| Used Operating Systems |
| 1 | 30957 | 74.81 | 1194 | 24.06 | Windows NT |
| 2 | 3571 | 8.63 | 2808 | 56.59 | +http://www.baidu.com/search/spider.html |
| 3 | 1848 | 4.47 | 128 | 2.58 | +http://www.bing.com/bingbot.htm |
| 4 | 1303 | 3.15 | 172 | 3.47 | +http://www.google.com/bot.html |
| 5 | 585 | 1.41 | 80 | 1.61 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 547 | 1.32 | 91 | 1.83 | +http://yandex.com/bots |
| 7 | 453 | 1.09 | 213 | 4.29 | +http://ahrefs.com/robot/ |
| 8 | 425 | 1.03 | 109 | 2.20 | ezooms.bot@gmail.com |
| 9 | 299 | 0.72 | 12 | 0.24 | PPC Mac OS X 10.4 |
| 10 | 261 | 0.63 | 2 | 0.04 | +http://discoveryengine.com/discobot.htm... |
| 11 | 217 | 0.52 | 7 | 0.14 | http://crawler.sistrix.net/ |
| 12 | 201 | 0.49 | 32 | 0.64 | ScoutJet; +http://blekko.com/about/blekk... |
| 13 | 127 | 0.31 | 14 | 0.28 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 66 | 0.16 | 1 | 0.02 | http://www.lipperhey.com/ |
| 15 | 66 | 0.16 | 2 | 0.04 | http://nlp.fi.muni.cz/projects/biwec/ |
| 16 | 64 | 0.15 | 2 | 0.04 | +http://www.aihit.com/ |
| 17 | 58 | 0.14 | 13 | 0.26 | +http://shoulu.jike.com/spider.html |
| 18 | 56 | 0.14 | 17 | 0.34 | +http://www.eventguru.com/spider.html |
| 19 | 54 | 0.13 | 10 | 0.20 | +http://www.exabot.com/go/robot |
| 20 | 37 | 0.09 | 9 | 0.18 | Windows 98 |
| 21 | 33 | 0.08 | 12 | 0.24 | Intel Mac OS X 10.6 |
| 22 | 22 | 0.05 | 1 | 0.02 | Intel Mac OS X 10.5 |
| 23 | 16 | 0.04 | 3 | 0.06 | Linux i686 [unknown version] |
| 24 | 16 | 0.04 | 4 | 0.08 | +http://www.acoon.de/robot.asp |
| 25 | 14 | 0.03 | 0 | 0.00 | Windows XP |
| 26 | 12 | 0.03 | 0 | 0.00 | http://desktop.google.com/ |
| 27 | 12 | 0.03 | 4 | 0.08 | +http://www.hailoo.com/spider.html |
| 28 | 12 | 0.03 | 6 | 0.12 | Windows 95 |
| 29 | 10 | 0.02 | 2 | 0.04 | +http://strap-wrench.org/ |
| 30 | 6 | 0.01 | 0 | 0.00 | Windows 9. |
| 31 | 6 | 0.01 | 4 | 0.08 | +info@netcraft.com |
| 32 | 6 | 0.01 | 3 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 33 | 5 | 0.01 | 1 | 0.02 | Windows 2000 |
| 34 | 4 | 0.01 | 0 | 0.00 | http://www.youdao.com/help/webmaster/spi... |
| 35 | 3 | 0.01 | 2 | 0.04 | http://support.paper.li/entries/20023257... |
| 36 | 2 | 0.00 | 0 | 0.00 | +http://www.openindex.io/en/webmasters/s... |
| 37 | 2 | 0.00 | 2 | 0.04 | Bluecoat TsGet |
| 38 | 1 | 0.00 | 0 | 0.00 | Windows CE |
| 39 | 1 | 0.00 | 1 | 0.02 | +http://www.wmtips.com/tools/ |
| 40 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
