| Used Operating Systems |
| 1 | 2355 | 70.96 | 1924 | 83.04 | +http://www.baidu.com/search/spider.html |
| 2 | 244 | 7.35 | 76 | 3.28 | +http://yandex.com/bots |
| 3 | 179 | 5.39 | 107 | 4.62 | Windows NT |
| 4 | 135 | 4.07 | 61 | 2.63 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 112 | 3.37 | 12 | 0.52 | http://crawler.sistrix.net/ |
| 6 | 66 | 1.99 | 37 | 1.60 | +http://www.bing.com/bingbot.htm |
| 7 | 57 | 1.72 | 24 | 1.04 | +http://www.google.com/bot.html |
| 8 | 30 | 0.90 | 10 | 0.43 | Linux i686 [unknown version] |
| 9 | 24 | 0.72 | 15 | 0.65 | Windows 98 |
| 10 | 24 | 0.72 | 12 | 0.52 | +http://www.exabot.com/go/robot |
| 11 | 20 | 0.60 | 2 | 0.09 | +http://www.warebay.com/bot.html |
| 12 | 16 | 0.48 | 2 | 0.09 | http://www.lipperhey.com/ |
| 13 | 14 | 0.42 | 6 | 0.26 | +http://shoulu.jike.com/spider.html |
| 14 | 13 | 0.39 | 4 | 0.17 | ezooms.bot@gmail.com |
| 15 | 9 | 0.27 | 7 | 0.30 | +http://ahrefs.com/robot/ |
| 16 | 6 | 0.18 | 6 | 0.26 | MSIE 5.5; Windows NT 5.0 |
| 17 | 4 | 0.12 | 2 | 0.09 | +info@netcraft.com |
| 18 | 4 | 0.12 | 4 | 0.17 | Intel Mac OS X 10.6 |
| 19 | 2 | 0.06 | 1 | 0.04 | +http://discoveryengine.com/discobot.htm... |
| 20 | 2 | 0.06 | 2 | 0.09 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 2 | 0.06 | 2 | 0.09 | Windows ME |
| 22 | 1 | 0.03 | 1 | 0.04 | Windows 95 |
