Web 2.0

American  

noun

1. a second generation in the development of the World Wide Web, conceived as a combination of concepts, trends, and technologies that focus on user collaboration, sharing of user-generated content, and social networking.

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Web 2.0 British  

noun

1. the internet viewed as a medium in which interactive experience, in the form of blogs, wikis, forums, etc, plays a more important role than simply accessing information

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Etymology

Origin of Web 2.0

First recorded in 2000–05

Example Sentences

It is a question informed by having lived through Web 2.0, an era of technology fueled by user data.

From The Wall Street Journal • Mar. 14, 2026

The network infrastructure that was built during the dot-com boom became the backbone of Web 2.0.

From Barron's • Dec. 12, 2025

At the tail-end of the technooptimist spike brought by President Barack Obama, this was the last gasp of Web 2.0.

From Salon • Nov. 7, 2025

Lina Khan believes A.I. disruption demands that regulators take a different approach from that of the Web 2.0 era.

From New York Times • Nov. 10, 2023

The big technology companies exist in a Web 2.0 context.

From Slate • Nov. 30, 2022