| Used Operating Systems |
| 1 | 8252 | 32.94 | 2068 | 26.52 | Windows NT |
| 2 | 4239 | 16.92 | 860 | 11.03 | +http://www.bing.com/bingbot.htm |
| 3 | 3393 | 13.54 | 3062 | 39.27 | +http://www.baidu.com/search/spider.html |
| 4 | 1872 | 7.47 | 288 | 3.69 | help@moz.com |
| 5 | 1476 | 5.89 | 6 | 0.08 | +http://www.seoprofiler.com/bot |
| 6 | 1466 | 5.85 | 165 | 2.12 | +http://yandex.com/bots |
| 7 | 1373 | 5.48 | 366 | 4.69 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 1346 | 5.37 | 550 | 7.05 | +http://www.google.com/bot.html |
| 9 | 476 | 1.90 | 67 | 0.86 | ezooms.bot@gmail.com |
| 10 | 178 | 0.71 | 15 | 0.19 | +http://siteexplorer.info/ |
| 11 | 100 | 0.40 | 37 | 0.47 | +http://www.semrush.com/bot.html |
| 12 | 96 | 0.38 | 50 | 0.64 | +http://help.coccoc.com/ |
| 13 | 80 | 0.32 | 36 | 0.46 | +http://www.career-x.de/bot.html |
| 14 | 66 | 0.26 | 25 | 0.32 | +http://www.exabot.com/go/robot |
| 15 | 60 | 0.24 | 33 | 0.42 | +http://www.easou.com/search/spider.html |
| 16 | 56 | 0.22 | 19 | 0.24 | Windows 98 |
| 17 | 53 | 0.21 | 19 | 0.24 | Windows 95 |
| 18 | 40 | 0.16 | 4 | 0.05 | http://www.searchmetrics.com/en/searchme... |
| 19 | 40 | 0.16 | 2 | 0.03 | +http://fulltext.sblog.cz/screenshot/ |
| 20 | 34 | 0.14 | 6 | 0.08 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 33 | 0.13 | 15 | 0.19 | +http://www.linkdex.com/about/bots/ |
| 22 | 29 | 0.12 | 11 | 0.14 | +http://www.yunyun.com/spider.html |
| 23 | 26 | 0.10 | 0 | 0.00 | Windows 9. |
| 24 | 26 | 0.10 | 13 | 0.17 | MSIE 5.5; Windows NT 5.0 |
| 25 | 22 | 0.09 | 3 | 0.04 | Windows 92 |
| 26 | 21 | 0.08 | 9 | 0.12 | +http://fulltext.sblog.cz/ |
| 27 | 20 | 0.08 | 8 | 0.10 | http://help.yahoo.com/help/us/ysearch/sl... |
| 28 | 18 | 0.07 | 9 | 0.12 | http://crawler.sistrix.net/ |
| 29 | 18 | 0.07 | 6 | 0.08 | Windows 3.1 |
| 30 | 15 | 0.06 | 5 | 0.06 | Windows 2000 |
| 31 | 13 | 0.05 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 32 | 9 | 0.04 | 3 | 0.04 | Auto; Windows |
| 33 | 8 | 0.03 | 2 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 34 | 8 | 0.03 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 35 | 7 | 0.03 | 0 | 0.00 | Win32 |
| 36 | 6 | 0.02 | 1 | 0.01 | Windows CE |
| 37 | 6 | 0.02 | 0 | 0.00 | BeOS BePC |
| 38 | 6 | 0.02 | 2 | 0.03 | Windows ME |
| 39 | 6 | 0.02 | 2 | 0.03 | +info@netcraft.com |
| 40 | 6 | 0.02 | 3 | 0.04 | +http://botw.org |
| 41 | 6 | 0.02 | 0 | 0.00 | Macintosh |
| 42 | 5 | 0.02 | 5 | 0.06 | +http://pmoz.info/doc/botinfo.htm |
| 43 | 4 | 0.02 | 2 | 0.03 | +http://www.netseer.com/crawler.html; cr... |
| 44 | 4 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 45 | 4 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 46 | 4 | 0.02 | 2 | 0.03 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 47 | 4 | 0.02 | 4 | 0.05 | Linux i686 [unknown version] |
| 48 | 4 | 0.02 | 3 | 0.04 | +http://emefge.de/bot.html |
| 49 | 2 | 0.01 | 2 | 0.03 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 50 | 2 | 0.01 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 51 | 2 | 0.01 | 2 | 0.03 | +http://www.compspy.com/spider.html |
| 52 | 2 | 0.01 | 0 | 0.00 | +http://images.weserv.nl/ |
| 53 | 2 | 0.01 | 2 | 0.03 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
| 54 | 2 | 0.01 | 1 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 55 | 2 | 0.01 | 0 | 0.00 | +http://www.yunyun.com/SiteInfo.php?r=ab... |
| 56 | 2 | 0.01 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 57 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 58 | 1 | 0.00 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
