| Used Operating Systems |
| 1 | 3965 | 22.10 | 2443 | 49.17 | +http://www.baidu.com/search/spider.html |
| 2 | 3827 | 21.33 | 1058 | 21.30 | Windows NT |
| 3 | 2346 | 13.08 | 84 | 1.69 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 1560 | 8.70 | 514 | 10.35 | +http://www.bing.com/bingbot.htm |
| 5 | 979 | 5.46 | 278 | 5.60 | +http://www.google.com/bot.html |
| 6 | 932 | 5.20 | 3 | 0.06 | +http://webmeup-crawler.com/ |
| 7 | 877 | 4.89 | 3 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 8 | 733 | 4.09 | 92 | 1.85 | +http://yandex.com/bots |
| 9 | 567 | 3.16 | 139 | 2.80 | +http://ahrefs.com/robot/ |
| 10 | 401 | 2.24 | 2 | 0.04 | http://crawler.sistrix.net/ |
| 11 | 316 | 1.76 | 8 | 0.16 | Android |
| 12 | 316 | 1.76 | 99 | 1.99 | +http://www.linkdex.com/bots/ |
| 13 | 206 | 1.15 | 33 | 0.66 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 187 | 1.04 | 36 | 0.72 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 186 | 1.04 | 45 | 0.91 | +http://www.easou.com/search/spider.html |
| 16 | 121 | 0.67 | 34 | 0.68 | +http://www.semrush.com/bot.html |
| 17 | 119 | 0.66 | 26 | 0.52 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 55 | 0.31 | 2 | 0.04 | +http://advbot.net/bot.html |
| 19 | 54 | 0.30 | 1 | 0.02 | +http://fulltext.sblog.cz/ |
| 20 | 24 | 0.13 | 2 | 0.04 | crawler@mixrank.com |
| 21 | 24 | 0.13 | 8 | 0.16 | +http://www.xovibot.net/ |
| 22 | 21 | 0.12 | 1 | 0.02 | WinHttp.WinHttpRequest.5 |
| 23 | 20 | 0.11 | 5 | 0.10 | +http://www.exabot.com/go/robot |
| 24 | 15 | 0.08 | 9 | 0.18 | Linux i686 [unknown version] |
| 25 | 14 | 0.08 | 2 | 0.04 | +http://www.profound.net/domainappender |
| 26 | 8 | 0.04 | 4 | 0.08 | +http://help.naver.com/robots/ |
| 27 | 8 | 0.04 | 4 | 0.08 | +http://duckduckgo.com |
| 28 | 5 | 0.03 | 2 | 0.04 | Windows 98 |
| 29 | 5 | 0.03 | 5 | 0.10 | +http://domainsigma.com/robot |
| 30 | 4 | 0.02 | 2 | 0.04 | support.orangebot@orange.com |
| 31 | 4 | 0.02 | 2 | 0.04 | Mail.RU_Bot/Robots; +http://go.mail.ru/h... |
| 32 | 4 | 0.02 | 4 | 0.08 | Linux [unknown version] |
| 33 | 4 | 0.02 | 2 | 0.04 | +http://gimme60.com |
| 34 | 4 | 0.02 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 35 | 4 | 0.02 | 1 | 0.02 | +http://get4dl.net |
| 36 | 3 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 37 | 3 | 0.02 | 2 | 0.04 | firefox 5.0 |
| 38 | 2 | 0.01 | 2 | 0.04 | Series 60 |
| 39 | 2 | 0.01 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 40 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 41 | 2 | 0.01 | 0 | 0.00 | +http://help.coccoc.com/ |
| 42 | 2 | 0.01 | 1 | 0.02 | +http://www.wevika.de/ |
| 43 | 2 | 0.01 | 1 | 0.02 | X11 |
| 44 | 2 | 0.01 | 2 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 45 | 1 | 0.01 | 0 | 0.00 | MSIE 9.0; Windows NT 6.1; en-US |
| 46 | 1 | 0.01 | 1 | 0.02 | Intel Mac OS X |
| 47 | 1 | 0.01 | 1 | 0.02 | Windows 95 |
| 48 | 1 | 0.01 | 1 | 0.02 | +; |
