| Statistic | Date | Source |
| Top Environmental-Related Topics on AOL Search April 1 - 15 | April 2006 | AOL |
| Top Web Sites That Received Traffic From the Term "Earth Day," March 15-April 15, 2006 | April 2006 | Hitwise |
| Top Search Terms Delivered to EPA.gov | April 2006 | Hitwise |
| Most Popular Search Term Suggestions For "recycling" | April 2006 | Hitwise |
| Weblogs Cumulative March 2003 - April 2006 | April 2006 | Technorati |
| New Blogs Per Day | April 2006 | Technorati |
| Daily Posting Volume | April 2006 | Technorati |
| Top Newspapers With Expanded 25-34 Demographic Reach, Spring 2006 | April 2006 | Newspaper Association of America |
| Top 25 Parent Companies at Home and Work, Februry 2006 | March 2006 | Nielsen//NetRatings |
| Top 10 Stickiest Brands at Home and Work, February 2006 | March 2006 | Nielsen//NetRatings |
| Unique U.S. Visitors to Online Streaming of First Round NCAA Tournament Games from NCAAsports.com, March 16 and 17, 2006 | March 2006 | comScore Networks, Inc. |
| U.S. Traffic Growth on the CBS SportsLine.com Network Sites, February 27-March 12 2006 | March 2006 | Nielsen//NetRatings |
| U.S. Traffic to NCAA Sites by Location, March 15-16, 2006 | March 2006 | Nielsen//NetRatings |
| U.S. Traffic to NCAA-Related Sports Sites, March 15-17, 2006 | March 2006 | Nielsen//NetRatings |
| Unique U.S. Visitors to NCAA Men's Basketball Content, March 16 and 17, 2006 | March 2006 | comScore Networks, Inc. |
| Dating-Related Online Activities, September-December 2005 | March 2006 | Pew Internet & American Life Project |
| U.S. Online Dating User Data, September-December 2005 (%) | March 2006 | Pew Internet & American Life Project |
| Web Surfing and Broadband Penetration Chronology March 2000 - December 2005 | February 2006 | Pew Internet & American Life Project |
| U.S. Traffic for Valentines Day Related Keywords by Week January 2005 - February 2006 | February 2006 | Hitwise |
| Top Poetry Sites by Market Share of Visits to Custom Category, Week Ending February 11, 2006 | February 2006 | Hitwise |
| Top Flower and Gift Sites by Market Share of Visits to Category, Week Ending February 11, 2006 | February 2006 | Hitwise |
| Online Consumer Spending, January 1 - February 9, 2005 and 2006 | February 2006 | comScore Networks |
| Unique U.S. Visitors to Flower, Gift, and Greetings Sites by Location, January 2006 | February 2006 | comScore Networks |
| Demographics of Male and Female Internet Users, 2005 | December 2005 | Pew Internet & American Life Project |
| Intensity of Internet Use by Sex, 2005 | December 2005 | Pew Internet & American Life Project |
| European Online Usage, September and October 2005 | December 2005 | The European Interactive Advertising Association |
| Unique Visitors to Classified Sites, September 2004 and 2005 | November 2005 | comScore Media Metrix |
| Americans Who Have Donated Online, October 2001-September 2005 | November 2005 | Pew Internet & American Life Project |
| How Americans Got News About Hurricanes Katrina and Rita (%) | November 2005 | Pew Internet & American Life Project |
| Top Food and Beverage Reference Web Sites, Week Ending November 12, 2005 | November 2005 | Hitwise |
| U.S. Consumer Internet Video Adoption | November 2005 | Points North Group and Horowitz Associates, Inc. |
| U.S. Consumer Internet Video Interest | November 2005 | Points North Group and Horowitz Associates, Inc. |
| Top Growth Properties by Percentage Change in Unique Visitors, August and September, 2005 | November 2005 | comScore Media Metrix |
| Top Growth Categories by Unique Visitors, August and September, 2005 | November 2005 | comScore Media Metrix |
| Top 50 Properties, September 2005 | November 2005 | comScore Media Metrix |
| Ad Focus Ranking September 2005 Total U.S. Home, Work, and University Locations | November 2005 | comScore Media Metrix |
| RSS Enabled Products Used by Unaware RSS Users October 2005 | October 2005 | Yahoo and Ipsos Insight |
| RSS User Demographics, October 2005 | October 2005 | Yahoo and Ipsos Insight |
| RSS-Enabled Products Used by Aware RSS Users, October 2005 | October 2005 | Yahoo and Ipsos Insight |
| Time Spent On Media Activities (hours) | August 2005 | Forrester Research, Inc. |
| U.S. Consumer Long Distance/Local Carrier Destinations, July 2005 | August 2005 | Nielsen//NetRatings, August 2005 |
| U.S. Consumer Instant Messaging Destinations, July 2005 | August 2005 | Nielsen//NetRatings, August 2005 |
| North American RSS User Characteristics | August 2005 | Forrester, 2005 |
| North American RSS User Online Habits (%) | August 2005 | Forrester, 2005 |
| Top Craigslist U.S. Local Market Web Domains by U.S. Internet Visit Market Share, June 2005 | July 2005 | Hitwise, 2005 |
| Share of Time Spent Online, June 2004-June 2005 (%) | July 2005 | OPA and Nielsen//NetRatings, 2005 |
| Total Time Spent Online (millions of hours) | July 2005 | OPA and Nielsen//NetRatings, 2005 |
| Reach (%) | July 2005 | OPA and Nielsen//NetRatings, 2005 |
| Browser Market Share, July, 2005 | July 2005 | NetApplications via Hitslink.com, 2005 |
| Trends in Browser Market January - June 2005 | July 2005 | Janco Associates, 2005 |
| High-Speed Services for Internet Access | June 2005 | Federal Communications Commission, 2005 |
| Top Airline Web Sites by Visitors, April 2005 (U.S., Home and Work) | June 2005 | Nielsen//NetRatings NetView and MegaView Travel, June 2005 |
| Top Online Travel Agencies by Visitors, April 2005 (U.S., Home and Work) | June 2005 | Nielsen//NetRatings NetView and MegaView Travel, June 2005 |
| Adult Internet User Participation in Online Activities (%) | June 2005 | Pew Internet & American Life Project, 2005 |
| Poliltical Blog Posts, September 27-October 31, 2004 | May 2005 | BuzzMetrics and Pew Internet & American Life Project, 2005 |
| Citizen Chatter on Politically Focused Message Boards and Forums, September 27-October 31, 2004 | May 2005 | BuzzMetrics and Pew Internet & American Life Project, 2005 |
| Reference Sites Visits January - April 2005 | May 2005 | Hitwise Pty. Ltd, 2005 |
| Blog Activity, January 13-March 21, 2005 (%) | May 2005 | PEW Internet & American Life Project, 2005 |
| Local, National, and International News Source Among Adults, 2001 and 2004 | April 2005 | JupiterResearch, 2005 |
| Browser Ranking and Market Share Results from the Browser Market Share Study as of April 26, 2005 | April 2005 | itproductivity.org, 2005 |
| Share of Time Spent Online | April 2005 | OPA and Nielsen//NetRatings, 2005 |
| Total Time Spent Online | April 2005 | OPA and Nielsen//NetRatings, 2005 |
| Daily Visitors to Select Tax Sites | April 2005 | comScore Networks, 2005 |
| Tax Web Site Search Visablitiy | April 2005 | NetIQ/ Web Trends April 2005 |
| Browser 2001 to 2005 Quarterly Trend | February 2005 | Janco Associates, Inc. |
| FireFox Growth Trend | February 2005 | Janco Associates, Inc. |
| Active Home Internet Users by Country, November to December 2004 | February 2005 | Nielsen//NetRatings |
| Simultaneous Usage of TV and Internet Has Increased 72% in Four Years | Janurary 2005 | Media in mind |
| Internet Usage by Half Hour Adults 18-54 | Janurary 2005 | Media in mind |
| Demographic Comparison of Online Young Affluent Population with Young Adults Overall Online Users | Janurary 2005 | JupiterResearch |
| Time Spent by Different Internet Activities and by Location | Janurary 2005 | Stanford Center for the Quantitative Study of Society |
| Percentage of Respondents Who Use Internet by Education | Janurary 2005 | Stanford Center for the Quantitative Study of Society |
| The Growth of the Blogosphere | Janurary 2005 | Pew Internet & American Life Project |
| Election-Related Sites - Monday & Tuesday | November 2004 | comScore Networks |
| Traffic to Fastest Growing Sites, November 1 & 2, (US, Home) | November 2004 | Nielsen//NetRatings, November 2004 |
| The Kinds of Web Sites People Use to Get Political News and Information | October 2004 | Pew Internet & American Life Project |
| Americans' Main Sources of Campaign News by Relationship to Internet | October 2004 | Pew Internet & American Life Project |
| People's Main Sources Of Campaign News Over Time | October 2004 | Pew Internet & American Life Project |
| Post Click Activities | October 2004 | BURST! Research |
| Traffic to JohnKerry.com and RNC.org (U.S., Home) | August 2004 | Nielsen//NetRatings |
| Lycos 50 for the week ending July 3, 2004 | July 2004 | Terra Lycos |
| The Yahoo Buzz Index for the week ending May 8, 2004 | July 2004 | Yahoo |
| Top 10 Gaining Queries Week Ending July 5, 2004 | July 2004 | Google |
| Daily Visitors to Sites Related to Fahrenheit 9/11, U.S. | June 2004 | comScore Networks |
| Fastest Growing Movie Sites, Week Ending May 30, (U.S., Home) | June 2004 | Nielsen//NetRatings |
| Search Engine Global Usage Share | June 2004 | OneStat |
| Lycos 50 for the week ending May 8, 2004 | May 2004 | Terra Lycos |
| The Yahoo Buzz Index for the week ending May 8, 2004 | May 2004 | Yahoo |
| Fastest Growing Shopping Directories and Guides, U.S., Home | May 2004 | Nielsen//NetRatings |
| Top Online Search Destinations, March 2004 | April 2004 | Nielsen//NetRatings, March 2004 |
| Most Popular Non-Work Related Web Sites Accessed at the Office | April 2004 | Websense and Harris Interactive |
| Most Visited Health and Medical - Information Sites, March 2004, U.S. | April 2004 | Hitwise |
| The Yahoo Buzz Index for the week ending March 28, 2004 | March 2004 | Yahoo |
| Largest Increases in Share of U.S. Visits to Sports Fantasy and Basketball Sites, week ending March 20, 2004 | March 2004 | Hitwise |
| Fastest Growing Sports Sites, week ending March 14, 2004 (U.S., Home) | March 2004 | Nielsen//NetRatings |
| Most Visited Flowers and Gifts Sites, week ending February 14, 2004, U.S. | February 2004 | Hitwise |
| Most Visited Game-Related Sites, January 2004, U.S. | February 2004 | Hitwise |
| Sites for Music Bands and Artists Ranked by Visits, January 2004, U.S. | February 2004 | Hitwise |
| Travel Agency Sites Ranked by Visits, U.S. December 2003 | January 2004 | Hitwise |
| Most Visited Print News and Media Sites | January 2004 | Hitwise |
| Most Visited Retail Sites, December 2003, U.S. | January 2004 | Hitwise |
| Top Parent Companies for November 2003, U.S., Home and Work | January 2004 | Nielsen//NetRatings |
| Top Properties of November 2003 U.S., Home, Work and University | January 2004 | comScore Media Metrix |
| Wellbeing Sites Ranked by Visits for the week ending January 3, 2004 | January 2004 | Hitwise |
| Top Health, Fitness & Nutrition Sites, Week Ending January 4 | January 2004 | Nielsen//NetRatings, January 2004 |
| Political-Related Sites Ranked by Visits for the week ending January 10, 2004 | January 2004 | Hitwise |
| The Lycos 50 Most Popular Search Terms of 2003 | December 2003 | Lycos |
| Yahoo Top Searches for 2003 | December 2003 | Yahoo |
| Top 10 Most Popular Queries from Google | December 2003 | Google |
| Most Visited Retail Sites, October 2003, UK | December 2003 | Hitwise |
| Top Parent Companies of October 2003 at Work | December 2003 | Nielsen//NetRatings |
| Top Parent Companies of October 2003 at Home | December 2003 | Nielsen//NetRatings |
| Top Properties of October 2003, U.S., Home, Work and University | December 2003 | comScore Media Metrix |
| Total Minutes Spent Online, October 2003, U.S., Home, Work and University | December 2003 | comScore Media Metrix |
| Black Friday 2003 Traffic Gains | December 2003 | Nielsen//NetRatings |
| Dating Sites by Market Share, October 2003 | November 2003 | Hitwise |
| Traffic to Online Personals Sites, October 2003 | November 2003 | Nielsen//NetRatings |
| Top Pharmacy Sites Ranked by Visits, U.S. October 2003 | November 2003 | Hitwise |
| U.S. Automotive Sites Ranked by Market Share September 2003 | October 2003 | Hitwise |
| U.S. Automotive Manufacturers Sites Ranked by Market Share, September 2003 | October 2003 | Hitwise |
| U.S. Automotive Dealership Sites Ranked by Market Share, September 2003 | October 2003 | Hitwise |
| Top Stickiest Brands of September 2003, Work | October 2003 | Nielsen//NetRatings |
| Top Stickiest Brands of September 2003, Home | October 2003 | Nielsen//NetRatings |
| Top Parent Companies of September 2003 Work | October 2003 | Nielsen//NetRatings |
| Top Parent Companies of September 2003 at Home | October 2003 | Nielsen//NetRatings |
| Top Properties of September 2003, U.S., Home, Work and University | October 2003 | comScore Media Metrix |
| Total Minutes Spent Online, September 2003, U.S., Home, Work and University | October 2003 | comScore Media Metrix |
| Top Australian Sites Ranked by Visits, September, 2003 | October 2003 | Hitwise |
| Fastest Growing Weather Sites, U.S., at Home | September 2003 | Nielsen//NetRatings |
| Top Parent Companies of August 2003 at Work | September 2003 | Nielsen//NetRatings |
| Top Parent Companies of August 2003 at Home | September 2003 | Nielsen//NetRatings |
| Top Online Department Stores Ranked by Visits, August 2003, U.S. | September 2003 | Hitwise |
| Top Gaming Sites, July 2003 | August 2003 | Hitwise |
| Top Gaming Sites for the week ending August 17, 2003 (U.S., home) | August 2003 | Nielsen//NetRatings |
| Shopping & Classifieds - Apparel & Accessories Category July 2003, U.S. | August 2003 | Hitwise |
| Retail-Apparel Category, July 2003 U.S. Home, Work and University Users | August 2003 | comScore Media Metrix |
| E-mail Around The World, July 2003 | August 2003 | Hitwise |
| Top Australian and International Automotive Sites | August 2003 | RedSheriff |
| U.S. Automotive Classified Market Share | August 2003 | Hitwise |
| Top Shopping Destinations for the Week Ending August 3, 2003 | August 2003 | Nielsen//NetRatings |
| Unique Visitors to Travel Category Total U.S.,Home, Work and University Locations, June 2003 | August 2003 | comScore Media Metrix |
| Top Music Sites, June 2003, U.S. | July 2003 | Nielsen//NetRatings |
| Top Global Properties, June 2003 | July 2003 | Nielsen//NetRatings |
| Top U.S. Health & Family Resources Destinations | July 2003 | Nielsen//NetRatings |
| Traffic to Mobile Phones Web Sites | July 2003 | Hitwise |
| The Buzz Index for the week ending June 29, 2003 | July 2003 | Yahoo |
| Lycos 50 for the week ending June 28, 2003 | July 2003 | Terra Lycos |
| Top Parent Companies of May 2003 at Work | June 2003 | Nielsen//NetRatings |
| Top Parent Companies of May 2003 at Home | June 2003 | Nielsen//NetRatings |
| Traffic to Finance/Insurance/Investment Sites for week ending June 8, 2003, U.S. (at-home) | June 2003 | Nielsen//NetRatings |
| Top Stocks & Shares sites for week ending June 7, 2003, U.S. | June 2003 | Hitwise |
| Weekly Traffic to Online Travel Sites, April 2003 | May 2003 | Nielsen//NetRatings |
| Top Career and Development Sites, April 2003 | May 2003 | Nielsen//NetRatings |
| Top Parent Companies of April 2003 at Work | May 2003 | Nielsen//NetRatings |
| Top Parent Companies of April 2003 at Home | May 2003 | Nielsen//NetRatings |
| The Buzz Index for the week ending May 11, 2003 | May 2003 | Yahoo |
| Lycos 50 for the week ending May 10, 2003 | May 2003 | Terra Lycos |
| Traffic to Mortgage-Related Sites, March 2003 | May 2003 | comScore Media Metrix |
| Top Real Estate and Rental Sites, March 2003 | May 2003 | Nielsen//NetRatings |
| Traffic to Automotive Sites, U.S., week ending April 27, 2003 | May 2003 | Nielsen//NetRatings |
| Automotive Sites Visited by Internet Users Buying a Car | May 2003 | Cospirit Research |
| The Buzz Index for the week ending April 20, 2003 | April 2003 | Yahoo |
| Lycos 50 for the week ending April 19, 2003 | April 2003 | Terra Lycos |
| Top Parent Companies of March 2003, at Work | April 2003 | Nielsen//NetRatings |
| Top Parent Companies of March 2003, at Home | April 2003 | Nielsen//NetRatings |
| Traffic to Online Tax Services, (U.S., Home and Work) February 2003 | April 2003 | Nielsen//NetRatings |
| Traffic to Auto-Related Sites | April 2003 | Nielsen//NetRatings |
| Unique Visitors to Automotive Manufacturer Web Sites, Hispanic Internet Users | April 2003 | comScore Media Metrix |
| Unique Visitors to Automotive Manufacturer Web Sites | April 2003 | comScore Media Metrix |
| Sweden's Top Properties | April 2003 | Nielsen/NetRatings |
| Top General and Financial News Sites, (U.S., Work) | March 2003 | Nielsen//NetRatings |
| Top Online Destinations for Females,February 2003 (Age 18+, U.S., At Home) | March 2003 | Nielsen//NetRatings |
| Top Apparel/Beauty Destinations,Week Ending March 9, 2003(U.S., At Home) | March 2003 | Nielsen//NetRatings |
| Lycos 50 for the week ending March 22, 2003 | March 2003 | Terra Lycos |
| The Buzz Index for the week ending March 23, 2003 | March 2003 | Yahoo |
| Top U.S. Federal Government Brands (U.S., Home and Work) | March 2003 | Nielsen/NetRatings |
| Top 10 Brands, Combined Home & Work | March 2003 | Nielsen/NetRatings |
| Top 10 Parent Companies of February 2003 Combined Home & Work | March 2003 | Nielsen/NetRatings |
| Total Search Hours (in Millions) | March 2003 | Nielsen//NetRatings for SearchEngineWatch.com |
| Global Internet Usage | March 2003 | StatMarket |
| Top 25 Parent Companies Month of January 2003, U.S. at Work | March 2003 | Nielsen//NetRatings |
| Top 25 Parent Companies Month of January 2003, U.S. at Home | March 2003 | Nielsen//NetRatings |
| Top 10 Personals Sites for Week Ending February 2 (U.S., Home) | February 2003 | Nielsen//NetRatings, February 2003 |
| The Buzz Index for the week ending February 8, 2003 | February 2003 | Yahoo |
| Top 10 Fastest Growing News Sites | February 2003 | Nielsen//NetRatings |
| The Buzz Index for the week ending February 2, 2003 | February 2003 | Yahoo |
| Lycos 50 for the week ending February 1, 2003 | February 2003 | Terra Lycos |
| Top 25 Parent Companies Month of December 2002, U.S. at Work | February 2003 | Nielsen//NetRatings |
| Top 25 Parent Companies Month of December 2002, U.S. at Home | February 2003 | Nielsen//NetRatings |
| Top 10 Brands of November 2002 | December 2002 | Nielsen//NetRatings |
| Top 10 Parent Companies of November 2002 | December 2002 | Nielsen//NetRatings |
| U.S. Web's Most Wanted 2002 | December 2002 | TerraLycos |
| Yahoo U.S. Buzz 2002 Leaders | December 2002 | Yahoo |
| Top 20 Gaining Queries Worldwide | December 2002 | Google |
| Top 10 Parent Companies of October 2002 | November 2002 | Nielsen//NetRatings |
| Top 10 Brands of October 2002 | November 2002 | Nielsen//NetRatings |
| Average Internet Usage, October 2002 Home and Work Combined | November 2002 | Nielsen//NetRatings |
| Top 5 Searches by Country | November 2002 | Yahoo |
| US Top 50 Web and Digital Media Properties, September 2002 | October 2002 | Comscore Media Metrix, 9/02 (Home/Work combined) |
| Lycos 50 for the week ending October 5, 2002 | October 2002 | Terra Lycos |
| The Buzz Index for the week ending October 6, 2002 | October 2002 | Yahoo |
| Top 5 Fastest Growing Daily Newspaper and Finance News Sites Week Ending September 22, 2002 (U.S., Work) | October 2002 | Nielsen//NetRatings |
| Top Online Activities, Sept 2002 | September 2002 | Jupiter Research |
| Lycos 50 for the week ending June 29, 2002 | July 2002 | Terra Lycos |
| Lycos 50 for the week ending June 1, 2002 | June 2002 | Terra Lycos |
| Surfer Traffic, May 2001 to May 2002 | May 2002 | StatMarket |
| Procrastinators Hustle to Tax Sites | April 2002 | Nielsen//NetRatings |
| Top Brands for Various Online Categories | April 2002 | Nielsen//NetRatings |
| Top Online Properties of February 2002 | March 2002 | comScore |
| Traffic to NBCOlympics.com | February 2002 | comScore |
| Traffic to Olympic-Related Web Sites | February 2002 | comScore |
| Stickiest Financial Web Sites | February 2002 | Nielsen//NetRatings |
| Most Addictive Web Categories | February 2002 | Nielsen//NetRatings |
| Traffic to Super Bowl-Related Sites | February 2002 | Jupiter Media Metrix |
| Top Online Properties of January 2002 | February 2002 | comScore |
| Top 50 Digital Media/Web Properties of January 2002 | February 2002 | Jupiter Media Metrix |
| Top 25 Web Properties of January 2002 | February 2002 | Nielsen//NetRatings |
| Top 10 Travel Web Sites | February 2002 | comScore |
| Top Valentine's Related Sites by Category | February 2002 | comScore |
| Top 25 U.K. Sites | January 2002 | Jupiter MMXI |
| Top 25 Web Properties of December 2001 | January 2002 | Nielsen//NetRatings |
| Top 50 Digital Media/Web Properties of December 2001 | January 2002 | Jupiter Media Metrix |
| Top 50 Digital Media/Web Properties of November 2001 | December 2001 | Jupiter Media Metrix |
| Top Online Properties of November 2001 | December 2001 | comScore |
| Top 25 Web Properties of November 2001 | December 2001 | Nielsen//NetRatings |
| Top 10 UK At-Work Web Sites | December 2001 | NetValue |
| Top Properties of October 2001 | November 2001 | comScore Networks |
| Top 50 Digital Media/Web Properties of October 2001 | November 2001 | Jupiter Media Matrix |
| Top 25 Web Properties of October 2001 | November 2001 | Nielsen//NetRatings |
| Top Online Properties of September 2001 | October 2001 | comScore/Diameter |
| Top 50 Digital Media/Web Properties of September 2001 | October 2001 | Jupiter Media Metrix |
| Top 25 Web Properties of September 2001 | October 2001 | Nielsen//NetRatings |
| Traffic to Air Travel-Related Web Sites | October 2001 | Nielsen//NetRatings |
| Top U.S. News Sites After 9/11 Attack | September 2001 | Jupiter MMXI |
| Top 50 Digital Media/Web Properties of August 2001 | September 2001 | Jupiter Media Metrix |
| Top 25 Web Properties of August 2001 | September 2001 | Nielsen//NetRatings |
| Top Online Properties of August 2001 | September 2001 | comScore/Diameter |
| Traffic to Banking Sites | August 2001 | Jupiter Media Metrix |
| Top 50 Digital Media/Web Properties of July 2001 | August 2001 | Jupiter Media Metrix |
| Top Domains in the U.K. | August 2001 | Jupiter MMXI |
| Top 50 Properties of July 2001 | August 2001 | netScore |
| Top 25 Web Properties of July 2001 | August 2001 | Nielsen//NetRatings |
| Top Properties of June 2001 | July 2001 | netScore |
| Top Domains in the U.K. | July 2001 | Jupiter MMXI |
| Top Web Sites Visited by Teens | July 2001 | Jupiter Media Metrix |
| Traffic to File-Sharing Sites | July 2001 | Nielsen//NetRatings |
| Users of Napster Application by Country | July 2001 | Jupiter Media Metrix |
| Internet Use by Canadians | July 2001 | Media Metrix Canada |
| Top 25 Web Properties of June 2001 | July 2001 | Nielsen//NetRatings |
| Top 50 Digital Media/Web Properties of June 2001 | July 2001 | Jupiter Media Metrix |
| Top Site Categories Among US At-Work Users | July 2001 | Nielsen//NetRatings |
| Average US At-Work Usage | July 2001 | Nielsen//NetRatings |
| Top E-Commerce Site Launches Since 1999 | July 2001 | Nielsen//NetRatings |
| European Visits to Business/Finance Sites | July 2001 | Jupiter MMXI |
| Top Domains of May 2001 | June 2001 | comScore/Diameter |
| Top 25 Web Properties of May 2001 | June 2001 | Nielsen//NetRatings |
| Top 50 Digital Media/Web Properties of May 2001 | June 2001 | Jupiter Media Metrix |
| Top 14 Properties and Share of Usage Minutes | June 2001 | Jupiter Media Metrix |
| Use of Internet in the Past 30 Days by Country | May 2001 | Ipsos-Reid |
| Top Domains in the UK, April 2001 | May 2001 | Jupiter MMXI |
| Top 50 Digital Media/Web Properties of April 2001 | May 2001 | Jupiter Media Metrix |
| Top 25 Web Properties of April 2001 | May 2001 | Nielsen//NetRatings |
| Top Sites in the UK | April 2001 | Jupiter MMXI |
| Top 50 Web Properties of March 2001 | April 2001 | Diameter/comScore |
| Top Tax-Related Sites | April 2001 | Jupiter Media Metrix |
| Top 25 Web Properties of March 2001 | April 2001 | Nielsen//NetRatings |
| Top 50 Digital Media/Web Properties of March 2001 | April 2001 | Jupiter Media Metrix |
| Visitors to Types of Travel Sites | April 2001 | Jupiter Media Metrix |
| Top Categories Among European Web Surfers | March 2001 | Jupiter MMXI |
| Top Sports Sites | March 2001 | PC Data Online |
| Top Travel Sites | March 2001 | Nielsen//NetRatings Harris Interactive |
| Top Domains in UK | March 2001 | Jupiter MMXI |
| Internet Population/Time Online for European Nations | March 2001 | Jupiter MMXI |
| Top 50 Sites of February 2001 | March 2001 | PC Data Online |
| Top 25 Web Properties of February 2001 | March 2001 | Nielsen//NetRatings |
| Top 50 Digital Media/Web Properties of February 2001 | March 2001 | Jupiter Media Metrix |
| Top Domains in UK, January 2001 | February 2001 | MMXI Europe |
| Top 50 Digital Media/Web Properties of January 2001 | February 2001 | Media Metrix |
| 20 Most Popular Search Terms | February 2001 | Alexa Research |
| Visitors/Players at Gaming Sites | February 2001 | NetValue |
| Traffic to Card and Flower Sites | February 2001 | PC Data Online |
| Top Career-Related Sites | February 2001 | Alexa Research/PC Data Online |
| Top Sites Among Italian Internet Users | February 2001 | Jupiter MMXI |
| Top 50 Digital Media/Web Properties of December 2000 | January 2001 | Media Metrix |
| Top 25 Web Properties of December 2000 | January 2001 | Nielsen//NetRatings |
| December 2000 Internet Usage Stats | January 2001 | Nielsen//NetRatings |
| Top 50 Sites of Dec. 2000 | January 2001 | PC Data Online |
| Holiday Shopping Season Traffic, 1999 vs. 2000 | January 2001 | Media Metrix |
| Top Secure Connection Sites in the UK | January 2001 | NetValue |
| Top 25 Web Properties of November 2000 | December 2000 | Nielsen//NetRatings |
| Top 50 Digital Media/Web Properties of November 2000 | December 2000 | Nielsen//NetRatings |
| Top Sites in UK, November 2000 | December 2000 | MMXI Europe |
| Cities with Most/Least Online Shoppers | December 2000 | Scarborough Research |
| Top 50 Sites of November 2000 | December 2000 | PC Data Online |
| Top Domains in UK | November 2000 | MMXI Europe |
| Top 50 Digital Media/Web Properties of October 2000 | November 2000 | Media Metrix |
| Top 50 Sites of October 2000 | November 2000 | PC Data Online |
| Top 25 Web Properties of October 2000 | November 2000 | Nielsen//NetRatings |
| Top 50 Properties Among Worldwide Users | November 2000 | Media Metrix |
| Top 50 Digital Media/Web Properties of September 2000 | October 2000 | Media Metrix |
| Top 25 Web Properties of September 2000 | October 2000 | Nielsen//NetRatings |
| Top UK Domains of Sept. 2000 | October 2000 | MMXI Europe |
| Top Global Domains in UK, France, Germany and Sweden | October 2000 | MMXI Europe |
| Top 50 Sites of September | October 2000 | PC Data Online |
| Unique Visitors to Music Sites | September 2000 | Media Metrix |
| Top 50 Sites of August 2000 | September 2000 | PC Data Online |
| August 2000 Internet Usage Stats | September 2000 | Nielsen//NetRatings |
| Top 50 Digital Media/Web Properties of August 2000 | September 2000 | Nielsen//NetRatings |
| Top Domains in UK | September 2000 | MMXI Europe |
| Top E-Tailers of August 2000 | September 2000 | PC Data Online |
| July 2000 Internet Usage Stats | August 2000 | Nielsen//NetRatings |
| Top Sports Sites in the UK | August 2000 | MMXI Europe |
| Textbook Sites Used by College Students | August 2000 | Greenfield Online |
| Top Web Properties Among Women 18+ | August 2000 | Media Metrix |
| Top 50 Digital Media/Web Properties of July 2000 | August 2000 | Media Metrix |
| Top 25 Web Properties of July 2000 | August 2000 | Nielsen//NetRatings |
| Top 50 Sites of July 2000 | August 2000 | PC Data Online |
| Top E-Tailers of July 2000 | August 2000 | PC Data Online |
| Top Web Categories by Reach in UK | July 2000 | MMXI Europe |
| Top Domains in UK | July 2000 | MMXI Europe |
| Top 50 Sites of June 2000 | July 2000 | PC Data Online |
| Top Wedding Planning Sites | July 2000 | NPD Group |
| Top 25 Web Properties of June 2000 | July 2000 | Nielsen//NetRatings |
| Top 50 Digital Media/Web Properties | July 2000 | Media Metrix |
| Top 50 Multi-National Sites | June 2000 | Media Metrix |
| Top 50 Digital Media/Web Properties of May 2000 | June 2000 | Media Metrix |
| Top 25 Web Properties of May 2000 | June 2000 | Nielsen//NetRatings |
| Top 15 Web Properties in Canada | June 2000 | Nielsen//NetRatings |
| Growth in Traffic to Music Sites | June 2000 | Nielsen//NetRatings |
| May 2000 Internet Usage Stats | June 2000 | Nielsen//NetRatings |
| Internet Use, US vs. Canada | June 2000 | Nielsen//NetRatings |
| Top Pet Supply Sites | June 2000 | Media Metrix |
| Top E-Tailers of May 2000 | June 2000 | PC Data Online |
| Top 50 Sites of May 2000 | June 2000 | PC Data Online |
| Top 15 Domains in Japan | June 2000 | Media Metrix |
| Top 25 Web Properties of April 2000 | May 2000 | Nielsen//NetRatings |
| Top 50 Digital Media/Web Properties of April 2000 | May 2000 | Media Metrix |
| Top Global Domains in France, UK, and Germany | May 2000 | MMXI Europe |
| Surfing Activity Among Internet Users | May 2000 | Net Value |
| Online Activities by Nation | May 2000 | Net Value |
| Top 50 Digital Media/Web Properties of March 2000 | April 2000 | Media Metrix |
| March 2000 Internet Usage Stats | April 2000 | Nielsen//NetRatings |
| Comparison of Traffic to Top Sites: 3/99 to 3/00 | April 2000 | Media Metrix |
| Top 25 Web Properties of March 2000 | April 2000 | Nielsen//NetRatings |
| Top E-Tailers of March 2000 | April 2000 | PC Data Online |
| Unique Visitors to Tax-Related Sites | April 2000 | Media Metrix |
| Top 50 Sites of March 2000 | April 2000 | PC Data Online |
| Top Sites Among Canadians | March 2000 | PC Data Online |
| Top 25 Web Properties of February 2000 | March 2000 | Nielsen//NetRatings |
| Top 50 DigitalMedia/Web Properties February 2000 | March 2000 | Media Metrix |
| Top 50 Sites and Properties of January 2000 | February 2000 | Media Metrix |
| Top E-Tailers of January 2000 | February 2000 | PC Data Online |
| Top 50 Sites of January 2000 | February 2000 | PC Data Online |
| Top 25 Web Properties of January 2000 | February 2000 | Nielsen//NetRatings |
| January 2000 Internet Usage Stats | February 2000 | Nielsen//NetRatings |
| Number of Wireless Portal Users | February 2000 | The Strategis Group |
| December 1999 Usage Stats | January 2000 | Nielsen//NetRatings |
| Top Web Properties of December 1999 | January 2000 | Nielsen//NetRatings |
| Top Webcasts of November 1999 | January 2000 | Arbitron |
| Top 50 Sites and Properties of December 1999 | January 2000 | Media Metrix |
| Top 50 Sites of December 1999 | January 2000 | PC Data Online |
| Top International Sites Among US Users | January 2000 | Media Metrix |
| Top International Sites Among European Users | January 2000 | Media Metrix |
| Sites with Highest and Lowest Concentration of Women | January 2000 | Media Metrix |
| Top Domains in Europe | January 2000 | MMXI Europe |
| Top E-Commerce Sites of 1999 Holiday Season | January 2000 | Media Metrix |
| Top Search Engine Referrals | December 1999 | StatMarket.com |
| Top 50 Sites and Properties of November 1999 | December 1999 | Media Metrix |
| November 1999 Usage Stats | December 1999 | Nielsen//NetRatings |
| Top 25 Web Properties of November 1999 | December 1999 | Nielsen//NetRatings |
| Top E-Tailers of November 1999 | December 1999 | PC Data Online |
| Top Webcasts of October 1999 | December 1999 | Arbitron |
| Internet Usage in France, Germany, and UK | December 1999 | Media Metrix |
| Top Domains in France, Germany, and UK | December 1999 | Media Metrix |
| Top 50 Web Properties and Sites of October 1999 | November 1999 | Media Metrix |
| Top 25 Web Properties of October 1999 | November 1999 | Nielsen//NetRatings |
| October 1999 Usage Stats | November 1999 | Nielsen//NetRatings |
| Top 50 Sites and Properties of September 1999 | October 1999 | Media Metrix |
| Top 25 Web Properties of September 1999 | October 1999 | Nielsen//NetRatings |
| Top 50 Web Sites of September 1999 | October 1999 | PC Data Online |
| Uses for Online Services | October 1999 | Odyssey |
| Top E-Tailers of August 1999 | September 1999 | PC Data Online |
| Top 50 Web Sites of August 1999 | September 1999 | PC Data Online |
| Top 25 Web Properties of August 1999 | September 1999 | Nielsen//NetRatings |
| Top 50 Sites and Properties of August 1999 | September 1999 | Media Metrix |
| Top 25Web Properties of July 1999 | August 1999 | Nielsen//NetRatings |
| July 1999 Internet Usage Stats | August 1999 | Nielsen//NetRatings |
| Top News Sites of June | July 1999 | PC Data Online |
| Top Shopping Sites of June | July 1999 | PC Data Online |
| Top 50 Sites and Properties of June | July 1999 | Media Metrix |
| June Usage Stats | July 1999 | Nielsen//NetRatings |
| Top 25 Web Properties of June | July 1999 | Nielsen//NetRatings |