| Used Operating Systems |
| 1 | 13008 | 72.88 | 1335 | 52.98 | Windows NT |
| 2 | 1756 | 9.84 | 463 | 18.37 | +http://www.google.com/bot.html |
| 3 | 1145 | 6.42 | 256 | 10.16 | +http://www.baidu.com/search/spider.html |
| 4 | 737 | 4.13 | 138 | 5.48 | +http://www.bing.com/bingbot.htm |
| 5 | 188 | 1.05 | 40 | 1.59 | +http://yandex.com/bots |
| 6 | 157 | 0.88 | 12 | 0.48 | +http://fulltext.sblog.cz/ |
| 7 | 129 | 0.72 | 39 | 1.55 | Windows 95 |
| 8 | 107 | 0.60 | 22 | 0.87 | Windows 98 |
| 9 | 84 | 0.47 | 34 | 1.35 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 58 | 0.32 | 26 | 1.03 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 40 | 0.22 | 29 | 1.15 | +http://ahrefs.com/robot/ |
| 12 | 36 | 0.20 | 12 | 0.48 | MSIE 5.5; Windows NT 5.0 |
| 13 | 36 | 0.20 | 11 | 0.44 | http://www.majestic12.co.uk/bot.php?+ |
| 14 | 33 | 0.18 | 8 | 0.32 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 32 | 0.18 | 4 | 0.16 | +http://advbot.net/bot.html |
| 16 | 27 | 0.15 | 9 | 0.36 | MSIE 5.5; Windows NT 4.0 |
| 17 | 24 | 0.13 | 8 | 0.32 | Auto; Windows |
| 18 | 24 | 0.13 | 2 | 0.08 | +http://webmeup-crawler.com/ |
| 19 | 22 | 0.12 | 2 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 20 | 21 | 0.12 | 7 | 0.28 | Windows 2000 |
| 21 | 19 | 0.11 | 4 | 0.16 | Windows XP |
| 22 | 18 | 0.10 | 6 | 0.24 | ) - BrowseX (2.0.0 Windows |
| 23 | 16 | 0.09 | 5 | 0.20 | AnyEvent-HTTP/2.21; +http://software.sch... |
| 24 | 16 | 0.09 | 4 | 0.16 | +http://www.profound.net/domainappender |
| 25 | 12 | 0.07 | 1 | 0.04 | +http://www.linkpad.ru |
| 26 | 12 | 0.07 | 9 | 0.36 | Linux i686 [unknown version] |
| 27 | 12 | 0.07 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 28 | 12 | 0.07 | 6 | 0.24 | +http://www.exabot.com/go/robot |
| 29 | 10 | 0.06 | 5 | 0.20 | +http://duckduckgo.com |
| 30 | 9 | 0.05 | 3 | 0.12 | Windows CE |
| 31 | 6 | 0.03 | 2 | 0.08 | Windows ME |
| 32 | 6 | 0.03 | 2 | 0.08 | Windows 3.1 |
| 33 | 6 | 0.03 | 0 | 0.00 | +http://www.xovibot.net/ |
| 34 | 6 | 0.03 | 3 | 0.12 | +http://gimme60.com |
| 35 | 6 | 0.03 | 3 | 0.12 | +http://www.meanpath.com/meanpathbot.htm... |
| 36 | 4 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 37 | 4 | 0.02 | 2 | 0.08 | +http://www.linkdex.com/bots/ |
| 38 | 3 | 0.02 | 2 | 0.08 | +http://www.semrush.com/bot.html |
| 39 | 2 | 0.01 | 2 | 0.08 | Linux [unknown version] |
| 40 | 2 | 0.01 | 2 | 0.08 | +info@netcraft.com |
| 41 | 2 | 0.01 | 2 | 0.08 | +http://www.grapeshot.co.uk/crawler.php |
| 42 | 1 | 0.01 | 0 | 0.00 | Android 2.3.5 |
