The
usage share of web browsers is the percentage
of visitors to a group of
websites that use
a particular
web browser. For example,
when it is said that
Internet
Explorer has 58% usage share, it means that some version of
Internet Explorer is used by 58% of visitors that visit a given set
of sites.
Accuracy
Measuring browser usage in the number of requests (page hits) made
by each
user agent can be misleading.
Overestimation
Not all requests are generated by a user, as a user agent can make
requests at regular time intervals without user input. In this case
the usage of that user agent would then be overestimated. Some
examples:
- A web browser that refreshes the webpage
at a regular time interval.
- A feed reader that requests the RSS or Atom
feed at a regular time interval.
- Extra files like CSS
hacks and JavaScript hacks are often sent
to Internet Explorer.
- Gecko-based browsers (such
as Firefox) can prefetch linked web pages, potentially
increasing hits. Link prefetching in Gecko-based browsers is used
on pages with enhanced markup,
including Google search results.
- A user who revisits a site shortly after changing or upgrading
browsers may be double-counted under some methodologies; overall
numbers at the time of a new version's release may be skewed.
- Certain anti-virus products fake their user-agent to appear to
be popular browsers. This is done to trick attack sites that might
display clean content to the scanner, but not to the browser.
The Register reported in June 2008 that
traffic from AVG Linkscanner, using an IE6 user-agent, outstripped
human link clicks by nearly 10 to 1.
- Many types of software, such as Web validators or crawlers, fetch web pages, and send fictitious
user-agent strings to appear more like normal traffic.
- Browsers such as Safari maintain a dashboard of frequently
visited sites. This generates hits to those sites on browser start
or at times on launch of a new tab, in order to update the
thumbnail images.
Underestimation
It is also possible to underestimate the usage share by using the
number of requests, for example:
- A graphical browser typically results in more hits than a text
browser, as it downloads files referred to by the HTML document (e.g., images, CSS, and JavaScript).
- Many browsers and download
managers spoof a different user agent string to
the web server to prevent erroneous or
malicious browser sniffing which could result in receiving broken
or incompatible code, or being completely blocked, and thus
increasing the statistics for other browsers (as an example, prior
to version 9, the Opera web
browser had "Identify as Internet Explorer" as the default user
setting). Sometimes you can detect these spoofing browsers based on
other things but some people do not do it. (An example is IEMobile
which ships in Windows Mobile 6.1.4 and 6.5 with the default user
agent string as IE6 WinXP but if you look at the other HTTP Headers
you can actually tell it is IEMobile)
- Text-based and audio-based browsers do not download any
web bugs at all.
- Gecko-based browsers since Firefox 1.5 and Opera use fast
Document Object Model (DOM)
caching. JavaScript is only executed on pageload from net or disk
cache, but not if it is loaded from DOM cache. This can have an
impact on JavaScript based tracking of browser statistics.
- Some browser extensions and security programs (such as the
popular Firefox extension NoScript) block javascript, flash,
applets and some forms of HTML (HTML blocked through ClearClick)
for non-whitelisted sites. This may also affect JavaScript based
tracking of browser statistics.
- Many browsers accessing a site via one proxy are apt to be
counted as only one access if the proxy caches the result; it is
usual for browsers on mobile phones in particular to access the web
via proxies (many of which violate HTTP's specifications for
proxies; even if a web bug is designed to work despite proxying,
the proxies run by mobile operators may well mislead it).
- While most browsers generate
additional page hits by refreshing web pages when user navigates
back through page history, some browsers (such as Opera) reuse cached content without
resending requests to server.
- Generally, the more faithfully a browser implements HTTP's
cache specifications, the more it shall be under-reported relative
to browsers which implement those specifications poorly.
- Many plug-ins can change (generally append strings to) the User
Agent. This can lead to Browser Detection flaws.
- User Agents are not guaranteed to be a certain format. As an
example of the inconsistency almost every User Agent pretends to be
Mozilla 5.0.
- Some ISPs mainly mobile phone ISPs have begun stripping the
user agent strings
Summary Table
Note that
AT Internet Institute value applies only to
Europe. Therefore it is not included in the monthly summary
calculations.
Historical Usage Share
TheCounter.com (2000 to present)
.gif/320px-Usage_share_of_web_browsers_from_2000_to_2009_(Source_TheCounter.com).gif)
Usage share of web browsers history
from 2000 to 2009 according to
TheCounter.com.
TheCounter.com identifies sixteen versions of six browsers
(Internet Explorer, Firefox, Safari, Opera, Netscape, and
Konqueror). Other browsers are categorised as either ‘Netscape
compatible’ (including Google Chrome, which may also be categorized
as 'Safari' due to its 'Webkit' subtag) or ‘unknown’. Internet
Explorer 8 is identified as Internet Explorer 7. Monthly data
includes all hits from 2008-02-01 until the end of the month
concerned. More than the exact browser type, this data identifies
the underlying web rendering engine used by various browsers, and
the table below aggregates them in the same column.
Global usage share data from TheCounter.com
(Global statistics)
Period
|
Internet
Explorer
|
Netscape /
Mozilla /
Firefox |
Safari
|
Opera
|
Netscape
Navigator
|
Sources
|
| 2009
Q3 |
69.07 % |
20.59 % |
8.10 % |
0.89 % |
0.06 % |
Jul, Aug, Sep |
| 2009
Q2 |
70.31 % |
20.12 % |
6.44 % |
0.94 % |
0.06 % |
Apr, May, Jun |
| 2009
Q1 |
71.25 % |
20.01 % |
5.47 % |
0.92 % |
0.08 % |
Jan, Feb, Mar |
| 2008
Q4 |
74.24 % |
18.66 % |
4.52 % |
0.89 % |
0.07 % |
Oct, Nov, Dec |
| 2008
Q3 |
76.33 % |
17.97 % |
3.76 % |
0.84 % |
0.07 % |
Jul, Aug, Sep |
| 2008
Q2 |
78.30 % |
16.36 % |
3.41 % |
0.81 % |
0.06 % |
Apr, May, Jun |
| 2008
Q1 |
78.80 % |
15.87 % |
3.32 % |
0.79 % |
0.06 % |
Jan, Feb, Mar |
| 2007
Q4 |
81.14 % |
13.81 % |
3.21 % |
0.67 % |
0.06 % |
Oct, Nov, Dec |
| 2007
Q3 |
81.63 % |
13.49 % |
3.00 % |
0.66 % |
0.06 % |
Jul, Aug, Sep |
| 2007
Q2 |
82.97 % |
12.41 % |
2.87 % |
0.64 % |
0.06 % |
Apr, May, Jun |
| 2007
Q1 |
83.69 % |
11.57 % |
2.92 % |
0.57 % |
0.06 % |
Jan, Feb, Mar |
| 2006
Q4 |
84.11 % |
11.13 % |
2.80 % |
0.60 % |
0.05 % |
Nov, Dec |
| 2006
Q3 |
84.48 % |
10.56 % |
2.27 % |
0.73 % |
0.06 % |
Jul, Aug, Sep |
| 2006
Q2 |
86.32 % |
9.03 % |
1.89 % |
0.70 % |
0.05 % |
Apr, May, Jun |
| 2006
Q1 |
90.01 % |
6.77 % |
1.40 % |
0.58 % |
0.05 % |
Jan, Feb, Mar |
| 2005
Q4 |
87.25 % |
8.60 % |
1.83 % |
0.71 % |
0.07 % |
Oct, Nov, Dec |
| 2005
Q3 |
87.58 % |
8.42 % |
1.60 % |
0.67 % |
0.07 % |
Jul, Aug, Sep |
| 2005
Q2 |
90.90 % |
6.02 % |
0.99 % |
0.51 % |
0.09 % |
Apr, May, Jun |
| 2005
Q1 |
90.77 % |
5.73 % |
1.00 % |
0.54 % |
0.11 % |
Jan, Feb, Mar |
| 2004
Q4 |
90.98 % |
5.10 % |
0.77 % |
0.68 % |
0.18 % |
Oct, Nov, Dec |
| 2004
Q3 |
92.70 % |
3.57 % |
0.73 % |
0.65 % |
0.20 % |
Jul, Aug, Sep |
| 2004
Q2 |
95.04 % |
2.37 % |
0.67 % |
0.51 % |
0.32 % |
Apr, May, Jun |
| 2004
Q1 |
94.28 % |
2.70 % |
|
0.52 % |
0.36 % |
Jan, Feb, Mar |
| 2003
Q4 |
|
|
|
|
|
Oct, Nov, Dec |
| 2003
Q3 |
|
|
|
|
|
Jul, Aug, Sep |
| 2003
Q2 |
94.43 % |
2.22 % |
|
0.66 % |
1.45 % |
Apr, May, Jun |
| 2003
Q1 |
94.18 % |
2.15 % |
|
0.65 % |
1.77 % |
Jan, Feb, Mar |
| 2002
Q4 |
93.94 % |
1.67 % |
|
0.83 % |
2.31 % |
Oct, Nov, Dec |
| 2002
Q3 |
93.32 % |
1.36 % |
|
0.94 % |
3.04 % |
Jul, Aug, Sep |
| 2002
Q2 |
92.47 % |
1.13 % |
|
0.82 % |
4.13 % |
Apr, May, Jun |
| 2002
Q1 |
92.40 % |
0.93 % |
|
0.52 % |
4.67 % |
Jan, Feb, Mar |
| 2001
Q4 |
90.83 % |
0.71 % |
|
0.36 % |
5.23 % |
Oct, Nov, Dec |
| 2001
Q3 |
88.43 % |
0.26 % |
|
0.31 % |
6.49 % |
Jul, Aug, Sep |
| 2001
Q2 |
87.99 % |
0.27 % |
|
0.28 % |
7.46 % |
Apr, May, Jun |
| 2001
Q1 |
86.80 % |
0.30 % |
|
0.22 % |
9.84 % |
Jan, Feb, Mar |
| 2000
Q4 |
83.95 % |
0.14 % |
|
0.14 % |
12.61 % |
Oct, Nov, Dec |
| 2000
Q3 |
82.76 % |
0.04 % |
|
0.14 % |
14.35 % |
Jul, Aug, Sep |
| 2000
Q2 |
80.30 % |
0.02 % |
|
0.12 % |
17.54 % |
Apr, May, Jun |
| 2000
Q1 |
79.09 % |
0.00 % |
|
0.13 % |
19.25 % |
Jan, Feb, Mar |
OneStat.com (2002 to present)
Net Applications (2004 to present)
Usage share of web browsers history according to Net
Applications
On 2009-08-01, Net Applications began weighting its raw data based
on the number of internet users in the countries concerned, using
data from the
CIA ; the changes were applied
retroactively to older data. The table below uses weighted data
from 2007 Q4 onwards (the unweighted data, without applying these
retroactive changes, are marked with an asterisk).
Global usage share data from: Net Applications
Period
|
Internet
Explorer
|
Firefox
|
Safari
|
Chrome
|
Opera
|
Netscape
|
Mozilla
|
| 2009 Q4 |
64.14 % |
24.39 % |
4.39 % |
3.75 % |
2.24 % |
0.31 % |
0.11 % |
| 2009 Q3 |
66.80 % |
23.06 % |
4.13 % |
2.86 % |
2.07 % |
0.50 % |
0.09 % |
| 2009 Q2 |
68.06 % |
23.00 % |
3.67 % |
2.13 % |
2.05 % |
0.68 % |
0.06 % |
| 2009 Q1 |
69.13 % |
22.67 % |
3.58 % |
1.56 % |
2.18 % |
0.51 % |
0.06 % |
| 2008 Q4 |
71.99 % |
20.78 % |
3.11 % |
1.16 % |
2.15 % |
0.41 % |
0.07 % |
| 2008 Q3 |
74.93 % |
19.07 % |
2.73 % |
0.37 % |
2.06 % |
0.43 % |
0.07 % |
| 2008 Q2 |
76.24 % |
18.16 % |
2.73 % |
|
1.97 % |
0.48 % |
0.08 % |
| 2008 Q1 |
77.83 % |
16.86 % |
2.65 % |
|
1.84 % |
0.41 % |
0.13 % |
| 2007 Q4 |
79.16 % |
15.84 % |
2.39 % |
|
1.78 % |
0.50 % |
0.09 % |
| 2007 Q3 * |
78.85 % |
14.69 % |
4.80 % |
|
0.51 % |
0.76 % |
0.11 % |
| 2007 Q2 * |
78.76 % |
14.92 % |
4.66 % |
|
0.46 % |
0.83 % |
0.15 % |
| 2007 Q1 * |
79.38 % |
14.35 % |
4.70 % |
|
0.50 % |
0.77 % |
0.19 % |
| 2006 Q4 * |
80.69 % |
13.50 % |
4.06 % |
|
0.56 % |
0.86 % |
0.23 % |
| 2006 Q3 * |
82.88 % |
11.89 % |
3.30 % |
|
0.62 % |
0.88 % |
0.26 % |
| 2006 Q2 * |
84.03 % |
10.67 % |
3.25 % |
|
0.57 % |
0.98 % |
0.32 % |
| 2006 Q1 * |
85.01 % |
9.77 % |
3.10 % |
|
0.53 % |
1.09 % |
0.36 % |
| 2005 Q4 * |
85.88 % |
9.00 % |
2.80 % |
|
0.54 % |
1.25 % |
0.43 % |
| 2005 Q3 * |
86.74 % |
7.97 % |
2.24 % |
|
0.55 % |
1.92 % |
0.48 % |
| 2005 Q2 * |
87.24 % |
8.08 % |
1.89 % |
|
0.52 % |
1.62 % |
0.59 % |
| 2005 Q1 * |
89.02 % |
6.17 % |
1.70 % |
|
0.49 % |
1.89 % |
0.67 % |
| 2004 Q4 * |
91.35 % |
3.66 % |
1.50 % |
|
0.51 % |
2.09 % |
0.80 % |
ADTECH (Europe, 2004 to present)
W3 Counter (2007 to present)
Note:
W3 Counter only lists the top 10 browsers by
version. This is one of the reasons why Opera fluctuates between
0.7% and 1.2% in the table below, as some versions only make it
into the top 10 occasionally. This site counts the last 25,000 page
views from each site making relatively small sites contribute a lot
more to the statistics than in an overall count.
As of October 31, 2009 uncategorised browsers are at 7.12%.
Global Web Stats from W3
Counter (Top 10 web browser versions)
Date
|
Internet
Explorer
|
Firefox
|
Safari
|
Chrome
|
Opera
|
Mozilla
|
|
2009-10-31 October 31, 2009 |
51.22 % |
31.89 % |
4.37 % |
3.90 % |
1.5 % |
|
|
2009-09-30 September 30, 2009 |
51.73 % |
31.69 % |
4.07 % |
3.69 % |
0.84 % |
|
|
2009-08-31 August 31, 2009 |
52.36 % |
31.86 % |
4.35 % |
3.23 % |
1.19 % |
|
|
2009-07-31 July 31, 2009 |
52.93 % |
31.40 % |
3.11 % |
3.11 % |
1.18 % |
1.10 % |
|
2009-06-30 June 30, 2009 |
56.92 % |
31.27 % |
2.12 % |
(N/A) |
(N/A) |
0.64 % |
|
2009-05-31 May 31, 2009 |
57.40 % |
31.04 % |
2.19 % |
0.57 % |
(N/A) |
(N/A) |
|
2009-04-30 April 30, 2009 |
57.42 % |
31.22 % |
1.69 % |
|
0.57 % |
0.58 % |
|
2009-03-31 March 31, 2009 |
57.63 % |
31.07 % |
1.76 % |
|
0.59 % |
0.62 % |
|
2009-02-28 February 28, 2009 |
57.56 % |
30.92 % |
1.91 % |
|
1.16 % |
0.60 % |
|
2009-01-31 January 31, 2009 |
57.90 % |
30.70 % |
2.44 % |
|
0.67 % |
0.56 % |
|
2008-12-31 December 31, 2008 |
58.08 % |
30.71 % |
2.58 % |
|
0.71 % |
0.51 % |
|
2008-11-30 November 30, 2008 |
58.57 % |
30.40 % |
2.70 % |
|
1.23 % |
(N/A) |
|
2008-10-31 October 31, 2008 |
59.05 % |
30.13 % |
2.77 % |
|
1.36 % |
(N/A) |
|
2008-09-30 September 30, 2008 |
57.03 % |
32.07 % |
2.51 % |
|
1.56 % |
(N/A) |
|
2008-08-31 August 31, 2008 |
58.46 % |
31.40 % |
1.80 % |
|
1.55 % |
(N/A) |
|
2008-07-31 July 31, 2008 |
60.65 % |
29.68 % |
1.90 % |
|
1.08 % |
0.58 % |
|
2008-06-30 June 30, 2008 |
61.43 % |
29.02 % |
2.02 % |
|
1.13 % |
0.60 % |
|
2008-05-31 May 31, 2008 |
61.56 % |
28.86 % |
2.16 % |
|
1.15 % |
0.62 % |
|
2008-04-30 April 30, 2008 |
61.66 % |
28.79 % |
2.31 % |
|
1.14 % |
0.58 % |
|
2008-03-31 March 31, 2008 |
61.66 % |
28.39 % |
2.50 % |
|
1.11 % |
0.61 % |
|
2008-02-29 February 29, 2008 |
61.67 % |
28.38 % |
2.54 % |
|
1.07 % |
0.65 % |
|
2008-01-31 January 31, 2008 |
61.79 % |
28.39 % |
2.42 % |
|
1.02 % |
0.52 % |
|
2007-12-01 December 1, 2007 |
62.36 % |
27.77 % |
1.84 % |
|
1.41 % |
0.56 % |
|
2007-11-10 November 10, 2007 |
62.55 % |
27.56 % |
1.95 % |
|
1.39 % |
0.59 % |
|
2007-10-30 October 30, 2007 |
62.41 % |
27.70 % |
1.99 % |
|
1.35 % |
0.60 % |
|
2007-09-20 September 20, 2007 |
66.22 % |
25.45 % |
1.76 % |
|
1.22 % |
0.61 % |
|
2007-08-30 August 30, 2007 |
66.20 % |
25.43 % |
1.76 % |
|
1.22 % |
0.61 % |
|
2007-07-30 July 30, 2007 |
66.41 % |
25.11 % |
1.75 % |
|
1.16 % |
0.65 % |
|
2007-06-30 June 30, 2007 |
66.20 % |
25.08 % |
1.81 % |
|
0.69 % |
0.71 % |
|
2007-05-30 May 30, 2007 |
66.69 % |
24.55 % |
1.85 % |
|
1.22 % |
0.73 % |
AT Internet Institute (Europe, 2007 to present)
AT Internet Institute was formerly known as
XiTi.
Europe usage share data from AT Internet
Institute (Browsers barometer)
| Date |
Internet
Explorer |
Netscape |
Firefox |
Opera |
Safari |
Chrome |
Source |
| September 2009 |
62.0% |
N/A |
28.4% |
2.2% |
4.3% |
2.8% |
2009-11 |
| April 2009 |
63.6% |
0.6% |
28.4% |
2.2% |
3.4% |
1.7% |
2009-5 |
| March 2009 |
64.6% |
0.6% |
27.8% |
2.2% |
3.3% |
1.4% |
| February 2009 |
65.6% |
0.5% |
27.4% |
2.1% |
3.0% |
1.3% |
| January 2009 |
58.1% |
0.6% |
32.5% |
4.1% |
3.0% |
1.5% |
2009-1 |
| December 2008 |
58.5% |
0.6% |
32.3% |
4.5% |
2.7% |
1.3% |
| November 2008 |
59.5% |
0.6% |
31.1% |
5.1% |
2.5% |
1.1% |
2008-12-22 |
| October 2008 |
59.2% |
0.6% |
31.1% |
5.4% |
2.4% |
1.1% |
| September 2008 |
60.2% |
0.4% |
31.2% |
4.8% |
2.4% |
1.0% |
2008-10-10 |
| August 2008 |
59.4% |
0.3% |
33.0% |
4.5% |
2.6% |
|
| July 2008 |
60.4% |
0.3% |
32.2% |
4.5% |
2.4% |
|
| June 2008 |
60.5% |
0.3% |
31.4% |
5.1% |
2.5% |
|
| May 2008 |
61.7% |
0.4% |
30.7% |
4.7% |
2.4% |
|
| April 2008 |
64.5% |
0.5% |
28.9% |
3.6% |
2.4% |
|
| March 2008 |
65.0% |
0.5% |
28.8% |
3.3% |
2.3% |
|
2008-04-30 |
| February 2008 |
65.6% |
0.5% |
28.5% |
3.2% |
2.2% |
|
| January 2008 |
66.1% |
0.5% |
28.0% |
3.2% |
2.1% |
|
| December 2007 |
66.1% |
0.5% |
28.0% |
3.3% |
2.0% |
|
| November 2007 |
66.9% |
0.5% |
27.3% |
3.2% |
1.9% |
|
| October 2007 |
67.5% |
0.4% |
27.0% |
3.1% |
1.8% |
|
| September 2007 |
66.6% |
0.3% |
27.7% |
3.4% |
1.8% |
|
2007-10-30 |
| July 2-8, 2007 |
66.5% |
0.3% |
27.8% |
3.5% |
1.7% |
|
2007-07-18 |
StatCounter (2008 to present)
Mail.ru (Russia, 2009 to present)
Older reports
WebSideStory (USA, 1999 to 2006)
USA usage share data from: WebSideStory
| Date |
Internet
Explorer |
Netscape / Mozilla |
Firefox |
Source |
| June 2006 |
86.64% |
|
9.95% |
July 19, 2006 |
| January 5, 2006 |
87.63% |
|
8.88% |
Jan. 12, 2006 |
| November 4, 2005 |
88.16% |
1.61% |
8.13% |
November 10, 2005 |
| September 23, 2005 |
88.46% |
1.69% |
7.86% |
September 27, 2005 |
| April 29, 2005 |
88.86% |
2.23% |
6.75% |
May 10, 2005 |
| February 18, 2005 |
89.85% |
2.47% |
5.69% |
Feb. 28, 2005 |
| January 14, 2005 |
90.28% |
2.64% |
4.95% |
| December 3, 2004 |
91.80% |
2.83% |
4.06% |
| November 5, 2004 |
92.89% |
2.95% |
3.03% |
| October 8, 2004 |
93.21% |
3.05% |
2.66% |
December 13, 2004 |
| June 4, 2004 |
95.48% |
3.53% |
|
| August 26, 2002 |
95.97% |
3.39% |
|
August 28, 2002 |
| October 25, 2001 |
89.03% |
10.47% |
|
October 31, 2001 |
| April 25, 2001 |
86.61% |
13.10% |
|
May 1, 2001 |
| February 21, 2001 |
87.71% |
12.01% |
|
February 22, 2001 |
| June 18, 2000 |
86.08% |
13.90% |
|
| August 2, 1999 |
75.31% |
24.68% |
|
August 9, 1999 |
| April 6, 1999 |
68.75% |
29.46% |
|
April 7, 1999 |
| March 1, 1999 |
66.90% |
31.21% |
|
March 2, 1999 |
| February 8, 1999 |
64.60% |
33.43% |
|
February 22, 2001 |
GVU WWW User Survey (1994 to 1998)
EWS Web Server at UIUC (1996 to 1998)
Usage share data from: EWS
Web Server at UIUC
| Date |
Mosaic |
Internet Explorer |
Netscape Navigator |
Source |
| 1998 Q4 |
|
50.43% |
46.87% |
Oct 1998, Nov 1998, Dec 1998 |
| 1998 Q3 |
|
47.90% |
48.97% |
Jul 1998, Aug 1998, Sep 1998 |
| 1998 Q2 |
|
43.17% |
53.57% |
Apr 1998, May 1998, Jun 1998 |
| 1998 Q1 |
|
39.67% |
57.63% |
Jan 1998, Feb 1998, Mar 1998 |
| 1997 Q4 |
|
35.53% |
62.23% |
Oct 1997, Nov 1997, Dec 1997 |
| 1997 Q3 |
|
32.40% |
64.93% |
Jul 1997, Aug 1997, Sep 1997 |
| 1997 Q2 |
0.37% |
27.67% |
69.77% |
Apr 1997, May 1997, Jun 1997 |
| 1997 Q1 |
0.60% |
22.87% |
74.33% |
Jan 1997, Feb 1997, Mar 1997 |
| 1996 Q4 |
1.20% |
19.07% |
77.13% |
Oct 1996, Nov 1996, Dec 1996 |
| 1996 Q3 |
2.47% |
13.97% |
80.37% |
Jul 1996, Aug 1996, Sep 1996 |
| 1996 Q2 |
6.93% |
9.60% |
82.77% |
Apr 1996, May 1996, Jun 1996 |
ZD Market Intelligence (USA, 1997 to 1998)
Zona Research (USA, 1997 to 1998)
AdKnowledge (1998)
Dataquest (1995 to 1997)
International Data Corporation (USA, 1996 to 1997)
See also
References
-
https://developer.mozilla.org/en/docs/Using_Firefox_1.5_caching
External links
- Chuck Upsdell's Browser Stats lists web stats from
many different stats sources and gives the approximate current
usage share of the most popular layout engines.
- Clicky Web Analytics lists data from over
eighty thousand unique web sites
- StatCounter Global Stats tracks the market share of
search engines, browsers and operating systems including mobile
from over 4 billion monthly page views.
- W3Schools' Browser Statistics lists the web
stats only from the W3 Schools site, which gives the approximate
usage share of browsers among "people with an interest for web
technologies."
.svg/320px-Usage_share_of_web_browsers_(Source_Net_Applications).svg)
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