| Used Operating Systems |
| 1 | 23999 | 62.33 | 178 | 2.62 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5765 | 14.97 | 4769 | 70.30 | +http://www.baidu.com/search/spider.html |
| 3 | 3749 | 9.74 | 7 | 0.10 | Windows XP |
| 4 | 1882 | 4.89 | 702 | 10.35 | Windows NT |
| 5 | 1004 | 2.61 | 381 | 5.62 | +http://www.google.com/bot.html |
| 6 | 734 | 1.91 | 252 | 3.71 | +http://www.bing.com/bingbot.htm |
| 7 | 388 | 1.01 | 94 | 1.39 | +http://www.linkdex.com/bots/ |
| 8 | 270 | 0.70 | 103 | 1.52 | +http://yandex.com/bots |
| 9 | 143 | 0.37 | 64 | 0.94 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 60 | 0.16 | 18 | 0.27 | +http://www.semrush.com/bot.html |
| 11 | 49 | 0.13 | 38 | 0.56 | +http://www.uptime.com/uptimebot |
| 12 | 46 | 0.12 | 2 | 0.03 | +http://webmeup-crawler.com/ |
| 13 | 45 | 0.12 | 3 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 14 | 40 | 0.10 | 16 | 0.24 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 32 | 0.08 | 2 | 0.03 | +http://www.warebay.com/bot.html |
| 16 | 32 | 0.08 | 27 | 0.40 | http://www.bing.com/bingbot.htm |
| 17 | 30 | 0.08 | 13 | 0.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 26 | 0.07 | 18 | 0.27 | +http://ahrefs.com/robot/ |
| 19 | 24 | 0.06 | 6 | 0.09 | +http://www.profound.net/domainappender |
| 20 | 24 | 0.06 | 12 | 0.18 | +http://duckduckgo.com |
| 21 | 21 | 0.05 | 21 | 0.31 | http://www.openfos.com |
| 22 | 21 | 0.05 | 21 | 0.31 | http://www.topicway.com |
| 23 | 18 | 0.05 | 9 | 0.13 | +http://www.exabot.com/go/robot |
| 24 | 16 | 0.04 | 4 | 0.06 | +http://fulltext.sblog.cz/ |
| 25 | 13 | 0.03 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 26 | 13 | 0.03 | 1 | 0.01 | Linux i586 [unknown version] |
| 27 | 12 | 0.03 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 28 | 10 | 0.03 | 1 | 0.01 | crawler@mixrank.com |
| 29 | 5 | 0.01 | 2 | 0.03 | Windows 98 |
| 30 | 4 | 0.01 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 3 | 0.01 | 1 | 0.01 | Windows CE |
| 32 | 3 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 33 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 34 | 2 | 0.01 | 2 | 0.03 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 35 | 2 | 0.01 | 2 | 0.03 | +http://www.privacyaware.org |
| 36 | 2 | 0.01 | 1 | 0.01 | FreeBSD 4.x |
| 37 | 2 | 0.01 | 0 | 0.00 | AmigaOS/MC680x0 |
| 38 | 2 | 0.01 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 39 | 2 | 0.01 | 0 | 0.00 | +; |
| 40 | 1 | 0.00 | 1 | 0.01 | +https://gimmeusa.com/crawler.html |
| 41 | 1 | 0.00 | 1 | 0.01 | Android 2.3.5 |
| 42 | 1 | 0.00 | 1 | 0.01 | Android 2.2 |
| 43 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 44 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
