| Used Operating Systems |
| 1 | 5211 | 48.87 | 818 | 20.04 | Windows NT |
| 2 | 2174 | 20.39 | 1975 | 48.38 | +http://www.baidu.com/search/spider.html |
| 3 | 907 | 8.51 | 471 | 11.54 | +http://www.google.com/bot.html |
| 4 | 628 | 5.89 | 214 | 5.24 | ezooms.bot@gmail.com |
| 5 | 462 | 4.33 | 2 | 0.05 | +http://www.warebay.com/bot.html |
| 6 | 356 | 3.34 | 209 | 5.12 | +http://www.bing.com/bingbot.htm |
| 7 | 292 | 2.74 | 122 | 2.99 | +http://yandex.com/bots |
| 8 | 148 | 1.39 | 7 | 0.17 | http://crawler.sistrix.net/ |
| 9 | 71 | 0.67 | 71 | 1.74 | http://www.yodao.com/help/webmaster/spid... |
| 10 | 60 | 0.56 | 27 | 0.66 | Windows 98 |
| 11 | 59 | 0.55 | 38 | 0.93 | +http://discoveryengine.com/discobot.htm... |
| 12 | 42 | 0.39 | 1 | 0.02 | PPC Mac OS X 10.4 |
| 13 | 39 | 0.37 | 37 | 0.91 | Windows 95 |
| 14 | 37 | 0.35 | 17 | 0.42 | +http://ahrefs.com/robot/ |
| 15 | 37 | 0.35 | 1 | 0.02 | http://kalooga.com/crawler |
| 16 | 29 | 0.27 | 9 | 0.22 | http://www.majestic12.co.uk/bot.php?+ |
| 17 | 18 | 0.17 | 12 | 0.29 | Windows 3.1 |
| 18 | 15 | 0.14 | 1 | 0.02 | +http://www.aihit.com/ |
| 19 | 13 | 0.12 | 12 | 0.29 | Windows 2000 |
| 20 | 13 | 0.12 | 2 | 0.05 | Linux i686 [unknown version] |
| 21 | 12 | 0.11 | 8 | 0.20 | Windows XP |
| 22 | 10 | 0.09 | 7 | 0.17 | Windows ME |
| 23 | 6 | 0.06 | 6 | 0.15 | Windows CE |
| 24 | 4 | 0.04 | 3 | 0.07 | +http://www.exabot.com/go/robot |
| 25 | 3 | 0.03 | 0 | 0.00 | http://desktop.google.com/ |
| 26 | 3 | 0.03 | 1 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 27 | 3 | 0.03 | 3 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 28 | 2 | 0.02 | 2 | 0.05 | Intel Mac OS X |
| 29 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 30 | 2 | 0.02 | 1 | 0.02 | http://www.youdao.com/help/webmaster/spi... |
| 31 | 2 | 0.02 | 2 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 32 | 2 | 0.02 | 1 | 0.02 | +http://domains.checkparams.com/ |
| 33 | 1 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 34 | 1 | 0.01 | 1 | 0.02 | X11 |
