| Used Operating Systems |
| 1 | 27082 | 29.60 | 520 | 3.19 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 16760 | 18.32 | 4453 | 27.33 | Windows NT |
| 3 | 14548 | 15.90 | 15 | 0.09 | +http://webmeup-crawler.com/ |
| 4 | 11285 | 12.33 | 33 | 0.20 | +http://yandex.com/bots |
| 5 | 9126 | 9.97 | 8627 | 52.96 | +http://www.baidu.com/search/spider.html |
| 6 | 6678 | 7.30 | 1647 | 10.11 | +http://www.google.com/bot.html |
| 7 | 2973 | 3.25 | 628 | 3.85 | +http://www.bing.com/bingbot.htm |
| 8 | 1000 | 1.09 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 9 | 841 | 0.92 | 3 | 0.02 | http://crawler.sistrix.net/ |
| 10 | 421 | 0.46 | 40 | 0.25 | Windows 98 |
| 11 | 279 | 0.30 | 132 | 0.81 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 171 | 0.19 | 15 | 0.09 | +http://www.exabot.com/go/robot |
| 13 | 54 | 0.06 | 15 | 0.09 | X11 |
| 14 | 42 | 0.05 | 17 | 0.10 | +http://www.linkdex.com/bots/ |
| 15 | 39 | 0.04 | 37 | 0.23 | Windows 95 |
| 16 | 29 | 0.03 | 11 | 0.07 | +http://www.linkdex.com/about/bots/ |
| 17 | 25 | 0.03 | 10 | 0.06 | Android 2.3.5 |
| 18 | 20 | 0.02 | 10 | 0.06 | http://www.opensiteexplorer.org/dotbot, ... |
| 19 | 15 | 0.02 | 9 | 0.06 | Windows 2000 |
| 20 | 15 | 0.02 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 21 | 12 | 0.01 | 8 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 22 | 12 | 0.01 | 6 | 0.04 | help@moz.com |
| 23 | 10 | 0.01 | 1 | 0.01 | Android |
| 24 | 10 | 0.01 | 10 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 25 | 7 | 0.01 | 7 | 0.04 | Windows CE |
| 26 | 6 | 0.01 | 6 | 0.04 | Windows ME |
| 27 | 4 | 0.00 | 4 | 0.02 | Auto; Windows |
| 28 | 4 | 0.00 | 4 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 29 | 3 | 0.00 | 2 | 0.01 | Windows XP |
| 30 | 2 | 0.00 | 2 | 0.01 | Macintosh PPC |
| 31 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 32 | 2 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 33 | 2 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 34 | 2 | 0.00 | 2 | 0.01 | Windows 3.1 |
| 35 | 2 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 36 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 37 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 38 | 1 | 0.00 | 1 | 0.01 | http://www.secretsearchenginelabs.com/se... |
| 39 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 40 | 1 | 0.00 | 0 | 0.00 | +http://www.netseer.com/crawler.html; cr... |
| 41 | 1 | 0.00 | 0 | 0.00 | +http://www.dotsemantic.org |
| 42 | 1 | 0.00 | 1 | 0.01 | +http://www.evri.com/evrinid |
| 43 | 1 | 0.00 | 1 | 0.01 | +http://about.depspid.net |
| 44 | 1 | 0.00 | 0 | 0.00 | http://webagent.wise-guys.nl/ |
| 45 | 1 | 0.00 | 1 | 0.01 | http://help.yahoo.com/help/us/ysearch/sl... |
| 46 | 1 | 0.00 | 1 | 0.01 | Windows 9x |
| 47 | 1 | 0.00 | 1 | 0.01 | Website Thumbnail Generator; +http://web... |
| 48 | 1 | 0.00 | 1 | 0.01 | Haiku BePC |
| 49 | 1 | 0.00 | 1 | 0.01 | ANTFresco/2.17; RISC OS-NC 5.13 Laz1UK13... |
| 50 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 51 | 1 | 0.00 | 1 | 0.01 | +http://ego.ms.mff.cuni.cz/ |
| 52 | 1 | 0.00 | 0 | 0.00 | +http://nlp.fi.muni.cz/projects/biwec/ |
| 53 | 1 | 0.00 | 1 | 0.01 | +http://openindex.io/spider.html; system... |
| 54 | 1 | 0.00 | 1 | 0.01 | +http://wmaid.com/explore/ |
| 55 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
