| Used Operating Systems |
| 1 | 2762 | 50.60 | 2281 | 75.31 | +http://www.baidu.com/search/spider.html |
| 2 | 1863 | 34.13 | 162 | 5.35 | Windows NT |
| 3 | 444 | 8.13 | 442 | 14.59 | http://www.yodao.com/help/webmaster/spid... |
| 4 | 230 | 4.21 | 82 | 2.71 | +http://www.google.com/bot.html |
| 5 | 84 | 1.54 | 23 | 0.76 | +http://yandex.com/bots |
| 6 | 36 | 0.66 | 18 | 0.59 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 8 | 0.15 | 4 | 0.13 | Linux i686 [unknown version] |
| 8 | 8 | 0.15 | 4 | 0.13 | http://www.youdao.com/help/webmaster/spi... |
| 9 | 8 | 0.15 | 4 | 0.13 | +http://www.bing.com/bingbot.htm |
| 10 | 6 | 0.11 | 3 | 0.10 | +http://ahrefs.com/robot/ |
| 11 | 4 | 0.07 | 2 | 0.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 4 | 0.07 | 2 | 0.07 | +info@netcraft.com |
| 13 | 2 | 0.04 | 2 | 0.07 | Windows 98 |
