| Used Operating Systems |
| 1 | 3546 | 27.90 | 4 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 2 | 2332 | 18.35 | 1608 | 40.43 | Windows NT |
| 3 | 2179 | 17.14 | 1288 | 32.39 | +http://www.baidu.com/search/spider.html |
| 4 | 2080 | 16.36 | 408 | 10.26 | +http://www.bing.com/bingbot.htm |
| 5 | 994 | 7.82 | 177 | 4.45 | +http://yandex.com/bots |
| 6 | 682 | 5.37 | 293 | 7.37 | +http://www.google.com/bot.html |
| 7 | 511 | 4.02 | 76 | 1.91 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 164 | 1.29 | 56 | 1.41 | Linux i686 [unknown version] |
| 9 | 51 | 0.40 | 1 | 0.03 | WinHttp.WinHttpRequest.5 |
| 10 | 47 | 0.37 | 16 | 0.40 | Linux [unknown version] |
| 11 | 24 | 0.19 | 1 | 0.03 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 20 | 0.16 | 10 | 0.25 | Win32 |
| 13 | 18 | 0.14 | 2 | 0.05 | +http://gimme60.com |
| 14 | 18 | 0.14 | 9 | 0.23 | X11 |
| 15 | 8 | 0.06 | 6 | 0.15 | MSIE 5.5; Windows NT 5.0 |
| 16 | 8 | 0.06 | 7 | 0.18 | Linux i586 [unknown version] |
| 17 | 8 | 0.06 | 4 | 0.10 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 6 | 0.05 | 4 | 0.10 | NetBSD [unknown version] |
| 19 | 4 | 0.03 | 3 | 0.08 | +info@netcraft.com |
| 20 | 3 | 0.02 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 21 | 2 | 0.02 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 22 | 2 | 0.02 | 1 | 0.03 | +http://duckduckgo.com |
| 23 | 1 | 0.01 | 1 | 0.03 | Android 2.3.5 |
| 24 | 1 | 0.01 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 25 | 1 | 0.01 | 1 | 0.03 | Windows 98 |
| 26 | 1 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
