| Used Operating Systems |
| 1 | 4359 | 34.45 | 143 | 2.68 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3772 | 29.81 | 3207 | 60.16 | +http://www.baidu.com/search/spider.html |
| 3 | 1474 | 11.65 | 772 | 14.48 | Windows NT |
| 4 | 894 | 7.07 | 421 | 7.90 | +http://www.bing.com/bingbot.htm |
| 5 | 850 | 6.72 | 443 | 8.31 | +http://www.google.com/bot.html |
| 6 | 312 | 2.47 | 75 | 1.41 | +http://www.linkdex.com/bots/ |
| 7 | 224 | 1.77 | 48 | 0.90 | +http://yandex.com/bots |
| 8 | 107 | 0.85 | 1 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 9 | 103 | 0.81 | 50 | 0.94 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 82 | 0.65 | 34 | 0.64 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 57 | 0.45 | 9 | 0.17 | +http://fulltext.sblog.cz/ |
| 12 | 53 | 0.42 | 32 | 0.60 | +http://ahrefs.com/robot/ |
| 13 | 48 | 0.38 | 3 | 0.06 | +http://webmeup-crawler.com/ |
| 14 | 43 | 0.34 | 1 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 15 | 40 | 0.32 | 4 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 16 | 36 | 0.28 | 14 | 0.26 | +http://www.semrush.com/bot.html |
| 17 | 30 | 0.24 | 3 | 0.06 | +http://advbot.net/bot.html |
| 18 | 27 | 0.21 | 12 | 0.23 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 24 | 0.19 | 12 | 0.23 | +http://help.coccoc.com/ |
| 20 | 20 | 0.16 | 4 | 0.08 | +http://www.profound.net/domainappender |
| 21 | 19 | 0.15 | 8 | 0.15 | +http://www.exabot.com/go/robot |
| 22 | 8 | 0.06 | 1 | 0.02 | http://www.lipperhey.com/ |
| 23 | 7 | 0.06 | 7 | 0.13 | +http://www.domaintuno.com/robot |
| 24 | 7 | 0.06 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 25 | 6 | 0.05 | 6 | 0.11 | +http://pmoz.info/doc/botinfo.htm |
| 26 | 6 | 0.05 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 27 | 6 | 0.05 | 0 | 0.00 | Windows 98 |
| 28 | 6 | 0.05 | 3 | 0.06 | +http://duckduckgo.com |
| 29 | 4 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 30 | 4 | 0.03 | 1 | 0.02 | +http://medialine-it.com |
| 31 | 4 | 0.03 | 2 | 0.04 | +info@netcraft.com |
| 32 | 4 | 0.03 | 2 | 0.04 | +http://gimme60.com |
| 33 | 4 | 0.03 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 34 | 4 | 0.03 | 2 | 0.04 | +; |
| 35 | 3 | 0.02 | 3 | 0.06 | Linux i686 [unknown version] |
| 36 | 2 | 0.02 | 1 | 0.02 | http://crawler.sistrix.net/ |
| 37 | 2 | 0.02 | 2 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 38 | 1 | 0.01 | 1 | 0.02 | +http://support.embed.ly/ |
| 39 | 1 | 0.01 | 1 | 0.02 | WinHttp.WinHttpRequest.5 |
