| Used Operating Systems |
| 1 | 13528 | 56.78 | 2043 | 32.53 | Windows NT |
| 2 | 2148 | 9.02 | 1977 | 31.48 | +http://www.baidu.com/search/spider.html |
| 3 | 1358 | 5.70 | 592 | 9.43 | +http://www.bing.com/bingbot.htm |
| 4 | 1246 | 5.23 | 685 | 10.91 | +http://www.google.com/bot.html |
| 5 | 1199 | 5.03 | 203 | 3.23 | http://www.yodao.com/help/webmaster/spid... |
| 6 | 1091 | 4.58 | 43 | 0.68 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 613 | 2.57 | 193 | 3.07 | ezooms.bot@gmail.com |
| 8 | 488 | 2.05 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 9 | 485 | 2.04 | 7 | 0.11 | Intel Mac OS X 10.4 |
| 10 | 397 | 1.67 | 164 | 2.61 | +http://yandex.com/bots |
| 11 | 246 | 1.03 | 65 | 1.04 | Windows 95 |
| 12 | 243 | 1.02 | 60 | 0.96 | Windows 98 |
| 13 | 141 | 0.59 | 108 | 1.72 | +http://ahrefs.com/robot/ |
| 14 | 64 | 0.27 | 14 | 0.22 | MSIE 5.5; Windows NT 4.0 |
| 15 | 61 | 0.26 | 3 | 0.05 | Linux i686 [unknown version] |
| 16 | 55 | 0.23 | 22 | 0.35 | +http://www.exabot.com/go/robot |
| 17 | 53 | 0.22 | 5 | 0.08 | Intel Mac OS X 10.6 |
| 18 | 44 | 0.18 | 13 | 0.21 | Windows ME |
| 19 | 43 | 0.18 | 13 | 0.21 | Windows XP |
| 20 | 40 | 0.17 | 10 | 0.16 | Windows 2000 |
| 21 | 38 | 0.16 | 7 | 0.11 | J2ME/MIDP |
| 22 | 31 | 0.13 | 4 | 0.06 | Intel Mac OS X 10.5 |
| 23 | 28 | 0.12 | 2 | 0.03 | http://help.yahoo.com/help/us/ysearch/sl... |
| 24 | 26 | 0.11 | 9 | 0.14 | MSIE 5.5; Windows NT 5.0 |
| 25 | 25 | 0.10 | 4 | 0.06 | Unknown |
| 26 | 23 | 0.10 | 8 | 0.13 | Windows 3.1 |
| 27 | 17 | 0.07 | 4 | 0.06 | +info@netcraft.com |
| 28 | 15 | 0.06 | 0 | 0.00 | http://desktop.google.com/ |
| 29 | 9 | 0.04 | 1 | 0.02 | BlackBerry |
| 30 | 9 | 0.04 | 1 | 0.02 | AOL 9.1; AOLBuild 4334.5002; Windows NT ... |
| 31 | 8 | 0.03 | 1 | 0.02 | Android |
| 32 | 8 | 0.03 | 1 | 0.02 | S60 |
| 33 | 8 | 0.03 | 5 | 0.08 | X11 |
| 34 | 7 | 0.03 | 1 | 0.02 | Auto; Windows |
| 35 | 7 | 0.03 | 1 | 0.02 | +http://www.aihit.com/ |
| 36 | 6 | 0.03 | 1 | 0.02 | +http://swebot.net |
| 37 | 5 | 0.02 | 4 | 0.06 | Windows CE |
| 38 | 4 | 0.02 | 1 | 0.02 | Linux [unknown version] |
| 39 | 3 | 0.01 | 1 | 0.02 | Macintosh PPC |
| 40 | 2 | 0.01 | 1 | 0.02 | +http://www.seoprofiler.com/bot |
| 41 | 1 | 0.00 | 1 | 0.02 | Mac_PowerPC Mac OS X; en |
| 42 | 1 | 0.00 | 1 | 0.02 | Linux 2.2.x |
