| Used Operating Systems |
| 1 | 3131 | 30.73 | 188 | 11.19 | http://www.opensiteexplorer.org/dotbot, ... |
| 2 | 1683 | 16.52 | 846 | 50.36 | Windows NT |
| 3 | 1674 | 16.43 | 174 | 10.36 | +http://ahrefs.com/robot/ |
| 4 | 1003 | 9.84 | 1 | 0.06 | http://crawler.007ac9.net/ |
| 5 | 990 | 9.72 | 6 | 0.36 | +http://OpenLinkProfiler.org/bot |
| 6 | 700 | 6.87 | 144 | 8.57 | +http://www.bing.com/bingbot.htm |
| 7 | 344 | 3.38 | 93 | 5.54 | +http://yandex.com/bots |
| 8 | 265 | 2.60 | 2 | 0.12 | http://mj12bot.com/ |
| 9 | 170 | 1.67 | 89 | 5.30 | +http://www.google.com/bot.html |
| 10 | 85 | 0.83 | 37 | 2.20 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 74 | 0.73 | 73 | 4.35 | +http://www.uptime.com/uptimebot |
| 12 | 34 | 0.33 | 13 | 0.77 | +http://www.linkdex.com/bots/ |
| 13 | 14 | 0.14 | 3 | 0.18 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 8 | 0.08 | 1 | 0.06 | +http://www.semrush.com/bot.html |
| 15 | 4 | 0.04 | 2 | 0.12 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 16 | 2 | 0.02 | 2 | 0.12 | Windows CE |
| 17 | 2 | 0.02 | 2 | 0.12 | Windows ME |
| 18 | 2 | 0.02 | 2 | 0.12 | +info@netcraft.com |
| 19 | 1 | 0.01 | 1 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 20 | 1 | 0.01 | 0 | 0.00 | +http://www.baidu.com/search/spider.html |
| 21 | 1 | 0.01 | 1 | 0.06 | Windows 95 |
