September 2007 Security Space Survey Results

October 4, 2007
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The Security Space Web Server Survey is a survey of Web server software usage on the Internet broken down by 86 domains. Security Space estimates that nearly 90 percent of all Web sites are "orphans" to which no other sites link. Its Web server survey therefore counts only those servers referenced on other sites.

More than 25 million Web sites responded to the September 2007 survey, a continued increase from June's response of 24.7 million. This was the third consecutive quarter to exhibit a new peak.

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Nearly 11 million, or 43.8 percent, of Security Space sites surveyed had .com domains.

All Domains (25,274,890) server order is based on global market share
Server	September Count	September %	June Count	June %	Change
Apache	18,608,522	73.62%	18,166,994	73.52%	-0.10%
Microsoft	4,903,683	19.40%	4,851,577	19.63%	0.23%
Zeus	121,078	0.48%	126,776	0.51%	0.03%
Netscape	58,658	0.23%	60,334	0.24%	0.01%
WebSTAR	18,550	0.07%	20,187	0.08%	0.01%
WebSite	8,684	0.03%	8,972	0.04%	0.01%
Other	1,555,715	6.16%	1,474,605	5.97%	-0.19%

Domain Summary
Domain	Description	Web Servers	Percentage
.com	Commercial	11,080,586	43.84%
.de	Germany	1,880,340	7.44%
.net	Network	1,679,758	6.65%
.org	Nonprofit Orgs	1,377,435	5.45%
.nl	Netherlands	838,842	3.32%
.uk	United Kingdom	815,659	3.23%
.edu	Educational	142,919	0.57%

.com (Commercial) Domains 11,080,586 servers server order is based on global market share
Server	September Count	September %	June Count	June %	Change
Apache	7,795,921	70.36%	7,620,732	70.09%	-0.27%
Microsoft	2,515,935	22.71%	2,502,405	23.02%	0.31%
Zeus	46,833	0.42%	52,178	0.48%	0.06%
Netscape	28,620	0.26%	28,416	0.26%	0.00%
WebSTAR	11,003	0.10%	11,875	0.11%	0.01%
WebSite	3,697	0.03%	3,853	0.04%	0.01%
Other	678,577	6.12%	653,023	6.01%	-0.11%

Server Breakdown Across All Domains of the 10 most popular servers. Server order is based on global market share
Server Name	Number Found	Percentage
Apache	4,761,934	18.84%
Microsoft-IIS/6.0	3,420,743	13.53%
Apache/1.3.37	2,902,211	11.48%
Apache/1.3.33	1,918,856	7.59%
Microsoft-IIS/5.0	1,407,373	5.57%
Apache/2.0.54	972,634	3.85%
Apache/2.0.52	923,867	3.66%
Apache/1.3.34	691,722	2.74%
Apache/2.2.3	614,169	2.43%
Apache/1.3.27	462,404	1.83%