June 2016 Web Server Survey

In the June 2016 survey we received responses from 1,045,534,808 sites
and 5,951,685 web-facing computers. This reflects an increase of 12 million sites, along with a modest gain of 4,700 computers.

Apache regained the lead from Microsoft this month, with a large increase of 60 million sites taking its total up to 360 million, while Microsoft lost 24 million. Microsoft enjoyed a brief foray at the top in April and May, thanks to a proliferation of link farming sites, but now stands 18 million sites behind Apache.

Apache’s net growth included only 14 million new websites – the remainder consisted of existing websites that switched to Apache after previously using other web server software. Most notably, 52 million sites switched from Tengine to Apache, while 12 million switched from Microsoft. The number of websites using Tengine fell by more than 60%, largely as a result of the migration to Apache. Most of the sites involved in this switch were hosted by OVH in Canada, and not only changed server vendor, but also moved to a different hosting company—Data Foundry—in the United States.

Although the number of Tengine websites fell to 29 million, the number of active sites using Tengine actually increased slightly to 1.8 million. In a similar vein, the number of active sites running Apache fell by 630,000, even though the total number of sites grew by more than 60 million.

Out of the largest vendors, Microsoft has the lowest proportion of active sites, with only 4.8% of its 340 million sites being active, while Tengine’s proportion has crept up to 6.3%. Both are significantly lower than Apache’s proportion of 22.3% and nginx’s 21.6%.

Newer versions of web server software generally attract a much higher proportion of active sites. For example, 56% of sites running on Microsoft IIS 10 (which will be included with Windows Server 2016, but is already available for Windows 10) are classified as active, while 23% of sites running IIS 8.5 are active, along with 14% of IIS 8.0 sites. This proportion dwindles to only 2.8% by the time we consider IIS 6.0, which remains a very popular choice of server in China despite no longer being supported by Microsoft.

nginx also demonstrates this trend, with the largest number of its active sites running on the latest 1.10.x stable branch. More than half of all sites using this version are active.

Across all versions, nginx continues to muscle its way into the market with confidence. This month it gained almost a million active sites, along with an additional 31,000 web-facing computers, giving it the largest growth in these important metrics. Conversely, Apache lost 26,000 computers, while Microsoft lost 4,500.

nginx has also continued to grow its presence amongst the top million websites, where it is now used by 27.6% of sites. Apache continues to lead with a 43.7% share of this market, although its share has generally been on the decline since 2011. If current trends continue, nginx could possibly take the lead from Apache within the next couple of years.

Total number of websites

Web server market share

Developer May 2016 Percent June 2016 Percent Change
Apache 300,447,470 29.06% 360,458,018 34.48% 5.41
Microsoft 366,964,009 35.50% 342,605,666 32.77% -2.73
nginx 163,902,971 15.85% 169,316,547 16.19% 0.34
Google 21,567,252 2.09% 21,662,673 2.07% -0.01

Web server market share for active sites

Developer May 2016 Percent June 2016 Percent Change
Apache 81,000,024 47.59% 80,372,471 47.07% -0.52
nginx 35,670,653 20.96% 36,632,010 21.46% 0.50
Microsoft 17,332,452 10.18% 16,501,904 9.67% -0.52
Google 14,086,046 8.28% 14,370,607 8.42% 0.14

For more information see Active Sites

Web server market share for top million busiest sites

Developer May 2016 Percent June 2016 Percent Change
Apache 441,366 44.14% 437,296 43.73% -0.41
nginx 272,394 27.24% 276,095 27.61% 0.37
Microsoft 111,691 11.17% 110,846 11.08% -0.08
Google 20,911 2.09% 20,859 2.09% -0.01
Web server market share for computers

Developer May 2016 Percent June 2016 Percent Change
Apache 2,827,763 47.55% 2,801,689 47.07% -0.48
Microsoft 1,540,481 25.90% 1,535,971 25.81% -0.10
nginx 918,032 15.44% 948,919 15.94% 0.51

June 2016 Web Server Survey
June 2016 Web Server Survey
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