| Used Operating Systems |
| 1 | 13739 | 50.19 | 182 | 3.41 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5703 | 20.83 | 2238 | 41.93 | Windows NT |
| 3 | 1971 | 7.20 | 1655 | 31.01 | +http://www.baidu.com/search/spider.html |
| 4 | 1771 | 6.47 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 5 | 1240 | 4.53 | 271 | 5.08 | +http://ahrefs.com/robot/ |
| 6 | 736 | 2.69 | 87 | 1.63 | +http://www.bing.com/bingbot.htm |
| 7 | 622 | 2.27 | 285 | 5.34 | +http://www.xovibot.net/ |
| 8 | 302 | 1.10 | 70 | 1.31 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 212 | 0.77 | 60 | 1.12 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 187 | 0.68 | 52 | 0.97 | +http://yandex.com/bots |
| 11 | 179 | 0.65 | 75 | 1.41 | +http://www.google.com/bot.html |
| 12 | 130 | 0.47 | 115 | 2.15 | Windows 95 |
| 13 | 103 | 0.38 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 14 | 91 | 0.33 | 32 | 0.60 | Windows 98 |
| 15 | 62 | 0.23 | 4 | 0.07 | +http://www.semrush.com/bot.html |
| 16 | 48 | 0.18 | 7 | 0.13 | +http://fulltext.sblog.cz/ |
| 17 | 38 | 0.14 | 13 | 0.24 | +http://www.linkdex.com/bots/ |
| 18 | 26 | 0.09 | 23 | 0.43 | Windows 2000 |
| 19 | 26 | 0.09 | 7 | 0.13 | Windows XP |
| 20 | 26 | 0.09 | 25 | 0.47 | MSIE 5.5; Windows NT 5.0 |
| 21 | 25 | 0.09 | 21 | 0.39 | MSIE 5.5; Windows NT 4.0 |
| 22 | 21 | 0.08 | 21 | 0.39 | Windows CE |
| 23 | 20 | 0.07 | 19 | 0.36 | Auto; Windows |
| 24 | 18 | 0.07 | 18 | 0.34 | ) - BrowseX (2.0.0 Windows |
| 25 | 15 | 0.05 | 13 | 0.24 | Windows 3.1 |
| 26 | 15 | 0.05 | 14 | 0.26 | Windows ME |
| 27 | 14 | 0.05 | 5 | 0.09 | +http://www.exabot.com/go/robot |
| 28 | 10 | 0.04 | 5 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 29 | 5 | 0.02 | 5 | 0.09 | +http://www.domaintuno.com/robot |
| 30 | 5 | 0.02 | 4 | 0.07 | +info@netcraft.com |
| 31 | 4 | 0.01 | 1 | 0.02 | +http://downloadg5.com |
| 32 | 3 | 0.01 | 3 | 0.06 | Linux i686 [unknown version] |
| 33 | 2 | 0.01 | 2 | 0.04 | +https://www.domaintuno.com/robot |
| 34 | 2 | 0.01 | 1 | 0.02 | +http://advbot.org/bot.html |
| 35 | 1 | 0.00 | 1 | 0.02 | http://www.lipperhey.com/ |
| 36 | 1 | 0.00 | 1 | 0.02 | http://www.bing.com/bingbot.htm |
