- Real-Time Internet Measurement
- Internet / Web Demographics
- Size and Scope of the Internet
Domain Survey, conducted by Network
Wizards and sponsored by the Internet
Software Consortium. The latest survey in July 2001 showed an
estimated 125.9 million hosts on the Internet. Breakdowns by country
domains is available. Historical data from pervious surveys is also
available (see Lotter's RFC
Trends by Tony Rutkowski, Center for Next Generation
Internet. Provides useful summary analysis of Internet host growth.
Internet Domain Hostcount statistics, generated by RIPE.
European Internet Domain Hostcount statistics going back to
December 1990. Generated by RIPE
Netcraft Web Server Survey. Netcraft collect and collate as
many Internet hostnames providing an http service as they can find, and
systematically poll each one with an http request for the server name.
In the May 1997 survey they received responses from 1,044,163 sites,
rising to 11,161,854 sites by February 2000 and up to 36,689,008 in
Measuring the Web with Lycos, by Michael L. Mauldin, Lycos
Inc (Oct. 1995).
Statistics : Growth and Usage of the Web and the Internet, by
Matthew Gray, MIT, USA.
Internet Statistics by Language, produced by Euro-Marketing
Associates (EMA). Estimates of people with access to the Internet by
native spoken language.
How Many Online?. A listing of the best estimates of the
number of people online by region and country. Compiled by Nua Internet
statistics for Latin America and the Caribbean region ("Nodos
y Servidores WWW de America Latina y el Caribe") by the Universidad de
- Internet Growth Forecasting Tool. Developed by Christian Huitema and
Sam Weerahandi of Bellcore.
domain registration statistics by NetNames Ltd.
Most Wired Cities 2002, by Guy Michael Currier, Yahoo!
Internet Life magazine, May 2002. (The version from April
2001 is also available).
Communications Outlook 2001, provides a valuable compendium
of statistics on public telecommunication and network infrastructure
and services in the OECD countries. (Details on the 1999
Topology and Connectivity in the Americas, a report by Eric
Arnum, Technical Conference for the Implementation of IABIN, 15-18th
April 1999, Brasília. (Background information is here.)
Internet Access Price Comparison. A useful survey of the
differences in cost of accessing the Internet in OCED countries.
on Networking in Latin America, provided by TILAN (Trends in
Latin American Networking), LANIC, University of Texas at Austin.
- Statistics on the global geography of
Com/Org/Net/Edu domains names by Matthew Zook, University of
Surveys by D.J. Bernstein. Large scale surveys of host many
hosts are visible on the Internet, and which Internet email server
software is being used.
Growth Trends, by Larry Roberts, IEEE Computer - Internet
Watch, January 2000.
20 local markets in the USA in terms of Internet penetration and usage.
Based on research by Nielsen//Netrating, 12th April 2000.
- Zook, M., 2000, "Internet
Metrics: Using Host and Domain Counts to Map the Internet", Telecommunications
Policy, Volume 24, No. 6/7, July/August 2000.
- Foley P., 2000, "Whose
Net? Characteristics of Internet users in the UK", report for
the Policy Action Team 15 on ICTs and Social Exclusion, February 2000.
- Hinner K., 2000, "Statistics
of Major IRC Networks: Methods and Summary of User Count", M/C:
A Journal of Media and Culture, Issue 4, August 2000.
cyberspace: Internet trends in 2000, by the International
Geography 2002, a comprehensive report on global Internet
infrastructure. Published TeleGeography, September 2001.
Internet IP Traffic Growth, a powerpoint presentation by
Lawrence Roberts, Caspian Networks Inc., August 2001.
Infrastructure Indicators, 1990-2010, provides a useful
assemblage of national-level statistics on telecommunications and
Internet for many countries, with projections into the future to 2010.
Part of the World Bank's infoDev project.
Development of Broadband Access in OECD Countries, a report
by the Organisation for Economic Co-operation and Development, October
Traffic Exchange and the Development of End-to-End International
Telecommunications Competition, a report by Organisation for
Economic Co-operation and Development, March 2002.
Networked Readiness Index: Measuring the Preparedness of Nations for
the Networked World, by Geoffrey S. Kirkman, Carlos A.
Osorio, and Jeffrey D. Sachs. This is part of a much larger report, The
Global Information Technology Report 2001-2002, by the World
Economic Forum in collaboration with the Center for International
Development at Harvard University.
- Hayes B., 1997, "The
Infrastructure of the Information Infrastructure", American
Scientist, May-June 1997, Vol 85, No. 3, pages 214-218.
- The Size of the Web and search engines
Engine Sizes, by by Danny Sullivan at Search Engine Watch.
Search Engine Coverage and Overlap, by Krishna Bharat, Andrei
Broder, and colleagues at Digital Systems Research Center.
the Size of the Internet Databases, an article by Greg R.
Notess, Database, Vol. 20, No 5, pages 69-72, Oct-Nov 1997.
big is the Web?, How much of the Web do the search engines
index? How up to date are the search engines? by Steve Lawrence and C.
Lee Giles, NEC Research Institute.
Web Watch: a register of statistical data, edited by Dr
T.Matthew Ciolek, Research School of Pacific and Asian Studies,
Australian National University, Canberra, Australia. See also his
information flows in Asia: the research uses of the Altavista search
engine and 'weblinksurvey' software", July 2001.
- The Web
Characterization project of W3C. The main aim being to "...
provide information for the Web community how the Web is currently
being used and anticipated use in the near future."
- Lawrence S. & Giles C.L.,
1999, "Accessibility of information on the web", Nature,
Vol. 400, 8th July 1999.
- How wide is the web? Well, apparently 19 clicks
by Reka Albert, Hawoong Jeong, and Albert-Laszlo Barabasi at department
of Physics, University of Notre Dame, USA. See their paper, "Diameter
of the World-Wide Web", Nature, Vol. 401,
9th September 1999, pages 107-109 [pdf format].
Characterization Project of the Online Computer Library
Center (OCLC). Their aim being to "... describes the structure, size,
usage, and content of the Web. It is also concerned with developing
data collection methodologies and metrics for Web description".
- The Web passes 1 billion publicly indexable pages
in January 20000 according to research by Inktomi and the NEC Research
Institute. See the Inktomi
WebMap and the press
release for more details.
- The Search Engine
Showdown by Greg R. Notess, provides a user's guide to
searching the Internet with useful statistical information on the size,
overlap, unique hits, change over time, and dead links of the largest
Web search engines.
- The 'Bow
Tie' map of the Web by researchers at IBM Research Almaden,
Compaq Corporate Research Laboratories and AltaVista, May 2000. See
their paper for full details,
- Broder, A., et al., 2000, "Graph
Structure in the web", paper presented at the the Ninth
International World-Wide Web Conference, 15-19th May 2000,
Deep Web: Surfacing Hidden Value", a useful white paper by
BrightPlanet.com, July 2000, on the real size of the Web when you count
hidden information resources in database driven websites.
- How Much
Information? a useful report, from November 2000, looking at
the worldwide production of information, including the Internet
and the Web. The lead researchers were Peter Lyman and Hal R.
Varian, School of Information Management and Systems at the University
of California at Berkeley. See their update published in November 2003,
Much Information? 2003.
- Levene, M. & Poulovassilis, A.,
Dynamics", Software Focus, February 2001.
- Barabási, A-L.,
physics of the Web", PhysicsWorld, July
2001, Vol. 14, No. 7.
- The Google
Zeitgeist provides some interesting summary stats on top
queries at the Google search engine.
- Huberman B.A., 2001, The
Laws of the Web: Patterns in the Ecology of Information,
(MIT Press). [Buy
the book from Amazon.com and support Cyber-Geography Research]
See also, Adamic L.A. & Huberman B.A., 2001,
Web's Hidden Order", Communications of the ACM,
September 2001, Vol. 44, No. 9, page 55-62.
don't take all: Characterizing the competition for links on the Web,
a NEC study by David Pennock, Gary Flake, Steve Lawrence, Eric Glover,
C. Lee Giles, April 15, 2002.
- O'Neill E.T., Lavoie B.F., and Bennett
R., 2003, "Trends
in the Evolution of the Public Web, 1998-2002", D-Lib
Magazine, April, Vol. 9, No. 4.
- Measuring the Most Popular Web Sites
- Internet Traffic
- Pitkow J. 1997, "
In Search of Reliable Usage Data on the WWW", at The Sixth
International World-Wide Web Conference, 7-11th April 1997, California,
- Claffy K. & Monk T.
"Internet Data Acquisition and Analysis: Status and Next Steps",
INET'97 Conference, 24-27th June 1997,
Kuala Lumpur, Malaysia.
- Pitkow J.E., 1998, "Summary
of WWW Characterizations", paper presented at The
Seventh International World-Wide Web Conference, 14-18th
April 1998, Brisbane, Australia.
- Coffman K.G. & Odlyzko A.,
Size and Growth Rate of the Internet", First Monday,
5th October 1998, Vol. 3, No. 10.
- Paltridge S., 1998, "Internet
Infrastructure Indicators", report by the Directorate for
Science, Technology and Industry, Organisation for Economic
Co-operation and Develop (OECD).
- Kirkwood H.P., 1999, "Internet
Surveys, Statistics and Geography", ONLINE,
Technology Outlook 2000, a report from OCED. Provides
comprehensive and up to date statistics and analysis of ICTs,
e-commerce and the Information Economy. March 2000.
and Spokes: An TeleGeography Internet Reader, provides a
valuable guide to the geography of global Internet infrastructure.
- Odlyzko A., 1999, "The
Current State and Likely Evolution of the Internet". Proceedings
of Globecom'99, IEEE, pp. 1869-1875.
Bandwidth 2000, a report by TeleGeography. Provide most
comprehensive guide to global bandwidth supply and demand. April 2000.
- Minges, M., 2000, "Counting
the Net: Internet Access Indicators", paper presented at the INET
2000 Conference, 18-21th July 2000, Yokohama, Japan.
- Coffman, K.G. & Odlyzko, A.M.,
growth: Is there a "Moore's Law" for data traffic?",
unpublished preliminary version, July 2000, AT&T Labs.
- Murray M. & Claffy K.C.,
the Immeasurable: Global Internet Measurement Infrastructure",
paper presented at the Passive and Active Measurements (PAM)
workshop, 23-24 April 2001, Amsterdam.
- Cockburn A. & McKenzie, B.,
Do Web Users Do? An Empirical Analysis of Web Use", International
Journal of Human-Computer Studies, Vol. 54, no. 6, page
Analysis of Global Internet Measurements Workshop, 10-14th
September 2001, Leiden, Netherlands.
- Other Good Meta-Lists on Internet Stats
Atlas of Cyberspaces