| Used Operating Systems |
| 1 | 4146 | 31.23 | 2102 | 35.40 | Windows NT |
| 2 | 4096 | 30.86 | 3085 | 51.95 | +http://www.baidu.com/search/spider.html |
| 3 | 2000 | 15.07 | 8 | 0.13 | +http://www.warebay.com/bot.html |
| 4 | 820 | 6.18 | 10 | 0.17 | http://crawler.sistrix.net/ |
| 5 | 670 | 5.05 | 252 | 4.24 | +http://www.bing.com/bingbot.htm |
| 6 | 555 | 4.18 | 20 | 0.34 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 514 | 3.87 | 125 | 2.11 | +http://www.google.com/bot.html |
| 8 | 294 | 2.21 | 290 | 4.88 | http://www.yodao.com/help/webmaster/spid... |
| 9 | 167 | 1.26 | 41 | 0.69 | +http://yandex.com/bots |
| 10 | 8 | 0.06 | 2 | 0.03 | MirrorDetector; +http://yandex.com/bots |
| 11 | 2 | 0.02 | 2 | 0.03 | Windows 98 |
| 12 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
