| Used Operating Systems |
| 1 | 44080 | 70.79 | 17919 | 69.73 | Windows NT |
| 2 | 3663 | 5.88 | 2347 | 9.13 | +http://www.baidu.com/search/spider.html |
| 3 | 3392 | 5.45 | 1188 | 4.62 | +http://www.google.com/bot.html |
| 4 | 3089 | 4.96 | 1422 | 5.53 | MSIE 5.5; Windows NT 5.0 |
| 5 | 1745 | 2.80 | 828 | 3.22 | +http://www.bing.com/bingbot.htm |
| 6 | 964 | 1.55 | 119 | 0.46 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 807 | 1.30 | 394 | 1.53 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 781 | 1.25 | 199 | 0.77 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 525 | 0.84 | 281 | 1.09 | +http://www.easou.com/search/spider.html |
| 10 | 393 | 0.63 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 11 | 341 | 0.55 | 273 | 1.06 | +http://ahrefs.com/robot/ |
| 12 | 340 | 0.55 | 96 | 0.37 | +http://yandex.com/bots |
| 13 | 290 | 0.47 | 2 | 0.01 | Intel Mac OS X 10.4 |
| 14 | 217 | 0.35 | 73 | 0.28 | Windows 95 |
| 15 | 205 | 0.33 | 63 | 0.25 | +http://help.coccoc.com/ |
| 16 | 195 | 0.31 | 114 | 0.44 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 187 | 0.30 | 115 | 0.45 | Windows 98 |
| 18 | 130 | 0.21 | 7 | 0.03 | +http://www.semrush.com/bot.html |
| 19 | 129 | 0.21 | 17 | 0.07 | Android |
| 20 | 87 | 0.14 | 25 | 0.10 | +http://www.linkdex.com/bots/ |
| 21 | 62 | 0.10 | 6 | 0.02 | +http://www.exabot.com/go/robot |
| 22 | 49 | 0.08 | 26 | 0.10 | +http://help.naver.com/robots/ |
| 23 | 43 | 0.07 | 14 | 0.05 | Windows ME |
| 24 | 40 | 0.06 | 15 | 0.06 | Windows 2000 |
| 25 | 40 | 0.06 | 14 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 26 | 38 | 0.06 | 5 | 0.02 | J2ME/MIDP |
| 27 | 38 | 0.06 | 2 | 0.01 | BlackBerry |
| 28 | 35 | 0.06 | 14 | 0.05 | Windows 3.1 |
| 29 | 34 | 0.05 | 11 | 0.04 | Windows XP |
| 30 | 29 | 0.05 | 12 | 0.05 | +http://siteexplorer.info/ |
| 31 | 28 | 0.04 | 7 | 0.03 | +http://www.domaintuno.com/robot |
| 32 | 24 | 0.04 | 9 | 0.04 | Windows CE |
| 33 | 22 | 0.04 | 9 | 0.04 | +http://fulltext.sblog.cz/ |
| 34 | 19 | 0.03 | 1 | 0.00 | http://www.lipperhey.com/ |
| 35 | 19 | 0.03 | 2 | 0.01 | +http://www.seokicks.de/robot.html |
| 36 | 15 | 0.02 | 1 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 37 | 15 | 0.02 | 3 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 38 | 13 | 0.02 | 6 | 0.02 | support.voilabot@orange.com |
| 39 | 11 | 0.02 | 1 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 40 | 10 | 0.02 | 5 | 0.02 | +http://www.xovibot.net/ |
| 41 | 10 | 0.02 | 10 | 0.04 | +http://flipboard.com/browserproxy |
| 42 | 9 | 0.01 | 9 | 0.04 | Linux [unknown version] |
| 43 | 9 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 44 | 9 | 0.01 | 1 | 0.00 | MAUI Runtime |
| 45 | 8 | 0.01 | 3 | 0.01 | http://crawler.sistrix.net/ |
| 46 | 8 | 0.01 | 1 | 0.00 | +http://prlog.ru/ |
| 47 | 8 | 0.01 | 3 | 0.01 | X11 |
| 48 | 7 | 0.01 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 49 | 7 | 0.01 | 3 | 0.01 | Linux i686 [unknown version] |
| 50 | 7 | 0.01 | 1 | 0.00 | +http://www.aihitdata.com/about |
| 51 | 6 | 0.01 | 0 | 0.00 | Windows 9. |
| 52 | 6 | 0.01 | 2 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 53 | 5 | 0.01 | 3 | 0.01 | X11; i686; fr fr_FR |
| 54 | 4 | 0.01 | 1 | 0.00 | +http://www.parsijoo.ir/; ehsan.mousakaz... |
| 55 | 3 | 0.00 | 1 | 0.00 | Macintosh PPC |
| 56 | 3 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 57 | 2 | 0.00 | 1 | 0.00 | X11; i686; en_US |
| 58 | 2 | 0.00 | 2 | 0.01 | +http://fb02itsscan.fh-muenster.de |
| 59 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 60 | 2 | 0.00 | 0 | 0.00 | Windows 99 |
| 61 | 2 | 0.00 | 1 | 0.00 | +https://www.mojeek.com/bot.html |
| 62 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 63 | 2 | 0.00 | 1 | 0.00 | ANTFresco/2.17; RISC OS-NC 5.13 Laz1UK13... |
| 64 | 1 | 0.00 | 1 | 0.00 | Macintosh; U; PPC Mac OS X |
| 65 | 1 | 0.00 | 1 | 0.00 | Intel Mac OS X 10.5 |
| 66 | 1 | 0.00 | 1 | 0.00 | +http://www.grapeshot.co.uk/crawler.php |
| 67 | 1 | 0.00 | 1 | 0.00 | +http://wmaid.com/en/explore/ |