| Used Operating Systems |
| 1 | 23510 | 52.59 | 200 | 5.72 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 11270 | 25.21 | 1391 | 39.80 | Windows NT |
| 3 | 3102 | 6.94 | 338 | 9.67 | +http://ahrefs.com/robot/ |
| 4 | 2122 | 4.75 | 4 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 5 | 746 | 1.67 | 279 | 7.98 | +http://www.google.com/bot.html |
| 6 | 694 | 1.55 | 532 | 15.22 | +http://www.baidu.com/search/spider.html |
| 7 | 604 | 1.35 | 104 | 2.98 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 498 | 1.11 | 57 | 1.63 | +http://yandex.com/bots |
| 9 | 490 | 1.10 | 170 | 4.86 | +http://www.bing.com/bingbot.htm |
| 10 | 468 | 1.05 | 121 | 3.46 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 356 | 0.80 | 90 | 2.58 | +http://www.linkdex.com/bots/ |
| 12 | 288 | 0.64 | 90 | 2.58 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 108 | 0.24 | 2 | 0.06 | Windows 98 |
| 14 | 91 | 0.20 | 16 | 0.46 | +http://www.exabot.com/go/robot |
| 15 | 68 | 0.15 | 13 | 0.37 | +http://www.xovibot.net/ |
| 16 | 66 | 0.15 | 18 | 0.52 | +http://fulltext.sblog.cz/ |
| 17 | 53 | 0.12 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 18 | 36 | 0.08 | 2 | 0.06 | +https://www.mojeek.com/bot.html |
| 19 | 30 | 0.07 | 15 | 0.43 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 20 | 0.04 | 19 | 0.54 | Windows 95 |
| 21 | 18 | 0.04 | 6 | 0.17 | X11 |
| 22 | 16 | 0.04 | 2 | 0.06 | +http://siteexplorer.info/ |
| 23 | 11 | 0.02 | 1 | 0.03 | Windows CE |
| 24 | 8 | 0.02 | 0 | 0.00 | OS/2 |
| 25 | 4 | 0.01 | 4 | 0.11 | PPC Mac OS X 10.4 |
| 26 | 4 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 27 | 3 | 0.01 | 1 | 0.03 | Windows XP |
| 28 | 3 | 0.01 | 2 | 0.06 | Windows 3.1 |
| 29 | 3 | 0.01 | 3 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 30 | 2 | 0.00 | 2 | 0.06 | Auto; Windows |
| 31 | 2 | 0.00 | 2 | 0.06 | Trident/5.0; Windows 98; SV1;GB; IEMB3; ... |
| 32 | 2 | 0.00 | 2 | 0.06 | FreeBSD [unknown version] |
| 33 | 2 | 0.00 | 2 | 0.06 | +info@netcraft.com |
| 34 | 2 | 0.00 | 2 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 35 | 2 | 0.00 | 2 | 0.06 | +http://wmaid.com/en/explore/ |
| 36 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 37 | 2 | 0.00 | 2 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 38 | 1 | 0.00 | 1 | 0.03 | Windows ME |
