| Used Operating Systems |
| 1 | 31094 | 68.02 | 236 | 5.98 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4230 | 9.25 | 397 | 10.05 | +http://www.google.com/bot.html |
| 3 | 3198 | 7.00 | 1029 | 26.06 | Windows NT |
| 4 | 2903 | 6.35 | 1317 | 33.35 | +http://www.baidu.com/search/spider.html |
| 5 | 2659 | 5.82 | 510 | 12.91 | +http://www.bing.com/bingbot.htm |
| 6 | 259 | 0.57 | 108 | 2.73 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 205 | 0.45 | 51 | 1.29 | +http://www.linkdex.com/bots/ |
| 8 | 203 | 0.44 | 69 | 1.75 | +http://ahrefs.com/robot/ |
| 9 | 202 | 0.44 | 83 | 2.10 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 181 | 0.40 | 6 | 0.15 | +http://fulltext.sblog.cz/ |
| 11 | 152 | 0.33 | 48 | 1.22 | +http://yandex.com/bots |
| 12 | 88 | 0.19 | 1 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 13 | 79 | 0.17 | 3 | 0.08 | Linux i686 [unknown version] |
| 14 | 65 | 0.14 | 8 | 0.20 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 60 | 0.13 | 29 | 0.73 | +http://www.exabot.com/go/robot |
| 16 | 32 | 0.07 | 16 | 0.41 | +http://duckduckgo.com |
| 17 | 28 | 0.06 | 1 | 0.03 | +http://www.semrush.com/bot.html |
| 18 | 12 | 0.03 | 6 | 0.15 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 8 | 0.02 | 2 | 0.05 | +http://www.profound.net/domainappender |
| 20 | 8 | 0.02 | 8 | 0.20 | +http://domainsigma.com/robot |
| 21 | 6 | 0.01 | 2 | 0.05 | +http://prlog.ru/ |
| 22 | 6 | 0.01 | 3 | 0.08 | Windows 98 |
| 23 | 5 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 24 | 5 | 0.01 | 5 | 0.13 | Windows 95 |
| 25 | 4 | 0.01 | 4 | 0.10 | Windows 3.1 |
| 26 | 4 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 27 | 3 | 0.01 | 1 | 0.03 | +info@netcraft.com |
| 28 | 3 | 0.01 | 0 | 0.00 | X11 |
| 29 | 2 | 0.00 | 1 | 0.03 | Android 2.3.5 |
| 30 | 1 | 0.00 | 1 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 31 | 1 | 0.00 | 1 | 0.03 | FreeBSD [unknown version] |
| 32 | 1 | 0.00 | 1 | 0.03 | Intel Mac OS X 10.4 |
| 33 | 1 | 0.00 | 0 | 0.00 | Linux [unknown version] |
| 34 | 1 | 0.00 | 1 | 0.03 | Linux 2.6.x |
| 35 | 1 | 0.00 | 1 | 0.03 | Intel Mac OS X 10.6 |
