| Used Operating Systems |
| 1 | 3125 | 35.31 | 327 | 9.03 | Windows NT |
| 2 | 2498 | 28.23 | 2219 | 61.30 | +http://www.baidu.com/search/spider.html |
| 3 | 1866 | 21.08 | 522 | 14.42 | +http://www.google.com/bot.html |
| 4 | 276 | 3.12 | 73 | 2.02 | +http://yandex.com/bots |
| 5 | 269 | 3.04 | 263 | 7.27 | http://www.yodao.com/help/webmaster/spid... |
| 6 | 185 | 2.09 | 65 | 1.80 | +http://www.bing.com/bingbot.htm |
| 7 | 142 | 1.60 | 37 | 1.02 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 98 | 1.11 | 1 | 0.03 | X11 |
| 9 | 53 | 0.60 | 3 | 0.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 47 | 0.53 | 19 | 0.52 | Windows 95 |
| 11 | 40 | 0.45 | 10 | 0.28 | +http://shoulu.jike.com/spider.html |
| 12 | 38 | 0.43 | 2 | 0.06 | Intel Mac OS X 10.5 |
| 13 | 36 | 0.41 | 18 | 0.50 | +http://www.career-x.de/bot.html |
| 14 | 30 | 0.34 | 14 | 0.39 | +http://www.exabot.com/go/robot |
| 15 | 20 | 0.23 | 1 | 0.03 | Windows 98 |
| 16 | 18 | 0.20 | 1 | 0.03 | Windows Phone OS 7.5 |
| 17 | 16 | 0.18 | 1 | 0.03 | +http://fulltext.sblog.cz/screenshot/ |
| 18 | 15 | 0.17 | 6 | 0.17 | http://crawler.sistrix.net/ |
| 19 | 13 | 0.15 | 0 | 0.00 | Windows XP |
| 20 | 13 | 0.15 | 4 | 0.11 | Windows 3.1 |
| 21 | 10 | 0.11 | 7 | 0.19 | Windows ME |
| 22 | 6 | 0.07 | 5 | 0.14 | Windows 2000 |
| 23 | 6 | 0.07 | 4 | 0.11 | MSIE 5.5; Windows NT 5.0 |
| 24 | 6 | 0.07 | 6 | 0.17 | MSIE 5.5; Windows NT 4.0 |
| 25 | 5 | 0.06 | 2 | 0.06 | Linux i686 [unknown version] |
| 26 | 4 | 0.05 | 2 | 0.06 | +info@netcraft.com |
| 27 | 4 | 0.05 | 2 | 0.06 | +http://www.seoprofiler.com/bot |
| 28 | 4 | 0.05 | 2 | 0.06 | +http://www.acoon.de/robot.asp |
| 29 | 3 | 0.03 | 2 | 0.06 | Windows CE |
| 30 | 2 | 0.02 | 1 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 31 | 1 | 0.01 | 1 | 0.03 | +http://ahrefs.com/robot/ |
| 32 | 1 | 0.01 | 0 | 0.00 | Mac_PowerPC; en |
