| Used Operating Systems |
| 1 | 9448 | 47.22 | 1498 | 35.40 | Windows NT |
| 2 | 3697 | 18.48 | 88 | 2.08 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 2808 | 14.03 | 341 | 8.06 | +http://ahrefs.com/robot/ |
| 4 | 1623 | 8.11 | 1511 | 35.70 | +http://www.baidu.com/search/spider.html |
| 5 | 868 | 4.34 | 216 | 5.10 | +http://www.bing.com/bingbot.htm |
| 6 | 634 | 3.17 | 367 | 8.67 | +http://www.google.com/bot.html |
| 7 | 177 | 0.88 | 72 | 1.70 | +http://yandex.com/bots |
| 8 | 95 | 0.47 | 7 | 0.17 | Linux i686 [unknown version] |
| 9 | 90 | 0.45 | 31 | 0.73 | +http://www.xovibot.net/ |
| 10 | 82 | 0.41 | 10 | 0.24 | Windows 98 |
| 11 | 66 | 0.33 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 12 | 62 | 0.31 | 15 | 0.35 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 34 | 0.17 | 0 | 0.00 | X11 |
| 14 | 33 | 0.16 | 11 | 0.26 | Windows XP |
| 15 | 33 | 0.16 | 1 | 0.02 | +http://fulltext.sblog.cz/ |
| 16 | 31 | 0.15 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 17 | 30 | 0.15 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 18 | 28 | 0.14 | 11 | 0.26 | http://help.yahoo.com/help/us/ysearch/sl... |
| 19 | 27 | 0.13 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 20 | 21 | 0.10 | 8 | 0.19 | +http://help.coccoc.com/ |
| 21 | 16 | 0.08 | 7 | 0.17 | Windows 95 |
| 22 | 15 | 0.07 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 23 | 13 | 0.06 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 24 | 11 | 0.05 | 5 | 0.12 | +http://www.linkdex.com/bots/ |
| 25 | 11 | 0.05 | 0 | 0.00 | Android 2.3.5 |
| 26 | 8 | 0.04 | 3 | 0.07 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 27 | 8 | 0.04 | 2 | 0.05 | +http://www.exabot.com/go/robot |
| 28 | 6 | 0.03 | 2 | 0.05 | Windows ME |
| 29 | 5 | 0.02 | 3 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 30 | 4 | 0.02 | 4 | 0.09 | Linux i586 [unknown version] |
| 31 | 4 | 0.02 | 2 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 32 | 4 | 0.02 | 2 | 0.05 | +http://duckduckgo.com |
| 33 | 3 | 0.01 | 1 | 0.02 | Windows 2000 |
| 34 | 3 | 0.01 | 3 | 0.07 | http://nmap.org/book/nse.html |
| 35 | 3 | 0.01 | 1 | 0.02 | Windows 3.1 |
| 36 | 2 | 0.01 | 1 | 0.02 | Auto; Windows |
| 37 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 38 | 2 | 0.01 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 39 | 2 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 40 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
