| Used Operating Systems |
| 1 | 17605 | 52.39 | 4256 | 47.56 | Windows NT |
| 2 | 4164 | 12.39 | 77 | 0.86 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 4145 | 12.34 | 3532 | 39.47 | +http://www.baidu.com/search/spider.html |
| 4 | 2284 | 6.80 | 121 | 1.35 | +http://yandex.com/bots |
| 5 | 1668 | 4.96 | 454 | 5.07 | +http://www.google.com/bot.html |
| 6 | 1353 | 4.03 | 20 | 0.22 | +http://www.seoprofiler.com/bot |
| 7 | 646 | 1.92 | 5 | 0.06 | +http://www.warebay.com/bot.html |
| 8 | 554 | 1.65 | 243 | 2.72 | +http://www.bing.com/bingbot.htm |
| 9 | 434 | 1.29 | 63 | 0.70 | help@moz.com |
| 10 | 221 | 0.66 | 62 | 0.69 | +http://www.linkdex.com/about/bots/ |
| 11 | 128 | 0.38 | 16 | 0.18 | ezooms.bot@gmail.com |
| 12 | 105 | 0.31 | 21 | 0.23 | X11 |
| 13 | 66 | 0.20 | 2 | 0.02 | http://crawler.sistrix.net/ |
| 14 | 51 | 0.15 | 8 | 0.09 | Android 2.3.5 |
| 15 | 47 | 0.14 | 9 | 0.10 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 22 | 0.07 | 4 | 0.04 | +http://www.exabot.com/go/robot |
| 17 | 15 | 0.04 | 5 | 0.06 | Windows 98 |
| 18 | 12 | 0.04 | 11 | 0.12 | MSIE 5.5; Windows NT 5.0 |
| 19 | 10 | 0.03 | 0 | 0.00 | Linux 2.4.x |
| 20 | 9 | 0.03 | 9 | 0.10 | Windows 95 |
| 21 | 7 | 0.02 | 0 | 0.00 | Win32 |
| 22 | 7 | 0.02 | 6 | 0.07 | Auto; Windows |
| 23 | 6 | 0.02 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 24 | 6 | 0.02 | 3 | 0.03 | +http://siteexplorer.info/ |
| 25 | 5 | 0.01 | 4 | 0.04 | +info@netcraft.com |
| 26 | 4 | 0.01 | 4 | 0.04 | Windows CE |
| 27 | 4 | 0.01 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 28 | 4 | 0.01 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 29 | 4 | 0.01 | 0 | 0.00 | +http://www.yunyun.com/SiteInfo.php?r=ab... |
| 30 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 31 | 2 | 0.01 | 2 | 0.02 | Windows 2000 |
| 32 | 2 | 0.01 | 2 | 0.02 | Windows 3.1 |
| 33 | 2 | 0.01 | 2 | 0.02 | Linux i686 [unknown version] |
| 34 | 2 | 0.01 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 35 | 1 | 0.00 | 1 | 0.01 | J2ME/MIDP |
| 36 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 37 | 1 | 0.00 | 0 | 0.00 | Windows XP |
| 38 | 1 | 0.00 | 1 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 39 | 1 | 0.00 | 1 | 0.01 | Macintosh |
