| Used Operating Systems |
| 1 | 21618 | 66.42 | 1013 | 22.65 | Windows NT |
| 2 | 3324 | 10.21 | 2594 | 57.99 | +http://www.baidu.com/search/spider.html |
| 3 | 1938 | 5.95 | 173 | 3.87 | +http://www.bing.com/bingbot.htm |
| 4 | 1640 | 5.04 | 153 | 3.42 | +http://yandex.com/bots |
| 5 | 1327 | 4.08 | 179 | 4.00 | +http://www.google.com/bot.html |
| 6 | 1029 | 3.16 | 7 | 0.16 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 332 | 1.02 | 64 | 1.43 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 206 | 0.63 | 22 | 0.49 | ezooms.bot@gmail.com |
| 9 | 172 | 0.53 | 109 | 2.44 | +http://ahrefs.com/robot/ |
| 10 | 114 | 0.35 | 23 | 0.51 | Intel Mac OS X 10.4 |
| 11 | 74 | 0.23 | 17 | 0.38 | +http://www.exabot.com/go/robot |
| 12 | 70 | 0.22 | 3 | 0.07 | PPC Mac OS X 10.4 |
| 13 | 68 | 0.21 | 17 | 0.38 | +http://shoulu.jike.com/spider.html |
| 14 | 58 | 0.18 | 15 | 0.34 | Windows 98 |
| 15 | 58 | 0.18 | 4 | 0.09 | PPC Mac OS X 10.5 |
| 16 | 56 | 0.17 | 12 | 0.27 | ScoutJet; +http://blekko.com/about/blekk... |
| 17 | 54 | 0.17 | 3 | 0.07 | http://benderthewebrobot.tumblr.com |
| 18 | 53 | 0.16 | 3 | 0.07 | Windows Phone OS 7.5 |
| 19 | 50 | 0.15 | 7 | 0.16 | Linux i686 [unknown version] |
| 20 | 50 | 0.15 | 8 | 0.18 | Intel Mac OS X 10.6 |
| 21 | 46 | 0.14 | 2 | 0.04 | http://www.dataprovider.com/ |
| 22 | 44 | 0.14 | 11 | 0.25 | +http://www.acoon.de/robot.asp |
| 23 | 35 | 0.11 | 1 | 0.02 | http://crawler.sistrix.net/ |
| 24 | 28 | 0.09 | 8 | 0.18 | +http://discoveryengine.com/discobot.htm... |
| 25 | 12 | 0.04 | 0 | 0.00 | http://desktop.google.com/ |
| 26 | 12 | 0.04 | 0 | 0.00 | Windows 9. |
| 27 | 11 | 0.03 | 3 | 0.07 | http://promotests.com/? |
| 28 | 10 | 0.03 | 2 | 0.04 | +http://www.openindex.io/en/webmasters/s... |
| 29 | 10 | 0.03 | 2 | 0.04 | Windows 95 |
| 30 | 8 | 0.02 | 4 | 0.09 | +http://tweetmeme.com/ |
| 31 | 8 | 0.02 | 0 | 0.00 | Windows XP |
| 32 | 6 | 0.02 | 2 | 0.04 | Windows ME |
| 33 | 6 | 0.02 | 4 | 0.09 | +info@netcraft.com |
| 34 | 6 | 0.02 | 4 | 0.09 | Windows 3.1 |
| 35 | 4 | 0.01 | 0 | 0.00 | http://www.youdao.com/help/webmaster/spi... |
| 36 | 2 | 0.01 | 0 | 0.00 | Windows 2000 |
| 37 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.5 |
| 38 | 2 | 0.01 | 2 | 0.04 | MSIE 5.5; Windows NT 5.1 |
| 39 | 2 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 40 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
| 41 | 1 | 0.00 | 0 | 0.00 | Macintosh |
| 42 | 1 | 0.00 | 0 | 0.00 | +http://www.seoprofiler.com/bot |
| 43 | 1 | 0.00 | 0 | 0.00 | X11 |
