| Used Operating Systems |
| 1 | 9076 | 59.29 | 1208 | 30.84 | Windows NT |
| 2 | 2160 | 14.11 | 2008 | 51.26 | +http://www.baidu.com/search/spider.html |
| 3 | 1216 | 7.94 | 369 | 9.42 | +http://www.bing.com/bingbot.htm |
| 4 | 1089 | 7.11 | 152 | 3.88 | +http://www.google.com/bot.html |
| 5 | 1069 | 6.98 | 39 | 1.00 | +http://yandex.com/bots |
| 6 | 272 | 1.78 | 8 | 0.20 | http://crawler.sistrix.net/ |
| 7 | 174 | 1.14 | 18 | 0.46 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 74 | 0.48 | 18 | 0.46 | MirrorDetector; +http://yandex.com/bots |
| 9 | 66 | 0.43 | 31 | 0.79 | ezooms.bot@gmail.com |
| 10 | 35 | 0.23 | 19 | 0.49 | +http://www.exabot.com/go/robot |
| 11 | 22 | 0.14 | 19 | 0.49 | +http://www.easou.com/search/spider.html |
| 12 | 12 | 0.08 | 3 | 0.08 | +http://filterdb.iss.net/crawler/ |
| 13 | 8 | 0.05 | 4 | 0.10 | Intel Mac OS X 10.4 |
| 14 | 8 | 0.05 | 8 | 0.20 | Linux i686 [unknown version] |
| 15 | 6 | 0.04 | 1 | 0.03 | +http://www.compspy.com/spider.html |
| 16 | 6 | 0.04 | 1 | 0.03 | Windows 98 |
| 17 | 4 | 0.03 | 2 | 0.05 | +info@netcraft.com |
| 18 | 4 | 0.03 | 4 | 0.10 | +http://shoulu.jike.com/spider.html |
| 19 | 2 | 0.01 | 2 | 0.05 | PPC; .NET CLR; Trident/3.0 |
| 20 | 2 | 0.01 | 2 | 0.05 | Intel Mac OS X 10.6 |
| 21 | 2 | 0.01 | 1 | 0.03 | +http://www.semrush.com/bot.html |
