| Used Operating Systems |
| 1 | 8297 | 36.02 | 3003 | 54.84 | Windows NT |
| 2 | 7798 | 33.85 | 145 | 2.65 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 3188 | 13.84 | 286 | 5.22 | +http://www.google.com/bot.html |
| 4 | 1581 | 6.86 | 1461 | 26.68 | +http://www.baidu.com/search/spider.html |
| 5 | 608 | 2.64 | 257 | 4.69 | +http://www.bing.com/bingbot.htm |
| 6 | 424 | 1.84 | 13 | 0.24 | Windows 98 |
| 7 | 223 | 0.97 | 32 | 0.58 | +http://yandex.com/bots |
| 8 | 133 | 0.58 | 49 | 0.89 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 83 | 0.36 | 34 | 0.62 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 80 | 0.35 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 11 | 80 | 0.35 | 25 | 0.46 | help@moz.com |
| 12 | 75 | 0.33 | 5 | 0.09 | http://www.searchmetrics.com/en/searchme... |
| 13 | 68 | 0.30 | 15 | 0.27 | +http://www.easou.com/search/spider.html |
| 14 | 58 | 0.25 | 20 | 0.37 | +http://www.linkdex.com/about/bots/ |
| 15 | 44 | 0.19 | 15 | 0.27 | +http://www.exabot.com/go/robot |
| 16 | 40 | 0.17 | 17 | 0.31 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 32 | 0.14 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 18 | 30 | 0.13 | 11 | 0.20 | X11 |
| 19 | 23 | 0.10 | 10 | 0.18 | +http://fulltext.sblog.cz/ |
| 20 | 20 | 0.09 | 9 | 0.16 | Linux i686 [unknown version] |
| 21 | 18 | 0.08 | 10 | 0.18 | +http://www.linkdex.com/bots/ |
| 22 | 17 | 0.07 | 0 | 0.00 | Android 2.3.5 |
| 23 | 16 | 0.07 | 3 | 0.05 | Linux [unknown version] |
| 24 | 12 | 0.05 | 3 | 0.05 | +http://filterdb.iss.net/crawler/ |
| 25 | 9 | 0.04 | 9 | 0.16 | Windows 95 |
| 26 | 6 | 0.03 | 2 | 0.04 | Intel Mac OS X 10.6 |
| 27 | 4 | 0.02 | 2 | 0.04 | Auto; Windows |
| 28 | 4 | 0.02 | 1 | 0.02 | AOL 9.0; AOLBuild 4327.271; Windows NT 6... |
| 29 | 4 | 0.02 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 30 | 4 | 0.02 | 4 | 0.07 | Windows 3.1 |
| 31 | 4 | 0.02 | 1 | 0.02 | PPC Mac OS X Mach-O |
| 32 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X 10.6.8; Tasman 1.0 |
| 33 | 3 | 0.01 | 3 | 0.05 | Macintosh PPC |
| 34 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X 10.5.8; Tasman 1.0 |
| 35 | 3 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 36 | 3 | 0.01 | 3 | 0.05 | Windows ME |
| 37 | 3 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 38 | 3 | 0.01 | 3 | 0.05 | +http://www.loadtime.net/bot.html |
| 39 | 2 | 0.01 | 0 | 0.00 | BlackBerry |
| 40 | 2 | 0.01 | 1 | 0.02 | +http://www.yunyun.com/spider.html |
| 41 | 2 | 0.01 | 2 | 0.04 | +http://www.infohelfer.de/crawler.php |
| 42 | 2 | 0.01 | 1 | 0.02 | Windows XP |
| 43 | 2 | 0.01 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 44 | 2 | 0.01 | 1 | 0.02 | http://nlp.fi.muni.cz/projects/biwec/ |
| 45 | 2 | 0.01 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 46 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 47 | 1 | 0.00 | 1 | 0.02 | webcrawler at wise-guys dot nl; http://w... |
| 48 | 1 | 0.00 | 1 | 0.02 | Windows 2000 |
| 49 | 1 | 0.00 | 1 | 0.02 | Intel Mac OS X 10.5 |
| 50 | 1 | 0.00 | 1 | 0.02 | +http://www.proximic.com/info/spider.php |
| 51 | 1 | 0.00 | 1 | 0.02 | +http://user-agent-string.info/UASlinkCh... |
| 52 | 1 | 0.00 | 1 | 0.02 | +http://www.dotsemantic.org |
| 53 | 1 | 0.00 | 1 | 0.02 | BeOS BePC |
| 54 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 55 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 56 | 1 | 0.00 | 0 | 0.00 | +http://about.depspid.net |
| 57 | 1 | 0.00 | 1 | 0.02 | Haiku BePC |
| 58 | 1 | 0.00 | 1 | 0.02 | +http://ego.ms.mff.cuni.cz/ |
| 59 | 1 | 0.00 | 1 | 0.02 | +http://wmaid.com/explore/ |
| 60 | 1 | 0.00 | 1 | 0.02 | +http://fulltext.sblog.cz/screenshot/ |
| 61 | 1 | 0.00 | 1 | 0.02 | +http://k311.fd.cvut.cz/ |
| 62 | 1 | 0.00 | 0 | 0.00 | FreeBSD [unknown version] |
