| Used Operating Systems |
| 1 | 1878 | 37.89 | 701 | 51.62 | +http://www.easou.com/search/spider.html |
| 2 | 983 | 19.83 | 373 | 27.47 | +http://www.baidu.com/search/spider.html |
| 3 | 752 | 15.17 | 12 | 0.88 | +http://www.google.com/bot.html |
| 4 | 477 | 9.62 | 137 | 10.09 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 220 | 4.44 | 70 | 5.15 | Windows NT |
| 6 | 187 | 3.77 | 0 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 153 | 3.09 | 58 | 4.27 | +http://www.bing.com/bingbot.htm |
| 8 | 99 | 2.00 | 0 | 0.00 | +http://yandex.com/bots |
| 9 | 84 | 1.69 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 10 | 76 | 1.53 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 21 | 0.42 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 12 | 8 | 0.16 | 0 | 0.00 | +http://siteexplorer.info/ |
| 13 | 6 | 0.12 | 3 | 0.22 | +http://OpenLinkProfiler.org/bot |
| 14 | 5 | 0.10 | 1 | 0.07 | Windows 98 |
| 15 | 2 | 0.04 | 0 | 0.00 | +http://www.yunyun.com/spider.html |
| 16 | 2 | 0.04 | 1 | 0.07 | +http://www.linkpad.ru |
| 17 | 2 | 0.04 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 1 | 0.02 | 1 | 0.07 | X11 |
| 19 | 1 | 0.02 | 1 | 0.07 | +info@netcraft.com |
