| Used Operating Systems |
| 1 | 1605 | 61.05 | 1448 | 76.86 | +http://www.baidu.com/search/spider.html |
| 2 | 258 | 9.81 | 156 | 8.28 | Windows NT |
| 3 | 220 | 8.37 | 67 | 3.56 | +http://yandex.com/bots |
| 4 | 105 | 3.99 | 44 | 2.34 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 90 | 3.42 | 46 | 2.44 | +http://www.bing.com/bingbot.htm |
| 6 | 88 | 3.35 | 9 | 0.48 | http://crawler.sistrix.net/ |
| 7 | 70 | 2.66 | 25 | 1.33 | +http://www.google.com/bot.html |
| 8 | 59 | 2.24 | 21 | 1.11 | ezooms.bot@gmail.com |
| 9 | 40 | 1.52 | 19 | 1.01 | +http://www.exabot.com/go/robot |
| 10 | 26 | 0.99 | 8 | 0.42 | Linux i686 [unknown version] |
| 11 | 21 | 0.80 | 8 | 0.42 | Windows 98 |
| 12 | 15 | 0.57 | 13 | 0.69 | +http://ahrefs.com/robot/ |
| 13 | 8 | 0.30 | 5 | 0.27 | MSIE 5.5; Windows NT 5.0 |
| 14 | 4 | 0.15 | 2 | 0.11 | http://promotests.com/? |
| 15 | 4 | 0.15 | 2 | 0.11 | Windows 95 |
| 16 | 4 | 0.15 | 2 | 0.11 | +info@netcraft.com |
| 17 | 4 | 0.15 | 2 | 0.11 | +http://shoulu.jike.com/spider.html |
| 18 | 2 | 0.08 | 2 | 0.11 | Solaris 2.6.x |
| 19 | 2 | 0.08 | 1 | 0.05 | +http://discoveryengine.com/discobot.htm... |
| 20 | 2 | 0.08 | 2 | 0.11 | crawler@unister.de |
| 21 | 1 | 0.04 | 1 | 0.05 | Windows 2000 |
| 22 | 1 | 0.04 | 1 | 0.05 | Intel Mac OS X 10.6 |
