Operating System Share by Groups for Sites in January 2008

This analysis relates to those sites found in the survey where the common name in the certificate matched the hostname, and the certificate's digital signature was not detected as being self-signed.

Responses were obtained from 2946 sites, with the following shares for each operating system group.

Other views of this data are on separate pages:

The following pie chart shows the moving average shares over time.

The next graph shows the actual development of shares over time.

Market Shares by Operating System Group to January 2008

OS Group	Moving Avg. %	2005	2006	2007												2008
OS Group	Moving Avg. %	Jan	Jan	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Jan
Linux	47.35	499	758	980	1018	1057	1104	1130	1178	1240	1255	1268	1304	1325	1360	1397
Windows	33.55	494	601	728	742	760	779	783	823	876	899	906	927	938	952	964
unknown	8.24	139	194	171	185	185	175	175	174	195	194	211	219	230	251	266
Other non-Unix	5.37	12	13	93	90	94	110	116	132	129	141	143	151	157	164	176
Solaris	3.39	96	99	96	95	95	95	100	97	96	85	85	85	86	88	88
BSD	1.58	23	33	32	36	39	40	39	41	43	42	43	42	45	44	44
Other Unix	0.51	25	22	16	14	14	16	13	14	15	14	15	14	13	12	11