| Used Operating Systems |
| 1 | 48941 | 50.99 | 248 | 1.20 | http://mj12bot.com/ |
| 2 | 21187 | 22.07 | 14369 | 69.39 | +http://ahrefs.com/robot/ |
| 3 | 7942 | 8.27 | 806 | 3.89 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 4070 | 4.24 | 2008 | 9.70 | Windows NT |
| 5 | 3005 | 3.13 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 6 | 1895 | 1.97 | 297 | 1.43 | +http://www.linkdex.com/bots/ |
| 7 | 1867 | 1.95 | 322 | 1.55 | +http://yandex.com/bots |
| 8 | 1574 | 1.64 | 392 | 1.89 | +http://napoveda.seznam.cz/en/seznambot-... |
| 9 | 1529 | 1.59 | 1176 | 5.68 | +http://www.baidu.com/search/spider.html |
| 10 | 1302 | 1.36 | 633 | 3.06 | +http://www.google.com/bot.html |
| 11 | 1003 | 1.04 | 1 | 0.00 | http://crawler.007ac9.net/ |
| 12 | 734 | 0.76 | 322 | 1.55 | +http://www.bing.com/bingbot.htm |
| 13 | 612 | 0.64 | 16 | 0.08 | Windows 98 |
| 14 | 84 | 0.09 | 24 | 0.12 | +http://www.exabot.com/go/robot |
| 15 | 77 | 0.08 | 18 | 0.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 49 | 0.05 | 6 | 0.03 | +http://sur.ly/bot.html |
| 17 | 34 | 0.04 | 33 | 0.16 | +http://www.uptime.com/uptimebot |
| 18 | 30 | 0.03 | 3 | 0.01 | +http://www.semrush.com/bot.html |
| 19 | 16 | 0.02 | 12 | 0.06 | +info@netcraft.com |
| 20 | 7 | 0.01 | 1 | 0.00 | http://filterdb.iss.net/crawler/ |
| 21 | 4 | 0.00 | 2 | 0.01 | +http://duckduckgo.com |
| 22 | 2 | 0.00 | 1 | 0.00 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 23 | 2 | 0.00 | 2 | 0.01 | Auto; Windows |
| 24 | 2 | 0.00 | 1 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 25 | 2 | 0.00 | 2 | 0.01 | Windows 95 |
| 26 | 2 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 27 | 2 | 0.00 | 1 | 0.00 | Linux i686 [unknown version] |
| 28 | 1 | 0.00 | 1 | 0.00 | Windows CE |
| 29 | 1 | 0.00 | 1 | 0.00 | Android 4.1 |
| 30 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 31 | 1 | 0.00 | 1 | 0.00 | Intel Mac OS X 10.4 |
| 32 | 1 | 0.00 | 1 | 0.00 | X11 |
| 33 | 1 | 0.00 | 1 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 34 | 1 | 0.00 | 1 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 35 | 1 | 0.00 | 1 | 0.00 | Windows 3.1 |
