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

Developer	August 2011	Percent	September 2011	Percent	Change
Apache	97,632,585	59.99%	99,963,635	59.99%	-0.00
Microsoft	20,339,954	12.50%	20,548,834	12.33%	-0.17
nginx	17,053,642	10.48%	17,495,435	10.50%	0.02
Google	13,523,636	8.31%	13,270,024	7.96%	-0.35

For more information see Active Sites

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

Developer	August 2011	Percent	September 2011	Percent	Change
Apache	655,553	65.91%	655,308	65.88%	-0.03
Microsoft	154,685	15.55%	153,015	15.38%	-0.17
nginx	71,517	7.19%	72,511	7.29%	0.10
Google	21,871	2.20%	21,804	2.19%	-0.01