| Used Operating Systems |
| 1 | 20433 | 34.61 | 358 | 3.47 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12696 | 21.51 | 3284 | 31.85 | Windows NT |
| 3 | 9306 | 15.76 | 1770 | 17.17 | +http://www.bing.com/bingbot.htm |
| 4 | 4138 | 7.01 | 1283 | 12.44 | +http://www.google.com/bot.html |
| 5 | 3413 | 5.78 | 4 | 0.04 | http://crawler.sistrix.net/ |
| 6 | 2321 | 3.93 | 818 | 7.93 | +http://www.easou.com/search/spider.html |
| 7 | 1610 | 2.73 | 1417 | 13.74 | +http://www.baidu.com/search/spider.html |
| 8 | 1000 | 1.69 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 9 | 853 | 1.44 | 410 | 3.98 | +http://www.linkdex.com/bots/ |
| 10 | 813 | 1.38 | 13 | 0.13 | Windows 98 |
| 11 | 407 | 0.69 | 194 | 1.88 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 400 | 0.68 | 186 | 1.80 | +http://www.linkdex.com/about/bots/ |
| 13 | 363 | 0.61 | 115 | 1.12 | +http://yandex.com/bots |
| 14 | 229 | 0.39 | 82 | 0.80 | help@moz.com |
| 15 | 210 | 0.36 | 85 | 0.82 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 140 | 0.24 | 2 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 17 | 137 | 0.23 | 83 | 0.81 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 111 | 0.19 | 6 | 0.06 | +http://www.yunyun.com/spider.html |
| 19 | 83 | 0.14 | 46 | 0.45 | +http://www.exabot.com/go/robot |
| 20 | 65 | 0.11 | 33 | 0.32 | +http://www.proximic.com/info/spider.php |
| 21 | 52 | 0.09 | 20 | 0.19 | X11 |
| 22 | 44 | 0.07 | 4 | 0.04 | +http://www.profound.net/urlappendbot.ht... |
| 23 | 31 | 0.05 | 10 | 0.10 | Android 2.3.5 |
| 24 | 24 | 0.04 | 12 | 0.12 | Linux i686 [unknown version] |
| 25 | 19 | 0.03 | 6 | 0.06 | Windows 3.1 |
| 26 | 14 | 0.02 | 10 | 0.10 | Windows 95 |
| 27 | 13 | 0.02 | 8 | 0.08 | +http://www.grapeshot.co.uk/crawler.php |
| 28 | 12 | 0.02 | 6 | 0.06 | +http://www.netseer.com/crawler.html; cr... |
| 29 | 12 | 0.02 | 6 | 0.06 | +http://help.coccoc.com/ |
| 30 | 9 | 0.02 | 2 | 0.02 | Linux [unknown version] |
| 31 | 8 | 0.01 | 2 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 32 | 6 | 0.01 | 3 | 0.03 | +http://fulltext.sblog.cz/ |
| 33 | 4 | 0.01 | 2 | 0.02 | +http://webmeup-crawler.com/ |
| 34 | 3 | 0.01 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 35 | 3 | 0.01 | 1 | 0.01 | Windows 92 |
| 36 | 3 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 37 | 3 | 0.01 | 3 | 0.03 | +http://www.loadtime.net/bot.html |
| 38 | 2 | 0.00 | 2 | 0.02 | Windows 2000 |
| 39 | 2 | 0.00 | 1 | 0.01 | Win32 |
| 40 | 2 | 0.00 | 2 | 0.02 | Windows CE |
| 41 | 2 | 0.00 | 2 | 0.02 | Macintosh PPC |
| 42 | 2 | 0.00 | 2 | 0.02 | BeOS |
| 43 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 44 | 2 | 0.00 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 45 | 2 | 0.00 | 1 | 0.01 | +http://zemlyaozer.com/bot |
| 46 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 47 | 1 | 0.00 | 0 | 0.00 | webcrawler at wise-guys dot nl; http://w... |
| 48 | 1 | 0.00 | 0 | 0.00 | http://www.searchme.com/support/ |
| 49 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 50 | 1 | 0.00 | 0 | 0.00 | http://www.peew.de/crawler/ |
| 51 | 1 | 0.00 | 1 | 0.01 | +http://www.evri.com/evrinid |
| 52 | 1 | 0.00 | 1 | 0.01 | +http://www.ellerdale.com/crawler.html |
| 53 | 1 | 0.00 | 0 | 0.00 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 54 | 1 | 0.00 | 0 | 0.00 | LBBROWSER |
| 55 | 1 | 0.00 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 56 | 1 | 0.00 | 1 | 0.01 | +http://page2rss.com/ |
| 57 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 58 | 1 | 0.00 | 0 | 0.00 | +http://support.embed.ly/ |
| 59 | 1 | 0.00 | 0 | 0.00 | Windows 9x |
| 60 | 1 | 0.00 | 0 | 0.00 | SunOS |
| 61 | 1 | 0.00 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 62 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 63 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X Mach-O |
| 64 | 1 | 0.00 | 1 | 0.01 | +http://shoulu.jike.com/spider.html |
| 65 | 1 | 0.00 | 0 | 0.00 | +http://www.xmarks.com/about/crawler; in... |
| 66 | 1 | 0.00 | 1 | 0.01 | +http://www.blinka.jp/crawler/ |
| 67 | 1 | 0.00 | 1 | 0.01 | +http://monoid.nic.ru/ |
| 68 | 1 | 0.00 | 0 | 0.00 | http://nlp.fi.muni.cz/projects/biwec/ |
| 69 | 1 | 0.00 | 0 | 0.00 | +http://fulltext.sblog.cz/screenshot/ |
| 70 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 71 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 72 | 1 | 0.00 | 0 | 0.00 | +http://about.depspid.net |
