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The usage share of web browsers is the proportion, often expressed as a percentage, of visitors to a group of web sites that use a particular web browser. Web browser usage share varies from region to region as well as through time. Depending on how "usage share" is defined, the results can vary greatly. In particular, page views versus unique visits will produce different results.
Contents
- Accuracy
- Overestimation
- Underestimation
- User agent spoofing
- Differences in measurement
- Summary tables
- Crossover to smartphones having majority share
- StatCounter July 2008 to 2015
- Desktop and mobile browser usage
- W3Counter May 2007 to April 2016
- Net Applications 2004 Q4 to 2015 Q1
- Wikimedia April 2009 to March 2015
- StatOwlcom September 2008 to November 2012
- AT Internet Institute Europe July 2007 to June 2010
- TheCountercom 2000 to 2009
- Reports from before year 2000
- References
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 user's activity might be overestimated. Some examples:
Underestimation
It is also possible to underestimate the usage share by using the number of requests, for example:
User agent spoofing
Websites often include code to detect browser version to adjust the page design sent according to the user agent string received. This may mean that less-popular browsers are not sent complex content (even though they might be able to deal with it correctly) or, in extreme cases, refused all content. Thus, various browsers have a feature to cloak or spoof their identification to force certain server-side content.
Differences in measurement
Net Applications, in their NetMarketShare report, uses unique visitors to measure web usage. This has the effect that users visiting a site ten times will only be counted once by these sources, while they are counted ten times by statistics companies that measure page hits.
To supplement statistics from their unique visitors measurements Net Applications uses country-level weighting. The goal of weighting countries based on their usage is to combat selection area based sampling bias caused by discrepancies in the percentage of tracked hits in the sample and the percentage of global usage documented by third party sources caused by the heavier levels of market usage.
Statistics from the United States government's Digital Analytics Program (DAP) clearly do not represent world-wide usage patterns, although at least one expert considers it the most reliable US data source. DAP uses raw data from a unified Google Analytics account.
Summary tables
According to StatCounter, as of January 2016, Chrome is not only the most popular browser on phones (or phones plus tablets) (while for tablet only browsing, Safari on iPad has 61.13% share, followed by Chrome, that inherited its engine and web standard support; Safari is not available for Android); when counting across all platforms, Chrome is also the most popular and if only desktop platforms are counted, it has more than half of that market. No desktop browser has had a clear majority for a long time, since Internet Explorer lost it and Netscape before it. Other statistics/analysts show similar numbers.
The following tables summarize the usage share of all browsers for the indicated months. For the "all browsers" stats, since all Apple Inc.'s platforms use the Safari browser, including macOS and iOS systems with the WebKit engine, therefore Safari's percentage is counting all these users.
Note†: Percentages are found by only looking at the "Browsers, non mobile" list.
Crossover to smartphones having majority share
According to StatCounter web use statistics (a proxy for all use), in the week from 7–13 November 2016, "mobile" (meaning smartphones) alone (without tablets) overtook desktop for the first time and by the end of the year smartphones has majority. Since 27 October, the desktop hasn't shown a majority, even on weekdays.
Previously according to StatCounter press release, the world has turned desktop-minority; as of October 2016, at about 49% desktop use for that month. The two biggest continents, Asia and Africa, have been mobile-majority for a while. A few countries in Europe and South America have also followed this trend of being mobile-majority.
In March 2015, for the first time in the US the number of mobile-only adult internet users exceeded the number of desktop-only internet users with 11.6% of the digital population only using mobile compared to 10.6% only using desktop; this also means the majority, 78%, use both desktop and mobile to access the internet.
StatCounter (July 2008 to 2015)
StatCounter statistics are directly derived from hits (not unique visitors) from 3 million sites using StatCounter totaling more than 15 billion hits per month. No weightings are used.
Desktop and mobile browser usage
StatCounter reports desktop (including laptop) and mobile browser share separately. For consistency, each desktop browser share has been reduced by multiplying it by the current overall desktop share versus mobile. Similarly, mobile browser shares have each been multiplied by the overall mobile percentage. This avoids having greater than 100% usage share when combining mobile and desktop.
W3Counter (May 2007 to April 2016)
This site counts the last 15,000 page views from each of approximately 80,000 websites. This limits the influence of sites with more than 15,000 monthly visitors on the usage statistics. W3Counter is not affiliated with the World Wide Web Consortium (W3C).
Net Applications (2004 Q4 to 2015 Q1)
Net Applications bases its usage share on statistics from 40,000 websites having around 160 million unique visitors per month. The mean site has 1300 unique visitors per day.
On 1 August 2009, Net Applications began weighing 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, starting with November 2007. Quarterly data prior to Q1 2008, is reported with a different methodology compared to quarterly data starting with Q1 2008, so combining these data sets and/or using them as the basis for identifying historical trends could result in flawed information.
*Net Applications no longer reports data prior to November 2007 because of this change in methodology.
Note: * indicates data generated prior to Net Applications' November 2007 change in methodology. See note above.
Wikimedia (April 2009 to March 2015)
Wikimedia traffic analysis reports are based on server logs of about 4 billion page requests per month, based on the user agent information that accompanied the requests. These server logs cover requests to all the Wikimedia Foundation projects, including Wikipedia, Wikimedia Commons, Wiktionary, Wikibooks, Wikiquote, Wikisource, Wikinews, Wikiversity and others.
Note†: Wikimedia has recently had a large percentage of unrecognised browsers, previously counted as Firefox, that are now assumed to be Internet Explorer 11 fixed in the February 2014 and later numbers. And February 2014 numbers include mobile for Internet Explorer and Firefox (not included in Android). Chrome does not include the mobile numbers (Android does).
StatOwl.com (September 2008 to November 2012)
92% of sites monitored by StatOwl serve predominantly United States market.
AT Internet Institute (Europe, July 2007 to June 2010)
AT Internet Institute was formerly known as XiTi.
Method: Only counts visits to local sites in 23 European countries and then averages the percentages for those 23 European countries independent of population size.
TheCounter.com (2000 to 2009)
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" because of 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 rendering engine used by various browsers, and the table below aggregates them in the same column.
Reports from before year 2000
GVU WWW user survey (January 1994 to October 1998)
EWS Web Server at UIUC (1996 Q2 to 1998)
ZD Market Intelligence (US, January 1997 to January 1998)
Zona Research (US, Jan 1997 to Jan 1998)
AdKnowledge (January 1998 to June 1998)
Dataquest (1995 to 1997)
International Data Corporation (US, 1996 to 1997)