| Used Operating Systems |
| 1 | 17215 | 62.73 | 151 | 2.23 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5161 | 18.80 | 4504 | 66.57 | +http://www.baidu.com/search/spider.html |
| 3 | 2092 | 7.62 | 997 | 14.74 | Windows NT |
| 4 | 876 | 3.19 | 317 | 4.69 | +http://www.bing.com/bingbot.htm |
| 5 | 803 | 2.93 | 370 | 5.47 | +http://www.google.com/bot.html |
| 6 | 331 | 1.21 | 76 | 1.12 | +http://www.linkdex.com/bots/ |
| 7 | 165 | 0.60 | 3 | 0.04 | Windows XP |
| 8 | 153 | 0.56 | 45 | 0.67 | +http://yandex.com/bots |
| 9 | 128 | 0.47 | 57 | 0.84 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 96 | 0.35 | 24 | 0.35 | +http://www.profound.net/domainappender |
| 11 | 42 | 0.15 | 41 | 0.61 | http://www.topicway.com |
| 12 | 41 | 0.15 | 22 | 0.33 | http://www.bing.com/bingbot.htm |
| 13 | 40 | 0.15 | 40 | 0.59 | http://www.openfos.com |
| 14 | 34 | 0.12 | 10 | 0.15 | +http://fulltext.sblog.cz/ |
| 15 | 31 | 0.11 | 9 | 0.13 | +http://www.semrush.com/bot.html |
| 16 | 27 | 0.10 | 21 | 0.31 | +http://ahrefs.com/robot/ |
| 17 | 24 | 0.09 | 12 | 0.18 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 24 | 0.09 | 12 | 0.18 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 18 | 0.07 | 9 | 0.13 | +http://duckduckgo.com |
| 20 | 16 | 0.06 | 1 | 0.01 | +http://www.warebay.com/bot.html |
| 21 | 15 | 0.05 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 22 | 15 | 0.05 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 23 | 14 | 0.05 | 1 | 0.01 | +http://megaindex.com/crawler |
| 24 | 13 | 0.05 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 25 | 12 | 0.04 | 1 | 0.01 | Linux [unknown version] |
| 26 | 8 | 0.03 | 2 | 0.03 | +; |
| 27 | 7 | 0.03 | 7 | 0.10 | Windows 95 |
| 28 | 6 | 0.02 | 3 | 0.04 | http://www.botje.com/plukkie.htm |
| 29 | 5 | 0.02 | 2 | 0.03 | +http://www.exabot.com/go/robot |
| 30 | 4 | 0.01 | 4 | 0.06 | Windows 98 |
| 31 | 3 | 0.01 | 2 | 0.03 | +http://gimmeusa.com/crawler.html |
| 32 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 33 | 3 | 0.01 | 3 | 0.04 | X11 |
| 34 | 2 | 0.01 | 2 | 0.03 | Windows CE |
| 35 | 2 | 0.01 | 1 | 0.01 | +https://deusu.de/robot.html |
| 36 | 2 | 0.01 | 2 | 0.03 | Windows ME |
| 37 | 2 | 0.01 | 2 | 0.03 | Windows 3.1 |
| 38 | 2 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 39 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 40 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 41 | 1 | 0.00 | 0 | 0.00 | Windows Phone OS 7.5 |
| 42 | 1 | 0.00 | 1 | 0.01 | +http://privatewww.essex.ac.uk/~jcread/W... |
| 43 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 44 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 45 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 46 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 47 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 48 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
