| Used Operating Systems |
| 1 | 17488 | 41.83 | 176 | 2.32 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 6505 | 15.56 | 4155 | 54.67 | +http://www.baidu.com/search/spider.html |
| 3 | 5440 | 13.01 | 139 | 1.83 | +http://ahrefs.com/robot/ |
| 4 | 4831 | 11.56 | 1808 | 23.79 | Windows NT |
| 5 | 2528 | 6.05 | 19 | 0.25 | Windows XP |
| 6 | 2066 | 4.94 | 426 | 5.61 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 1518 | 3.63 | 356 | 4.68 | +http://www.bing.com/bingbot.htm |
| 8 | 510 | 1.22 | 235 | 3.09 | +http://www.google.com/bot.html |
| 9 | 280 | 0.67 | 94 | 1.24 | +http://yandex.com/bots |
| 10 | 190 | 0.45 | 63 | 0.83 | +http://www.linkdex.com/bots/ |
| 11 | 84 | 0.20 | 32 | 0.42 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 48 | 0.11 | 10 | 0.13 | +http://www.exabot.com/go/robot |
| 13 | 47 | 0.11 | 13 | 0.17 | +http://fulltext.sblog.cz/ |
| 14 | 36 | 0.09 | 10 | 0.13 | Windows 98 |
| 15 | 32 | 0.08 | 2 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 16 | 32 | 0.08 | 2 | 0.03 | +http://megaindex.com/crawler |
| 17 | 26 | 0.06 | 16 | 0.21 | +http://www.xovibot.net/ |
| 18 | 21 | 0.05 | 6 | 0.08 | Windows 95 |
| 19 | 20 | 0.05 | 5 | 0.07 | Windows 2000 |
| 20 | 18 | 0.04 | 1 | 0.01 | Linux [unknown version] |
| 21 | 13 | 0.03 | 5 | 0.07 | Windows ME |
| 22 | 9 | 0.02 | 3 | 0.04 | Windows CE |
| 23 | 9 | 0.02 | 3 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 24 | 8 | 0.02 | 4 | 0.05 | +http://duckduckgo.com |
| 25 | 7 | 0.02 | 3 | 0.04 | Windows 3.1 |
| 26 | 7 | 0.02 | 3 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 27 | 7 | 0.02 | 3 | 0.04 | Intel Mac OS X 10_7_4 |
| 28 | 6 | 0.01 | 2 | 0.03 | Auto; Windows |
| 29 | 4 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 30 | 3 | 0.01 | 1 | 0.01 | +http://sur.ly/bot.html |
| 31 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 32 | 2 | 0.00 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 33 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 34 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 35 | 1 | 0.00 | 0 | 0.00 | documents; +http://docs.google.com |
| 36 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 37 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 38 | 1 | 0.00 | 1 | 0.01 | Windows Phone OS 7.0; Trident/3.1; IEMob... |
