| Used Operating Systems |
| 1 | 12635 | 28.78 | 142 | 4.46 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 9493 | 21.63 | 1047 | 32.89 | Windows NT |
| 3 | 8240 | 18.77 | 285 | 8.95 | +http://ahrefs.com/robot/ |
| 4 | 4086 | 9.31 | 12 | 0.38 | http://crawler.sistrix.net/ |
| 5 | 2533 | 5.77 | 54 | 1.70 | +http://yandex.com/bots |
| 6 | 2319 | 5.28 | 1214 | 38.14 | +http://www.baidu.com/search/spider.html |
| 7 | 1713 | 3.90 | 59 | 1.85 | +spider@spiderlytics.com |
| 8 | 518 | 1.18 | 0 | 0.00 | OS/2 |
| 9 | 459 | 1.05 | 100 | 3.14 | +http://www.google.com/bot.html |
| 10 | 389 | 0.89 | 137 | 4.30 | +http://www.bing.com/bingbot.htm |
| 11 | 250 | 0.57 | 5 | 0.16 | Windows XP |
| 12 | 210 | 0.48 | 0 | 0.00 | America Online Browser 1.1; rev1.2; Wind... |
| 13 | 161 | 0.37 | 0 | 0.00 | Linux i686 [unknown version] |
| 14 | 118 | 0.27 | 22 | 0.69 | +http://www.exabot.com/go/robot |
| 15 | 104 | 0.24 | 0 | 0.00 | Linux 2.4.x |
| 16 | 96 | 0.22 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 91 | 0.21 | 9 | 0.28 | Windows 98 |
| 18 | 65 | 0.15 | 0 | 0.00 | Win32 |
| 19 | 58 | 0.13 | 0 | 0.00 | Solaris 2.4.x |
| 20 | 53 | 0.12 | 20 | 0.63 | +http://www.linkdex.com/about/bots/ |
| 21 | 40 | 0.09 | 0 | 0.00 | Solaris 9.x |
| 22 | 40 | 0.09 | 0 | 0.00 | Macintosh |
| 23 | 35 | 0.08 | 16 | 0.50 | ezooms.bot@gmail.com |
| 24 | 32 | 0.07 | 0 | 0.00 | America Online Browser 1.1; rev1.1; Wind... |
| 25 | 21 | 0.05 | 19 | 0.60 | Windows 95 |
| 26 | 18 | 0.04 | 6 | 0.19 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 27 | 18 | 0.04 | 0 | 0.00 | i686 Linux; 20020515 |
| 28 | 16 | 0.04 | 0 | 0.00 | Macintosh PPC |
| 29 | 14 | 0.03 | 3 | 0.09 | X11 |
| 30 | 12 | 0.03 | 0 | 0.00 | FreeBSD [unknown version] |
| 31 | 12 | 0.03 | 3 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 32 | 10 | 0.02 | 2 | 0.06 | Android 2.3.5 |
| 33 | 8 | 0.02 | 3 | 0.09 | http://www.searchmetrics.com/en/searchme... |
| 34 | 7 | 0.02 | 7 | 0.22 | Windows 3.1 |
| 35 | 4 | 0.01 | 4 | 0.13 | Windows ME |
| 36 | 4 | 0.01 | 4 | 0.13 | ) - BrowseX (2.0.0 Windows |
| 37 | 2 | 0.00 | 2 | 0.06 | Windows CE |
| 38 | 2 | 0.00 | 2 | 0.06 | Auto; Windows |
| 39 | 2 | 0.00 | 2 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 40 | 2 | 0.00 | 0 | 0.00 | America Online Browser 1.1; rev1.5; Wind... |
| 41 | 2 | 0.00 | 2 | 0.06 | Intel Mac OS X 10.6 |
| 42 | 2 | 0.00 | 2 | 0.06 | +info@netcraft.com |
| 43 | 2 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows NT 5.0 |
