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Usage share of web browsers

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File:Layout engine usage share.png
A rough estimation of usage share of layout engines/web browsers

The article aims to be an unbiased historial record for the usage share of web browsers (but ideally layout engines, as it is what matters), based on statistics and articles published by well-known websites. One of the use of such statistics is to create a graph that roughly represents the browser wars. This also serves as a reference for the various web browser articles.

This article is not all-inclusive or necessarily up-to-date. It should be noted that while the record was achieved unbiased, the record itselfs may not totally reflect the fact, i.e. there may be certain degrees of overestimation and underestimation. It also does not account for the regional differences in market share. For example, in the United States, Internet Explorer is still dominating the market with a share of almost 85%, while this margin is generally lower in European countries.

1999 and earlier

GVU WWW User Survey

Usage share data from: GVU WWW User Survey
Date Mosaic Netscape Navigator Internet Explorer Source
January 1994 97% General Results Graphs
October 1994 68% 18% Result Graph - Browser
April 1996 89.36% 3.76% Browser Expected to Use in 12 Months
October 1996 80.45% 12.18% Browser Expected to Use in 12 Months
April 1997 81.13% 12.13% Browser Expected to Use in 12 Months
October 1997 59.67% 15.13% Browser Expected to Use in 12 Months
April 1998 70% 22.7% Browser Expected to Use in 12 Months
October 1998 64% 32.2% Primary Browser in 12 Months

AdKnowledge

Usage share data from: AdKnowledge
Date Internet Explorer Netscape Navigator Source
January 1998 36% 61% Behind the numbers: Browser market share
March 1998 42% 57%
June 1998 46% 52%

International Data Corporation

Usage share data from: International Data Corporation
Date Internet Explorer Netscape Navigator Source
1996 16% 55% Behind the numbers: Browser market share
1997 23% 51%

ZD Market Intelligence

Usage share data from: ZD Market Intelligence
Date Internet Explorer Netscape Navigator Source
January 1997 21% 63% Behind the numbers: Browser market share
January 1998 39% 54%

Zona Research

Usage share data from: ZD Market Intelligence
Date Internet Explorer Netscape Navigator Source
January 1997 28% 70% Behind the numbers: Browser market share
September 1998 36% 62%
July 1999 45% 54%

2000 to present

WebSideStory.com

USA usage share data from: WebSideStory.com
Date Internet Explorer Mozilla/Netscape Mozilla Firefox Source
February 1, 1999 64.60% 33.43% Explorer Dominates Brower Market, Netscape Dwindles
March 1, 1999 66.90% 31.21% Microsoft Takes a Two-To-One Lead In Browser War
April 6, 1999 68.75% 29.46% Microsoft Increases Lead in Browser War and Gains Momentum in Key Web Categories
August 2, 1999 75.31% 24.68% WebSideStory's StatMarket.com Reports Browser War All But Over
June 18, 2000 86.08% 13.92% Explorer Dominates Brower Market, Netscape Dwindles
February 21, 2001 87.71% 12.01%
April 25, 2001 86.61% 13.10% Netscape's Browser Share Would Rise to 20 Percent Worldwide if AOL Converted Its Customers to Netscape
August 29, 2001 87% 13% Data shows Netscape browser usage down to just 3.4%
October 25, 2001 89.03% 10.47% Microsoft and Opera Browsers More Popular Among Swedes Than Rest of World
August 26, 2002 96% 3.4% The Incredible Shrinking Browser – Netscape Share Less Than 4% Worldwide, According to WebSideStory's StatMarket
June 4, 2004 95.48% 3.53% Firefox's Share of Browser Market Grows 34 Percent in One Month, According to WebSideStory
October 8, 2004 93.21% 3.05% 2.66%
November 5, 2004 92.89% 2.95% 3.03% WebSideStory: Firefox Gains Beginning to Slow
December 3, 2004 91.80% 2.83% 4.06%
January 14, 2005 90.28% 2.64% 4.95%
February 18, 2005 89.85% 2.47% 5.69%
April 29, 2005 88.86% 2.23% 6.75% Firefox's Market Share Nears 7 Percent

OneStat.com

Global usage share data from OneStat.com
Date Internet Explorer Netscape Mozilla Mozilla Firefox Opera Safari Source
April 29, 2002 96.6% 2.1% 0.4% 2002-04-29
July 21, 2002 95.1% 1.9% 0.6% 2002-07-21
September 30, 2002 93.9% 1.2% 0.8% 0.8% 2002-09-30
December 16, 2002 93.7% 1.1% 1.1% 0.8% 2002-12-16
February 3, 2003 94.3% 1.0% 1.2% 0.7% 2003-02-03
July 28, 2003 94.3% 0.6% 1.6% 0.6% 2003-07-28
January 19, 2004 94.4% 1.8% 0.8% 0.48% 2004-01-19
May 28, 2004 93.6% 2.1% 1.02% 0.71% 2004-05-28
November 22, 2004 88.79% 2.77% 4.58% 1.29% 2004-11-22
February 28, 2005 87.28% 1.11% 8.45% 1.09% 1.21% 2005-02-28
April 27, 2005 86.63% 1.08% 8.69% 1.03% 1.26% 2005-04-27

Net Applications

Usage share data from: Net Applications
Date Internet Explorer Netscape Mozilla Mozilla Firefox Konqueror Safari Opera Source
June 2004 90.29% 6.65% 0.05% 2.28% 0.64% June, 2004
July 2004 89.97% 5.76% 0.85% 0.09% 2.48% 0.76% July, 2004
August 2004 90.66% 3.64% 2.37% 0.11% 2.43% 0.75% August, 2004
September 2004 89.69% 3.64% 0.50% 2.50% 0.12% 2.68% 0.77% September, 2004
October 2004 88.62% 2.74% 1.35% 3.50% 0.03% 2.89% 0.75% October, 2004
November 2004 87.66% 2.88% 1.17% 4.64% 0.04% 2.79% 0.72% November, 2004
December 2004 86.89% 0.85% 6.03% 0.05% 2.66% 0.77% December, 2004
January 2004 86.06% 2.52% 0.84% 6.97% 0.03% 2.73% 0.75% January, 2004
February 2004 84.50% 2.72% 0.72% 8.37% 0.02% 2.87% 0.67% February, 2004
March 2004 83.73% 2.44% 0.75% 9.08% 0.09% 3.21% 0.67% March, 2004
April 2005 83.79% 2.43% 0.67% 9.01% 0.01% 3.37% 0.64% April, 2005
May 2005 85.10% 1.76% 0.59% 9.85% 0.01% 1.90% 0.71% May, 2005
June 2005 84.46% 1.88% 0.61% 10.62% 0.02% 1.62% 0.76% June, 2005

TheCounter.com

Usage share data from: TheCounter.com Global Statistics
Date Internet Explorer Mozilla/Netscape Safari Opera Source
January 2005 89% 1% 0% 1% TheCounter.com January 2005 Global Browser Stats
February 2005 90.66% 5.82% 1.01% 0.57% TheCounter.com February 2005 Global Browser Stats
March 2005 90.85% 5.85% 1.00% 0.52% TheCounter.com March 2005 Global Browser Stats
April 2005 91.20% 5.80% 0.95% 0.51% TheCounter.com April 2005 Global Browser Stats
May 2005 90.90% 6.12% 1.01% 0.51% TheCounter.com May 2005 Global Browser Stats
June 2005 90.59% 6.42% 1.01% 0.53% TheCounter.com June 2005 Global Browser Stats

Janco Associates Inc.

Usage share data from: Janco Associates Inc.
Date Internet Explorer Netscape Mozilla Mozilla Firefox AOL MSN Explorer Opera Source
January 2005 84.85% 3.03% 4.48% 4.23% 2.20% 0.58% 0.34% Browser Market Share Study
April 2005 83.07% 0.92% 3.81% 10.25% 0.85% 0.67% 0.41%

See also

Category: