| Used Operating Systems |
| 1 | 1822 | 33.27 | 710 | 29.82 | +http://www.google.com/bot.html |
| 2 | 981 | 17.91 | 887 | 37.25 | +http://www.baidu.com/search/spider.html |
| 3 | 468 | 8.55 | 21 | 0.88 | http://crawler.sistrix.net/ |
| 4 | 405 | 7.40 | 73 | 3.07 | Windows NT |
| 5 | 364 | 6.65 | 358 | 15.04 | http://www.yodao.com/help/webmaster/spid... |
| 6 | 281 | 5.13 | 88 | 3.70 | ezooms.bot@gmail.com |
| 7 | 271 | 4.95 | 94 | 3.95 | +http://yandex.com/bots |
| 8 | 253 | 4.62 | 3 | 0.13 | Linux i686 [unknown version] |
| 9 | 226 | 4.13 | 15 | 0.63 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 140 | 2.56 | 64 | 2.69 | +http://www.bing.com/bingbot.htm |
| 11 | 128 | 2.34 | 6 | 0.25 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 46 | 0.84 | 20 | 0.84 | +http://www.exabot.com/go/robot |
| 13 | 33 | 0.60 | 28 | 1.18 | +http://ahrefs.com/robot/ |
| 14 | 21 | 0.38 | 1 | 0.04 | http://www.nerdbynature.net/bot |
| 15 | 8 | 0.15 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 16 | 8 | 0.15 | 3 | 0.13 | Windows 98 |
| 17 | 7 | 0.13 | 1 | 0.04 | http://promotests.com/? |
| 18 | 6 | 0.11 | 2 | 0.08 | +http://shoulu.jike.com/spider.html |
| 19 | 3 | 0.05 | 2 | 0.08 | +info@netcraft.com |
| 20 | 2 | 0.04 | 2 | 0.08 | PPC Mac OS X Mach-O |
| 21 | 2 | 0.04 | 2 | 0.08 | Intel Mac OS X 10.6 |
| 22 | 1 | 0.02 | 1 | 0.04 | FreeBSD [unknown version] |
