| Used Operating Systems |
| 1 | 2636 | 37.08 | 2356 | 67.37 | +http://www.baidu.com/search/spider.html |
| 2 | 2337 | 32.87 | 661 | 18.90 | +http://www.google.com/bot.html |
| 3 | 1186 | 16.68 | 200 | 5.72 | Windows NT |
| 4 | 230 | 3.24 | 75 | 2.14 | +http://yandex.com/bots |
| 5 | 184 | 2.59 | 9 | 0.26 | http://help.yahoo.com/help/us/ysearch/sl... |
| 6 | 132 | 1.86 | 39 | 1.12 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 114 | 1.60 | 50 | 1.43 | +http://www.bing.com/bingbot.htm |
| 8 | 70 | 0.98 | 6 | 0.17 | http://crawler.sistrix.net/ |
| 9 | 68 | 0.96 | 30 | 0.86 | ezooms.bot@gmail.com |
| 10 | 42 | 0.59 | 21 | 0.60 | +http://www.exabot.com/go/robot |
| 11 | 31 | 0.44 | 29 | 0.83 | +http://ahrefs.com/robot/ |
| 12 | 24 | 0.34 | 12 | 0.34 | +http://shoulu.jike.com/spider.html |
| 13 | 23 | 0.32 | 1 | 0.03 | X11 |
| 14 | 11 | 0.15 | 1 | 0.03 | +http://www.warebay.com/bot.html |
| 15 | 8 | 0.11 | 1 | 0.03 | Linux i686 [unknown version] |
| 16 | 4 | 0.06 | 4 | 0.11 | +http://pmoz.info/doc/botinfo.htm |
| 17 | 4 | 0.06 | 0 | 0.00 | Windows 98 |
| 18 | 2 | 0.03 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 19 | 2 | 0.03 | 1 | 0.03 | +info@netcraft.com |
| 20 | 1 | 0.01 | 1 | 0.03 | Windows 2000 |
