| Used Operating Systems |
| 1 | 2487 | 36.10 | 2178 | 68.23 | +http://www.baidu.com/search/spider.html |
| 2 | 2150 | 31.20 | 388 | 12.16 | +http://www.google.com/bot.html |
| 3 | 882 | 12.80 | 250 | 7.83 | Windows NT |
| 4 | 354 | 5.14 | 111 | 3.48 | +http://yandex.com/bots |
| 5 | 249 | 3.61 | 31 | 0.97 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 97 | 1.41 | 31 | 0.97 | +http://www.bing.com/bingbot.htm |
| 7 | 82 | 1.19 | 54 | 1.69 | +http://ahrefs.com/robot/ |
| 8 | 71 | 1.03 | 27 | 0.85 | +http://www.exabot.com/go/robot |
| 9 | 57 | 0.83 | 13 | 0.41 | Windows 98 |
| 10 | 56 | 0.81 | 2 | 0.06 | +http://www.warebay.com/bot.html |
| 11 | 54 | 0.78 | 17 | 0.53 | ezooms.bot@gmail.com |
| 12 | 51 | 0.74 | 10 | 0.31 | +http://www.scoutjet.com/ |
| 13 | 50 | 0.73 | 2 | 0.06 | +http://swebot-crawler.net |
| 14 | 46 | 0.67 | 23 | 0.72 | +http://shoulu.jike.com/spider.html |
| 15 | 38 | 0.55 | 2 | 0.06 | http://www.lipperhey.com/ |
| 16 | 35 | 0.51 | 6 | 0.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 34 | 0.49 | 10 | 0.31 | +http://discoveryengine.com/discobot.htm... |
| 18 | 30 | 0.44 | 9 | 0.28 | Intel Mac OS X 10.6 |
| 19 | 16 | 0.23 | 2 | 0.06 | Linux i686 [unknown version] |
| 20 | 16 | 0.23 | 5 | 0.16 | +http://domains.checkparams.com/ |
| 21 | 14 | 0.20 | 10 | 0.31 | Windows 95 |
| 22 | 8 | 0.12 | 2 | 0.06 | +http://filterdb.iss.net/crawler/ |
| 23 | 6 | 0.09 | 4 | 0.13 | Windows ME |
| 24 | 2 | 0.03 | 1 | 0.03 | Windows CE |
| 25 | 2 | 0.03 | 2 | 0.06 | Intel Mac OS X |
| 26 | 1 | 0.01 | 1 | 0.03 | +http://eripp.com |
| 27 | 1 | 0.01 | 0 | 0.00 | +info@netcraft.com |
| 28 | 1 | 0.01 | 1 | 0.03 | Windows 3.1 |
