| Used Operating Systems |
| 1 | 1533 | 59.19 | 1340 | 79.95 | +http://www.baidu.com/search/spider.html |
| 2 | 285 | 11.00 | 117 | 6.98 | Windows NT |
| 3 | 217 | 8.38 | 54 | 3.22 | +http://yandex.com/bots |
| 4 | 156 | 6.02 | 45 | 2.68 | +http://www.bing.com/bingbot.htm |
| 5 | 88 | 3.40 | 11 | 0.66 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 70 | 2.70 | 22 | 1.31 | +http://www.google.com/bot.html |
| 7 | 40 | 1.54 | 11 | 0.66 | ezooms.bot@gmail.com |
| 8 | 30 | 1.16 | 5 | 0.30 | Windows 95 |
| 9 | 28 | 1.08 | 13 | 0.78 | +http://www.exabot.com/go/robot |
| 10 | 24 | 0.93 | 13 | 0.78 | +http://shoulu.jike.com/spider.html |
| 11 | 18 | 0.69 | 9 | 0.54 | http://crawler.sistrix.net/ |
| 12 | 17 | 0.66 | 4 | 0.24 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 14 | 0.54 | 3 | 0.18 | J2ME/MIDP |
| 14 | 10 | 0.39 | 4 | 0.24 | +http://ahrefs.com/robot/ |
| 15 | 9 | 0.35 | 2 | 0.12 | Windows 98 |
| 16 | 8 | 0.31 | 2 | 0.12 | Series 60 |
| 17 | 8 | 0.31 | 0 | 0.00 | +http://discoveryengine.com/discobot.htm... |
| 18 | 8 | 0.31 | 2 | 0.12 | Linux i686 [unknown version] |
| 19 | 6 | 0.23 | 4 | 0.24 | Windows 2000 |
| 20 | 6 | 0.23 | 6 | 0.36 | Linux [unknown version] |
| 21 | 4 | 0.15 | 2 | 0.12 | Windows CE |
| 22 | 4 | 0.15 | 2 | 0.12 | MSIE 5.5; Windows NT 4.0 |
| 23 | 3 | 0.12 | 2 | 0.12 | +info@netcraft.com |
| 24 | 2 | 0.08 | 2 | 0.12 | Intel Mac OS X 10.6 |
| 25 | 2 | 0.08 | 1 | 0.06 | Windows 3.1 |
