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 13159 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 48.88 1961 2510 3121 3032 3060 3320 3418 3707 5490 5637 5807 5973 6142 6331 6565
Linux 33.55 1309 2053 2562 2616 2668 2721 2834 2945 3593 3681 3796 3881 3975 4181 4316
unknown 9.09 229 516 631 813 888 697 705 613 912 868 964 1021 1061 1290 1276
BSD 4.27 222 278 364 351 372 395 394 401 465 475 492 502 492 499 511
Solaris 2.33 239 244 248 246 249 249 246 249 246 244 251 250 249 252 250
Other non-Unix 1.74 45 71 140 131 136 152 153 172 180 184 188 190 210 220 229
Other Unix 0.15 39 34 18 18 18 18 19 19 17 18 16 13 13 13 12