| Used Operating Systems |
| 1 | 13669 | 41.74 | 162 | 2.45 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4832 | 14.76 | 3878 | 58.70 | +http://www.baidu.com/search/spider.html |
| 3 | 3532 | 10.79 | 4 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 4 | 2455 | 7.50 | 212 | 3.21 | +http://www.bing.com/bingbot.htm |
| 5 | 2038 | 6.22 | 1348 | 20.41 | Windows NT |
| 6 | 1864 | 5.69 | 349 | 5.28 | +http://ahrefs.com/robot/ |
| 7 | 1824 | 5.57 | 3 | 0.05 | +http://webmeup-crawler.com/ |
| 8 | 689 | 2.10 | 235 | 3.56 | +http://www.google.com/bot.html |
| 9 | 399 | 1.22 | 67 | 1.01 | +http://www.easou.com/search/spider.html |
| 10 | 391 | 1.19 | 68 | 1.03 | +http://yandex.com/bots |
| 11 | 369 | 1.13 | 87 | 1.32 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 156 | 0.48 | 3 | 0.05 | +http://advbot.net/bot.html |
| 13 | 148 | 0.45 | 79 | 1.20 | +http://www.xovibot.net/ |
| 14 | 90 | 0.27 | 19 | 0.29 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 62 | 0.19 | 26 | 0.39 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 54 | 0.16 | 1 | 0.02 | +http://www.similartech.com/smtbot |
| 17 | 38 | 0.12 | 9 | 0.14 | +http://fulltext.sblog.cz/ |
| 18 | 32 | 0.10 | 2 | 0.03 | +http://www.semrush.com/bot.html |
| 19 | 30 | 0.09 | 15 | 0.23 | +http://www.exabot.com/go/robot |
| 20 | 24 | 0.07 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 21 | 9 | 0.03 | 8 | 0.12 | +info@netcraft.com |
| 22 | 8 | 0.02 | 8 | 0.12 | +http://www.domaintuno.com/robot |
| 23 | 8 | 0.02 | 8 | 0.12 | Windows 95 |
| 24 | 6 | 0.02 | 3 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 25 | 4 | 0.01 | 2 | 0.03 | +http://gimme60.com |
| 26 | 3 | 0.01 | 1 | 0.02 | +http://getdownload.ws |
| 27 | 3 | 0.01 | 1 | 0.02 | Windows XP |
| 28 | 3 | 0.01 | 3 | 0.05 | +; |
| 29 | 2 | 0.01 | 1 | 0.02 | +http://www.domainoptima.com/robot |
| 30 | 2 | 0.01 | 1 | 0.02 | Windows 98 |
| 31 | 2 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 32 | 1 | 0.00 | 1 | 0.02 | Windows 3.1 |
