
September 2009 Web Server Survey

Active Sites
Developer | August 2009 | Percent | September 2009 | Percent | Change |
|---|---|---|---|---|---|
Apache | 40,079,539 | 54.32% | 41,182,131 | 54.48% | 0.16 |
Microsoft | 14,793,614 | 20.05% | 15,048,844 | 19.91% | -0.14 |
10,718,972 | 14.53% | 10,765,386 | 14.24% | -0.29 | |
nginx | 3,851,569 | 5.22% | 4,198,275 | 5.55% | 0.33 |
lighttpd | 249,729 | 0.34% | 269,726 | 0.36% | 0.02 |
Totals for Active Servers Across All Domains
June 2000 - September 2009

Market Share for Top Servers Across the Million Busiest Sites
September 2008 - September 2009

Developer | August 2009 | Percent | September 2009 | Percent | Change |
|---|---|---|---|---|---|
Apache | 664,295 | 66.90% | 664,884 | 66.95% | 0.05 |
Microsoft | 180,160 | 18.14% | 177,777 | 17.90% | -0.24 |
nginx | 35,479 | 3.57% | 37,074 | 3.73% | 0.16 |
19,875 | 2.00% | 20,070 | 2.02% | 0.02 |
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