| Used Operating Systems by Visits |
| 1 | 4322 | 16.75 | 3255 | 38.01 | +http://www.baidu.com/search/spider.html |
| 2 | 2270 | 8.80 | 1623 | 18.95 | +http://www.bing.com/bingbot.htm |
| 3 | 4941 | 19.15 | 1272 | 14.85 | +http://www.google.com/bot.html |
| 4 | 3631 | 14.08 | 1177 | 13.74 | +http://ahrefs.com/robot/ |
| 5 | 2005 | 7.77 | 604 | 7.05 | Windows NT |
| 6 | 4664 | 18.08 | 153 | 1.79 | +http://yandex.com/bots |
| 7 | 322 | 1.25 | 95 | 1.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 161 | 0.62 | 79 | 0.92 | +http://www.exabot.com/go/robot |
| 9 | 284 | 1.10 | 69 | 0.81 | +http://shoulu.jike.com/spider.html |
| 10 | 1753 | 6.80 | 49 | 0.57 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 433 | 1.68 | 44 | 0.51 | ezooms.bot@gmail.com |
| 12 | 50 | 0.19 | 23 | 0.27 | Windows 98 |
| 13 | 43 | 0.17 | 22 | 0.26 | +http://www.proximic.com |
| 14 | 29 | 0.11 | 16 | 0.19 | Windows 95 |
| 15 | 52 | 0.20 | 13 | 0.15 | Intel Mac OS X 10.4 |
| 16 | 72 | 0.28 | 12 | 0.14 | +http://discoveryengine.com/discobot.htm... |
| 17 | 22 | 0.09 | 11 | 0.13 | +http://www.netseer.com/crawler.html; cr... |
| 18 | 11 | 0.04 | 10 | 0.12 | +http://www.proximic.com/info/spider.php |
| 19 | 57 | 0.22 | 5 | 0.06 | Linux i686 [unknown version] |
| 20 | 5 | 0.02 | 4 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 21 | 5 | 0.02 | 4 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 22 | 5 | 0.02 | 3 | 0.04 | Windows 2000 |
| 23 | 6 | 0.02 | 3 | 0.04 | Intel Mac OS X 10.6 |
| 24 | 502 | 1.95 | 2 | 0.02 | http://www.nerdbynature.net/bot |
| 25 | 4 | 0.02 | 2 | 0.02 | Windows Phone OS 7.5 |
| 26 | 92 | 0.36 | 2 | 0.02 | Macintosh |
| 27 | 2 | 0.01 | 1 | 0.01 | Windows CE |
| 28 | 2 | 0.01 | 1 | 0.01 | http://benderthewebrobot.tumblr.com |
| 29 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 30 | 1 | 0.00 | 1 | 0.01 | Baiduspider/2.0; +http://www.baidu.com/s... |
| 31 | 4 | 0.02 | 1 | 0.01 | BREW |
| 32 | 2 | 0.01 | 1 | 0.01 | Windows XP |
| 33 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
| 34 | 2 | 0.01 | 1 | 0.01 | Windows ME |
| 35 | 4 | 0.02 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.19; Windows NT 5.... |
| 36 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 37 | 2 | 0.01 | 1 | 0.01 | +http://www.procog.com/spider.html |
| 38 | 23 | 0.09 | 1 | 0.01 | http://www.dataprovider.com/ |
| 39 | 5 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 40 | 2 | 0.01 | 0 | 0.00 | +http://www.jike.com/spider.html |
| 41 | 2 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
