| Used Operating Systems |
| 1 | 7573 | 44.34 | 3404 | 83.25 | +http://www.baidu.com/search/spider.html |
| 2 | 2938 | 17.20 | 131 | 3.20 | Windows NT |
| 3 | 2071 | 12.13 | 229 | 5.60 | +http://yandex.com/bots |
| 4 | 1988 | 11.64 | 23 | 0.56 | http://crawler.sistrix.net/ |
| 5 | 723 | 4.23 | 42 | 1.03 | +http://ahrefs.com/robot/ |
| 6 | 415 | 2.43 | 102 | 2.49 | +http://www.google.com/bot.html |
| 7 | 294 | 1.72 | 68 | 1.66 | +http://www.bing.com/bingbot.htm |
| 8 | 272 | 1.59 | 0 | 0.00 | Macintosh |
| 9 | 152 | 0.89 | 4 | 0.10 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 136 | 0.80 | 30 | 0.73 | ezooms.bot@gmail.com |
| 11 | 72 | 0.42 | 0 | 0.00 | America Online Browser 1.1; rev1.5; Wind... |
| 12 | 68 | 0.40 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 13 | 51 | 0.30 | 9 | 0.22 | +http://go.mail.ru/help/robots |
| 14 | 46 | 0.27 | 2 | 0.05 | +http://www.compspy.com/spider.html |
| 15 | 42 | 0.25 | 0 | 0.00 | Solaris 9.x |
| 16 | 39 | 0.23 | 4 | 0.10 | Windows 98 |
| 17 | 36 | 0.21 | 0 | 0.00 | OS/2 |
| 18 | 36 | 0.21 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 19 | 36 | 0.21 | 36 | 0.88 | http://www.yodao.com/help/webmaster/spid... |
| 20 | 32 | 0.19 | 0 | 0.00 | Linux i686 [unknown version] |
| 21 | 18 | 0.11 | 0 | 0.00 | Macintosh PPC |
| 22 | 16 | 0.09 | 2 | 0.05 | MirrorDetector; +http://yandex.com/bots |
| 23 | 12 | 0.07 | 0 | 0.00 | Windows 95 |
| 24 | 6 | 0.04 | 0 | 0.00 | Solaris 2.4.x |
| 25 | 4 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 26 | 2 | 0.01 | 2 | 0.05 | X11 |
| 27 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
