| Used Operating Systems |
| 1 | 16071 | 62.46 | 191 | 3.50 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2282 | 8.87 | 1173 | 21.52 | +http://www.google.com/bot.html |
| 3 | 2136 | 8.30 | 1611 | 29.55 | Windows NT |
| 4 | 1891 | 7.35 | 1607 | 29.48 | +http://www.baidu.com/search/spider.html |
| 5 | 1500 | 5.83 | 75 | 1.38 | +http://yandex.com/bots |
| 6 | 717 | 2.79 | 318 | 5.83 | +http://www.bing.com/bingbot.htm |
| 7 | 432 | 1.68 | 136 | 2.49 | +http://www.linkdex.com/bots/ |
| 8 | 193 | 0.75 | 65 | 1.19 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 82 | 0.32 | 34 | 0.62 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 45 | 0.17 | 44 | 0.81 | http://www.openfos.com |
| 11 | 45 | 0.17 | 44 | 0.81 | http://www.topicway.com |
| 12 | 43 | 0.17 | 31 | 0.57 | +http://ahrefs.com/robot/ |
| 13 | 31 | 0.12 | 13 | 0.24 | +http://www.semrush.com/bot.html |
| 14 | 24 | 0.09 | 6 | 0.11 | +http://www.profound.net/domainappender |
| 15 | 20 | 0.08 | 10 | 0.18 | +http://www.meanpath.com/meanpathbot.htm... |
| 16 | 19 | 0.07 | 9 | 0.17 | +http://www.exabot.com/go/robot |
| 17 | 18 | 0.07 | 9 | 0.17 | +http://duckduckgo.com |
| 18 | 16 | 0.06 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 19 | 16 | 0.06 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 20 | 16 | 0.06 | 7 | 0.13 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 16 | 0.06 | 1 | 0.02 | +http://www.linkpad.ru |
| 22 | 15 | 0.06 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 23 | 15 | 0.06 | 14 | 0.26 | Windows 95 |
| 24 | 14 | 0.05 | 1 | 0.02 | +http://www.similartech.com/smtbot |
| 25 | 7 | 0.03 | 7 | 0.13 | Windows 3.1 |
| 26 | 6 | 0.02 | 1 | 0.02 | Windows 98 |
| 27 | 5 | 0.02 | 5 | 0.09 | +http://www.domaintuno.com/robot |
| 28 | 5 | 0.02 | 4 | 0.07 | +info@netcraft.com |
| 29 | 5 | 0.02 | 4 | 0.07 | X11 |
| 30 | 5 | 0.02 | 5 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 31 | 4 | 0.02 | 1 | 0.02 | http://www.lipperhey.com/ |
| 32 | 4 | 0.02 | 4 | 0.07 | Windows CE |
| 33 | 4 | 0.02 | 1 | 0.02 | +http://g5files.net |
| 34 | 4 | 0.02 | 1 | 0.02 | +http://downloadg5.com |
| 35 | 3 | 0.01 | 1 | 0.02 | +http://gimme60.com |
| 36 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 37 | 2 | 0.01 | 1 | 0.02 | Intel Mac OS X 10.4 |
| 38 | 2 | 0.01 | 2 | 0.04 | Windows ME |
| 39 | 2 | 0.01 | 0 | 0.00 | Windows XP |
| 40 | 2 | 0.01 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 41 | 2 | 0.01 | 2 | 0.04 | Intel Mac OS X 10.6 |
| 42 | 2 | 0.01 | 1 | 0.02 | +http://advbot.org/bot.html |
| 43 | 2 | 0.01 | 1 | 0.02 | +; |
| 44 | 1 | 0.00 | 0 | 0.00 | Android |
| 45 | 1 | 0.00 | 1 | 0.02 | Windows 2000 |
| 46 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
| 47 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 48 | 1 | 0.00 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 49 | 1 | 0.00 | 1 | 0.02 | +https://www.domaintuno.com/robot |
| 50 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
