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 1673 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
Jan Jan Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan
Windows 64.66 650 795 895 909 902 925 938 955 1026 1024 1047 1048 1039 1030 1041
Linux 22.85 176 239 273 276 284 288 293 306 344 358 366 366 375 391 405
unknown 6.72 29 44 63 69 73 67 72 75 87 93 101 111 120 128 133
Other non-Unix 3.29 10 14 34 38 40 41 47 51 52 54 53 53 55 55 59
BSD 1.13 23 20 15 15 14 18 18 17 20 17 19 19 20 15 17
Solaris 0.97 21 23 18 16 15 15 15 17 18 16 16 15 16 13 12
Other Unix 0.39 13 11 9 9 7 7 8 7 6 5 5 6 5 5 6