest version of Web, which is under development, and considered as a set of standards that can turn the entire Web into one big database. It is also know as Semantic Web to Web 3.0 is to create a place where search engines and software agents can perform the search process in better way.