April 2011 Web Server Survey

In the April 2011 survey from which we received responses 312 693 296 sites, a growth of nearly 14.7 million host names. This is the tenth consecutive month of growth observed by the survey.

As in recent months, Apache contributed the most to the increase, gaining 11.4 million hostnames. Particularly large increases were seen at AmeriNOC, SoftLayer, and ServerInt, which saw gains of 3.7 million, 2.5 million, and 1.2 million hostnames, respectively. Strong increases were also seen at several hosting companies, including Amazon, China Telecom and BurstNET.

Microsoft saw an overall increase of 1.2 million hostnames, with the strongest growth seen at Go Daddy. Microsoft’s biggest loss was due to the continued move from Windows Live Spaces to WordPress.com.

This month, nginx gained 651,000 hostnames in total, despite losses from ServePath, China Telecom, and Amazon. The largest increase was seen at Hetzner Online AG, which saw 349,000 additional sites.

The Tōhoku earthquake did not cause a drop in the number of sites seen by the web server survey this month because data collection was completed before the earthquake.

Total number of sites in all domains
August 1995 – April 2011

Market share of the best servers in all areas
August 1995 – April 2011

Graph of the market share of the best servers in all fields, August 1995 - April 2011

Developer March 2011 Percent April 2011 Percent Change
apache 179 720 332 60.31% 191 139 966 61.13% 0.82
Microsoft 57,644,692 19.34% 58,867,097 18.83% -0.52
nginx 22,806,060 7.65% 23,463,669 7.50% -0.15
google 15,161,530 5.09% 14,690,422 4.70% -0.39
lighttpd 1,796,471 0.60% 1,862,963 0.60% -0.01

Totals for active servers in all domains
June 2000 – April 2011

Developer March 2011 Percent April 2011 Percent Change
apache 58 570 429 55.50% 58,382,787 55.12% -0.38
Microsoft 16,626,766 15.76% 16,333,388 15.42% -0.34
google 12,390,167 11.74% 11,892,939 11.23% -0.51
nginx 8,946,787 8.48% 9,192,405 8.68% 0.20
lighttpd 624 988 0.59% 660,001 0.62% 0.03

For more information on active servers, see Active Sites

Market share of the best servers on the million most frequented sites
September 2008 – April 2011

Developer March 2011 Percent April 2011 Percent Change
apache 659 369 66.32% 657,920 66.17% -0.16
Microsoft 160,069 16.10% 159 173 16.01% -0.09
nginx 64,221 6.46% 64,871 6.52% 0.06
google 21,099 2.12% 21,057 2.12% -0.00

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