This is the first generation of the World Wide Web, which was separate static websites rather than continually-updated weblogs and social networking sites. Web 1.0 is one-way broadcasting, meaning only the owner of the site can publish information.
Web 1.0 sites aren't interactive. Visitors can only visit these sites; they can't impact or contribute to the sites.
Web 1.0 sites are static. They contain information that might be useful, but there's no reason for a visitor to return to the site later. An example might be a personal Web page that gives information about the site's owner, but never changes.
Web 1.0 applications are proprietary. Under the Web 1.0 philosophy, companies develop software applications that users can download, but they can't see how the application works or change it.
WEB 2.0
Web 2.0 signifies a conversation between the original author of the content and all those who can comment or participate. Web 2.0 refers to people making connections with other people through the Web, as they do on these Web sites:
- Social networking sites like MySpace or Facebook
- Blogs like LiveJournal or Twitter
- Sites that allow users to contribute content like wikipedia
- Sites that let users share content like YouTube
WEB 3.0
Web 3.0 is not clearly defined but it generally says that Web 3.0 is about openness and about being available from all devices at all places.
According to some Internet experts Web 3.0 will allow the user to sit back and let the Internet do all of the work for them. Rather than having search engines gear towards your keywords, the search engines will gear towards the user. Keywords will be searched based on your culture, region, and jargon.
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