| Used Operating Systems |
| 1 | 13612 | 41.98 | 10089 | 81.53 | +http://ahrefs.com/robot/ |
| 2 | 11204 | 34.55 | 118 | 0.95 | http://mj12bot.com/ |
| 3 | 2035 | 6.28 | 847 | 6.84 | Windows NT |
| 4 | 1455 | 4.49 | 124 | 1.00 | +http://www.semrush.com/bot.html |
| 5 | 1133 | 3.49 | 188 | 1.52 | +http://napoveda.seznam.cz/en/seznambot-... |
| 6 | 867 | 2.67 | 263 | 2.13 | +http://yandex.com/bots |
| 7 | 568 | 1.75 | 165 | 1.33 | +http://www.linkdex.com/bots/ |
| 8 | 503 | 1.55 | 182 | 1.47 | +http://www.bing.com/bingbot.htm |
| 9 | 446 | 1.38 | 86 | 0.70 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 396 | 1.22 | 225 | 1.82 | +http://www.google.com/bot.html |
| 11 | 52 | 0.16 | 11 | 0.09 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 47 | 0.14 | 44 | 0.36 | +http://www.uptime.com/uptimebot |
| 13 | 12 | 0.04 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 14 | 12 | 0.04 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 15 | 9 | 0.03 | 1 | 0.01 | +info@netcraft.com |
| 16 | 8 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 17 | 7 | 0.02 | 3 | 0.02 | Windows XP |
| 18 | 6 | 0.02 | 1 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 6 | 0.02 | 4 | 0.03 | +http://sur.ly/bot.html |
| 20 | 6 | 0.02 | 1 | 0.01 | Linux i686 [unknown version] |
| 21 | 5 | 0.02 | 3 | 0.02 | Windows 95 |
| 22 | 5 | 0.02 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 23 | 4 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 24 | 3 | 0.01 | 1 | 0.01 | Windows 2000 |
| 25 | 3 | 0.01 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 26 | 3 | 0.01 | 2 | 0.02 | +http://www.exabot.com/go/robot |
| 27 | 2 | 0.01 | 1 | 0.01 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 28 | 2 | 0.01 | 0 | 0.00 | Windows Vista 7.4 |
| 29 | 2 | 0.01 | 1 | 0.01 | Windows ME |
| 30 | 2 | 0.01 | 1 | 0.01 | +http://prlog.ru/ |
| 31 | 2 | 0.01 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 32 | 2 | 0.01 | 0 | 0.00 | CRUX Linux 3.9 |
| 33 | 1 | 0.00 | 0 | 0.00 | Unix 4.1 |
| 34 | 1 | 0.00 | 0 | 0.00 | Conectiva (Mandriva) 2.9 |
| 35 | 1 | 0.00 | 0 | 0.00 | Edubuntu 4.6 |
| 36 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 37 | 1 | 0.00 | 1 | 0.01 | Windows 98 |
| 38 | 1 | 0.00 | 1 | 0.01 | +http://megaindex.com/crawler |
