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’s an argument we’ve heard for the past generation with Web 2.0, though what starts as an option increasingly feels less so for offerings that are really about collecting 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

Do you have a definition in your mind for Web 2.0?

From Slate • Feb. 24, 2022