III. Size and Growth

According to the results of the Web Characterization Project's most recent survey, the public Web, as of June 2002, contained 3,080,000 Web sites, or 35 percent of the Web as a whole. Public sites accounted for approximately 1.4 billion Web pages. The average size of a public Web site was 441 pages.

Source: Trends in the Evolution of the Public Web @ http://www.dlib.org/dlib/april03/lavoie/04lavoie.html
D-Lib Magazine
April 2003

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Table 1.13: The size of the Internet in terabytes.

Medium

2002 Terabytes

Surface Web

167

Deep Web

91,850

Email (originals)

440,606

Instant messaging

274

TOTAL

532,897

Source: How much information 2003 @ http://www.sims.berkeley.edu/research/projects/how-much-info-2003/execsum.htm#summary