| Used Operating Systems |
| 1 | 16271 | 64.39 | 186 | 3.64 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4040 | 15.99 | 2111 | 41.31 | Windows NT |
| 3 | 1910 | 7.56 | 1464 | 28.65 | +http://www.baidu.com/search/spider.html |
| 4 | 913 | 3.61 | 382 | 7.48 | +http://www.google.com/bot.html |
| 5 | 827 | 3.27 | 422 | 8.26 | +http://www.bing.com/bingbot.htm |
| 6 | 434 | 1.72 | 115 | 2.25 | +http://www.linkdex.com/bots/ |
| 7 | 178 | 0.70 | 47 | 0.92 | +http://yandex.com/bots |
| 8 | 160 | 0.63 | 67 | 1.31 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 51 | 0.20 | 18 | 0.35 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 49 | 0.19 | 23 | 0.45 | Linux i686 [unknown version] |
| 11 | 43 | 0.17 | 39 | 0.76 | Windows 95 |
| 12 | 36 | 0.14 | 36 | 0.70 | http://www.openfos.com |
| 13 | 36 | 0.14 | 36 | 0.70 | http://www.topicway.com |
| 14 | 30 | 0.12 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 15 | 28 | 0.11 | 20 | 0.39 | +http://ahrefs.com/robot/ |
| 16 | 27 | 0.11 | 14 | 0.27 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 22 | 0.09 | 11 | 0.22 | +http://duckduckgo.com |
| 18 | 21 | 0.08 | 9 | 0.18 | X11 |
| 19 | 16 | 0.06 | 10 | 0.20 | Linux [unknown version] |
| 20 | 16 | 0.06 | 13 | 0.25 | Windows 98 |
| 21 | 16 | 0.06 | 8 | 0.16 | +http://www.meanpath.com/meanpathbot.htm... |
| 22 | 16 | 0.06 | 4 | 0.08 | +http://www.profound.net/domainappender |
| 23 | 14 | 0.06 | 10 | 0.20 | Windows CE |
| 24 | 14 | 0.06 | 3 | 0.06 | +http://gimme60.com |
| 25 | 13 | 0.05 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 26 | 13 | 0.05 | 1 | 0.02 | +http://advbot.org/bot.html |
| 27 | 10 | 0.04 | 5 | 0.10 | Win32 |
| 28 | 10 | 0.04 | 10 | 0.20 | MSIE 5.5; Windows NT 4.0 |
| 29 | 9 | 0.04 | 7 | 0.14 | Windows ME |
| 30 | 9 | 0.04 | 8 | 0.16 | Windows 3.1 |
| 31 | 8 | 0.03 | 4 | 0.08 | +http://www.exabot.com/go/robot |
| 32 | 6 | 0.02 | 6 | 0.12 | Windows 2000 |
| 33 | 6 | 0.02 | 6 | 0.12 | MSIE 5.5; Windows NT 5.0 |
| 34 | 4 | 0.02 | 4 | 0.08 | +http://www.domaintuno.com/robot |
| 35 | 4 | 0.02 | 3 | 0.06 | Windows XP |
| 36 | 2 | 0.01 | 2 | 0.04 | Android 2.3.5 |
| 37 | 2 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 38 | 2 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
| 39 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 40 | 1 | 0.00 | 1 | 0.02 | Linux i586 [unknown version] |
| 41 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 42 | 1 | 0.00 | 1 | 0.02 | Macintosh |
| 43 | 1 | 0.00 | 0 | 0.00 | +info@netcraft.com |
