Active Sites
| Developer | September 2009 | Percent | October 2009 | Percent | Change |
|---|---|---|---|---|---|
| Apache | 41,182,131 | 54.48% | 42,534,142 | 55.33% | 0.85 |
| Microsoft | 15,048,844 | 19.91% | 14,942,971 | 19.44% | -0.47 |
| 10,765,386 | 14.24% | 10,421,468 | 13.56% | -0.69 | |
| nginx | 4,198,275 | 5.55% | 4,500,149 | 5.85% | 0.30 |
| lighttpd | 269,726 | 0.36% | 280,121 | 0.36% | 0.01 |
Totals for Active Servers Across All Domains
June 2000 – October 2009
Market Share for Top Servers Across the Million Busiest Sites
September 2008 – October 2009
| Developer | September 2009 | Percent | October 2009 | Percent | Change |
|---|---|---|---|---|---|
| Apache | 664,884 | 66.95% | 665,947 | 67.05% | 0.09 |
| Microsoft | 177,777 | 17.90% | 176,954 | 17.82% | -0.09 |
| nginx | 37,074 | 3.73% | 37,376 | 3.76% | 0.03 |
| 20,070 | 2.02% | 19,723 | 1.99% | -0.04 |