| Used Operating Systems |
| 1 | 64390 | 80.24 | 66 | 1.92 | +http://www.google.com/bot.html |
| 2 | 12298 | 15.32 | 1952 | 56.69 | Windows NT |
| 3 | 1414 | 1.76 | 575 | 16.70 | +http://www.baidu.com/search/spider.html |
| 4 | 243 | 0.30 | 139 | 4.04 | Windows 95 |
| 5 | 241 | 0.30 | 33 | 0.96 | ezooms.bot@gmail.com |
| 6 | 214 | 0.27 | 125 | 3.63 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 161 | 0.20 | 161 | 4.68 | http://www.yodao.com/help/webmaster/spid... |
| 8 | 148 | 0.18 | 25 | 0.73 | Windows 98 |
| 9 | 146 | 0.18 | 36 | 1.05 | +http://yandex.com/bots |
| 10 | 138 | 0.17 | 39 | 1.13 | +http://www.bing.com/bingbot.htm |
| 11 | 135 | 0.17 | 17 | 0.49 | http://www.majestic12.co.uk/bot.php?+ |
| 12 | 79 | 0.10 | 4 | 0.12 | +http://ahrefs.com/robot/ |
| 13 | 65 | 0.08 | 41 | 1.19 | Windows CE |
| 14 | 65 | 0.08 | 11 | 0.32 | Windows XP |
| 15 | 52 | 0.06 | 35 | 1.02 | Windows 2000 |
| 16 | 51 | 0.06 | 9 | 0.26 | http://www.youdao.com/help/webmaster/spi... |
| 17 | 51 | 0.06 | 31 | 0.90 | MSIE 5.5; Windows NT 4.0 |
| 18 | 49 | 0.06 | 29 | 0.84 | MSIE 5.5; Windows NT 5.0 |
| 19 | 46 | 0.06 | 23 | 0.67 | Windows ME |
| 20 | 43 | 0.05 | 28 | 0.81 | Windows 3.1 |
| 21 | 41 | 0.05 | 31 | 0.90 | Linux [unknown version] |
| 22 | 35 | 0.04 | 2 | 0.06 | J2ME/MIDP |
| 23 | 32 | 0.04 | 4 | 0.12 | Linux i686 [unknown version] |
| 24 | 29 | 0.04 | 18 | 0.52 | +http://discoveryengine.com/discobot.htm... |
| 25 | 16 | 0.02 | 1 | 0.03 | Windows Mobile |
| 26 | 14 | 0.02 | 1 | 0.03 | Windows Phone OS 7.0 |
| 27 | 13 | 0.02 | 0 | 0.00 | Linux 2.0.x |
| 28 | 12 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 29 | 10 | 0.01 | 0 | 0.00 | Win32 |
| 30 | 6 | 0.01 | 3 | 0.09 | +http://www.exabot.com/go/robot |
| 31 | 4 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 32 | 4 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 33 | 3 | 0.00 | 1 | 0.03 | http://www.nerdbynature.net/bot |
| 34 | 1 | 0.00 | 1 | 0.03 | +http://www.seexie.com |
| 35 | 1 | 0.00 | 1 | 0.03 | +http://pmoz.info/doc/botinfo.htm |
| 36 | 1 | 0.00 | 1 | 0.03 | +info@netcraft.com |
