| Used Operating Systems |
| 1 | 2434 | 43.57 | 2188 | 76.13 | +http://www.baidu.com/search/spider.html |
| 2 | 2363 | 42.29 | 201 | 6.99 | +http://www.google.com/bot.html |
| 3 | 339 | 6.07 | 337 | 11.73 | http://www.yodao.com/help/webmaster/spid... |
| 4 | 269 | 4.81 | 69 | 2.40 | +http://yandex.com/bots |
| 5 | 74 | 1.32 | 7 | 0.24 | +http://ahrefs.com/robot/ |
| 6 | 43 | 0.77 | 28 | 0.97 | Windows NT |
| 7 | 20 | 0.36 | 20 | 0.70 | http://www.youdao.com/help/webmaster/spi... |
| 8 | 16 | 0.29 | 8 | 0.28 | ezooms.bot@gmail.com |
| 9 | 16 | 0.29 | 8 | 0.28 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 6 | 0.11 | 3 | 0.10 | +http://www.bing.com/bingbot.htm |
| 11 | 4 | 0.07 | 2 | 0.07 | +info@netcraft.com |
| 12 | 2 | 0.04 | 2 | 0.07 | OpenBSD [unknown version] |
| 13 | 1 | 0.02 | 1 | 0.03 | +http://www.profound.net/sibot.html |
