| Used Operating Systems |
| 1 | 30758 | 49.69 | 288 | 3.55 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 17213 | 27.81 | 3885 | 47.86 | Windows NT |
| 3 | 3438 | 5.55 | 2727 | 33.60 | +http://www.baidu.com/search/spider.html |
| 4 | 3321 | 5.37 | 38 | 0.47 | +http://siteexplorer.info/ |
| 5 | 2369 | 3.83 | 309 | 3.81 | help@moz.com |
| 6 | 1210 | 1.95 | 24 | 0.30 | +http://www.seoprofiler.com/bot |
| 7 | 1124 | 1.82 | 395 | 4.87 | +http://www.bing.com/bingbot.htm |
| 8 | 964 | 1.56 | 252 | 3.10 | +http://www.google.com/bot.html |
| 9 | 728 | 1.18 | 28 | 0.34 | +http://yandex.com/bots |
| 10 | 272 | 0.44 | 57 | 0.70 | +http://www.linkdex.com/about/bots/ |
| 11 | 192 | 0.31 | 6 | 0.07 | http://crawler.sistrix.net/ |
| 12 | 73 | 0.12 | 11 | 0.14 | X11 |
| 13 | 46 | 0.07 | 2 | 0.02 | Android 2.3.5 |
| 14 | 22 | 0.04 | 4 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 21 | 0.03 | 5 | 0.06 | +http://www.meanpath.com/meanpathbot.htm... |
| 16 | 21 | 0.03 | 5 | 0.06 | +http://www.exabot.com/go/robot |
| 17 | 16 | 0.03 | 14 | 0.17 | Windows 95 |
| 18 | 13 | 0.02 | 3 | 0.04 | Windows XP |
| 19 | 12 | 0.02 | 9 | 0.11 | Windows 98 |
| 20 | 11 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 21 | 10 | 0.02 | 9 | 0.11 | MSIE 5.5; Windows NT 5.0 |
| 22 | 9 | 0.01 | 9 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 23 | 8 | 0.01 | 8 | 0.10 | Windows 2000 |
| 24 | 8 | 0.01 | 8 | 0.10 | Windows 3.1 |
| 25 | 8 | 0.01 | 7 | 0.09 | +info@netcraft.com |
| 26 | 6 | 0.01 | 6 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 27 | 5 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 28 | 5 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 29 | 4 | 0.01 | 2 | 0.02 | +http://www.yunyun.com/spider.html |
| 30 | 4 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 31 | 2 | 0.00 | 2 | 0.02 | J2ME/MIDP |
| 32 | 2 | 0.00 | 2 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 33 | 1 | 0.00 | 1 | 0.01 | Windows CE |
| 34 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 35 | 1 | 0.00 | 1 | 0.01 | Windows ME |
