| Used Operating Systems |
| 1 | 8757 | 33.12 | 7591 | 64.61 | +http://www.baidu.com/search/spider.html |
| 2 | 6993 | 26.45 | 1734 | 14.76 | Windows NT |
| 3 | 2271 | 8.59 | 661 | 5.63 | +http://www.bing.com/bingbot.htm |
| 4 | 1756 | 6.64 | 318 | 2.71 | help@moz.com |
| 5 | 1701 | 6.43 | 8 | 0.07 | +http://www.seoprofiler.com/bot |
| 6 | 1182 | 4.47 | 447 | 3.80 | +http://www.google.com/bot.html |
| 7 | 1157 | 4.38 | 366 | 3.12 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 727 | 2.75 | 144 | 1.23 | +http://yandex.com/bots |
| 9 | 362 | 1.37 | 33 | 0.28 | +http://www.profound.net/urlappendbot.ht... |
| 10 | 257 | 0.97 | 81 | 0.69 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 225 | 0.85 | 9 | 0.08 | +http://siteexplorer.info/ |
| 12 | 205 | 0.78 | 101 | 0.86 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 181 | 0.68 | 14 | 0.12 | +http://www.semrush.com/bot.html |
| 14 | 88 | 0.33 | 44 | 0.37 | +http://help.coccoc.com/ |
| 15 | 81 | 0.31 | 36 | 0.31 | +http://www.exabot.com/go/robot |
| 16 | 62 | 0.23 | 26 | 0.22 | +http://www.career-x.de/bot.html |
| 17 | 48 | 0.18 | 8 | 0.07 | http://www.google.com/bot.html |
| 18 | 42 | 0.16 | 22 | 0.19 | +http://www.easou.com/search/spider.html |
| 19 | 32 | 0.12 | 12 | 0.10 | +http://www.linkdex.com/about/bots/ |
| 20 | 31 | 0.12 | 13 | 0.11 | +http://www.yunyun.com/spider.html |
| 21 | 25 | 0.09 | 8 | 0.07 | Windows 95 |
| 22 | 23 | 0.09 | 1 | 0.01 | +http://fulltext.sblog.cz/screenshot/ |
| 23 | 22 | 0.08 | 4 | 0.03 | http://www.searchmetrics.com/en/searchme... |
| 24 | 22 | 0.08 | 0 | 0.00 | Windows 9. |
| 25 | 18 | 0.07 | 9 | 0.08 | http://crawler.sistrix.net/ |
| 26 | 16 | 0.06 | 4 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 27 | 12 | 0.05 | 6 | 0.05 | +http://fulltext.sblog.cz/ |
| 28 | 10 | 0.04 | 2 | 0.02 | Intel Mac OS X 10.6 |
| 29 | 9 | 0.03 | 0 | 0.00 | http://desktop.google.com/ |
| 30 | 9 | 0.03 | 3 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 31 | 8 | 0.03 | 4 | 0.03 | +http://www.netseer.com/crawler.html; cr... |
| 32 | 8 | 0.03 | 2 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 33 | 8 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 34 | 8 | 0.03 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 35 | 8 | 0.03 | 4 | 0.03 | Windows 98 |
| 36 | 8 | 0.03 | 4 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 37 | 6 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 38 | 6 | 0.02 | 2 | 0.02 | Auto; Windows |
| 39 | 6 | 0.02 | 2 | 0.02 | Android |
| 40 | 6 | 0.02 | 3 | 0.03 | ScoutJet; +http://blekko.com/about/blekk... |
| 41 | 4 | 0.02 | 2 | 0.02 | http://linkfluence.net/; bot@linkfluence... |
| 42 | 4 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 43 | 4 | 0.02 | 0 | 0.00 | +http://images.weserv.nl/ |
| 44 | 4 | 0.02 | 2 | 0.02 | +http://botw.org |
| 45 | 4 | 0.02 | 1 | 0.01 | Macintosh |
| 46 | 3 | 0.01 | 2 | 0.02 | +http://www.proximic.com/info/spider.php |
| 47 | 3 | 0.01 | 3 | 0.03 | Linux i686 [unknown version] |
| 48 | 2 | 0.01 | 0 | 0.00 | Win32 |
| 49 | 2 | 0.01 | 2 | 0.02 | +http://pmoz.info/doc/botinfo.htm |
| 50 | 2 | 0.01 | 2 | 0.02 | mailto: crawling@ubermetrics-technologie... |
| 51 | 2 | 0.01 | 2 | 0.02 | http://support.paper.li/entries/20023257... |
| 52 | 2 | 0.01 | 2 | 0.02 | +http://tweetmeme.com/ |
| 53 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 54 | 2 | 0.01 | 0 | 0.00 | Android 4.4.2 |
| 55 | 2 | 0.01 | 2 | 0.02 | WinHttp.WinHttpRequest.5 |
| 56 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 57 | 1 | 0.00 | 0 | 0.00 | Windows Phone OS 7.5 |
| 58 | 1 | 0.00 | 1 | 0.01 | X11 |
