| Used Operating Systems |
| 1 | 13314 | 28.12 | 343 | 2.23 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 13086 | 27.64 | 4167 | 27.11 | Windows NT |
| 3 | 11137 | 23.52 | 8505 | 55.34 | +http://www.baidu.com/search/spider.html |
| 4 | 2995 | 6.33 | 602 | 3.92 | +http://www.bing.com/bingbot.htm |
| 5 | 1357 | 2.87 | 469 | 3.05 | +http://www.google.com/bot.html |
| 6 | 1273 | 2.69 | 83 | 0.54 | +http://yandex.com/bots |
| 7 | 752 | 1.59 | 157 | 1.02 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 664 | 1.40 | 145 | 0.94 | help@moz.com |
| 9 | 502 | 1.06 | 382 | 2.49 | +http://www.easou.com/search/spider.html |
| 10 | 392 | 0.83 | 25 | 0.16 | Windows 98 |
| 11 | 383 | 0.81 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 12 | 380 | 0.80 | 135 | 0.88 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 226 | 0.48 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 14 | 213 | 0.45 | 130 | 0.85 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 109 | 0.23 | 43 | 0.28 | Windows 95 |
| 16 | 84 | 0.18 | 26 | 0.17 | +http://www.linkdex.com/about/bots/ |
| 17 | 74 | 0.16 | 26 | 0.17 | +http://www.exabot.com/go/robot |
| 18 | 52 | 0.11 | 3 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 19 | 45 | 0.10 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 20 | 40 | 0.08 | 10 | 0.07 | X11 |
| 21 | 39 | 0.08 | 27 | 0.18 | +http://ahrefs.com/robot/ |
| 22 | 36 | 0.08 | 15 | 0.10 | +http://www.linkdex.com/bots/ |
| 23 | 19 | 0.04 | 7 | 0.05 | Windows CE |
| 24 | 19 | 0.04 | 7 | 0.05 | http://crawler.sistrix.net/ |
| 25 | 19 | 0.04 | 11 | 0.07 | Linux i686 [unknown version] |
| 26 | 15 | 0.03 | 5 | 0.03 | Android 2.3.5 |
| 27 | 13 | 0.03 | 3 | 0.02 | Linux [unknown version] |
| 28 | 12 | 0.03 | 4 | 0.03 | Auto; Windows |
| 29 | 12 | 0.03 | 3 | 0.02 | Windows XP |
| 30 | 10 | 0.02 | 5 | 0.03 | Windows 3.1 |
| 31 | 8 | 0.02 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 32 | 8 | 0.02 | 4 | 0.03 | ScoutJet; +http://blekko.com/about/blekk... |
| 33 | 6 | 0.01 | 4 | 0.03 | Windows ME |
| 34 | 4 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 35 | 4 | 0.01 | 0 | 0.00 | Windows 9. |
| 36 | 4 | 0.01 | 1 | 0.01 | +http://www.yunyun.com/spider.html |
| 37 | 3 | 0.01 | 1 | 0.01 | Windows 2000 |
| 38 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 39 | 3 | 0.01 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 40 | 3 | 0.01 | 2 | 0.01 | MSIE 5.5; Windows 95 |
| 41 | 2 | 0.00 | 2 | 0.01 | http://about.ask.com/en/docs/about/webma... |
| 42 | 2 | 0.00 | 0 | 0.00 | Win32 |
| 43 | 2 | 0.00 | 2 | 0.01 | +http://support.embed.ly/ |
| 44 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 45 | 2 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 46 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 47 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 48 | 2 | 0.00 | 2 | 0.01 | Intel Mac OS X 10.6 |
| 49 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 50 | 1 | 0.00 | 0 | 0.00 | http://www.yoono.com/ |
| 51 | 1 | 0.00 | 0 | 0.00 | http://misc.yahoo.com.cn/help.html |
| 52 | 1 | 0.00 | 1 | 0.01 | http://www.searchme.com/support/ |
| 53 | 1 | 0.00 | 0 | 0.00 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 54 | 1 | 0.00 | 0 | 0.00 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 55 | 1 | 0.00 | 1 | 0.01 | OpenBSD [unknown version] |
| 56 | 1 | 0.00 | 0 | 0.00 | +http://www.openindex.io/en/webmasters/s... |
| 57 | 1 | 0.00 | 1 | 0.01 | +http://user-agent-string.info/UASlinkCh... |
| 58 | 1 | 0.00 | 0 | 0.00 | +http://www.dotsemantic.org |
| 59 | 1 | 0.00 | 1 | 0.01 | ANTFresco/2.17; RISC OS-NC 5.13 Laz1UK13... |
| 60 | 1 | 0.00 | 1 | 0.01 | +http://about.ask.com/en/docs/about/webm... |
| 61 | 1 | 0.00 | 1 | 0.01 | +http://ego.ms.mff.cuni.cz/ |
| 62 | 1 | 0.00 | 1 | 0.01 | +http://www.dnsdigger.com |
