What Are Web 2.0 and Web 3.0? Web 2.0 and Web 3.0 refer to successive iterations of the web, compared with the original Web 1.0 of the 1990s and early 2000s. Web 2.0 is the current version of the internet (a term often used interchangeably with the web) with which we are all familiar, while Web 3.0 represents its next phase. Web refers to the World Wide Web (WWW), the internet’s core information retrieval system. The WWW initialism used to (and often still does) preface a web address and was ...