Totals for Active Sites Across All Domains
June 2000 – October 2011

Developer	September 2011	Percent	October 2011	Percent	Change
Apache	99,963,635	59.99%	99,883,550	58.90%	-1.09
Microsoft	20,548,834	12.33%	21,137,071	12.46%	0.13
nginx	17,495,435	10.50%	19,121,348	11.28%	0.78
Google	13,270,024	7.96%	13,781,508	8.13%	0.16

For more information see Active Sites

Market Share for Top Servers Across the Million Busiest Sites
September 2008 – October 2011

Developer	September 2011	Percent	October 2011	Percent	Change
Apache	655,308	65.88%	649,397	65.28%	-0.60
Microsoft	153,015	15.38%	151,245	15.20%	-0.18
nginx	72,511	7.29%	77,980	7.84%	0.55
Google	21,804	2.19%	22,226	2.23%	0.04