| Used Operating Systems by Visits |
| 1 | 3092 | 14.52 | 2756 | 38.12 | +http://www.baidu.com/search/spider.html |
| 2 | 3213 | 15.09 | 1698 | 23.49 | +http://www.bing.com/bingbot.htm |
| 3 | 3209 | 15.07 | 838 | 11.59 | +http://www.google.com/bot.html |
| 4 | 2213 | 10.39 | 827 | 11.44 | Windows NT |
| 5 | 2766 | 12.99 | 295 | 4.08 | +http://yandex.com/bots |
| 6 | 2059 | 9.67 | 271 | 3.75 | ezooms.bot@gmail.com |
| 7 | 339 | 1.59 | 178 | 2.46 | +http://discoveryengine.com/discobot.htm... |
| 8 | 2285 | 10.73 | 100 | 1.38 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 133 | 0.62 | 64 | 0.89 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 93 | 0.44 | 57 | 0.79 | +http://www.exabot.com/go/robot |
| 11 | 83 | 0.39 | 40 | 0.55 | +http://shoulu.jike.com/spider.html |
| 12 | 49 | 0.23 | 31 | 0.43 | Windows 95 |
| 13 | 52 | 0.24 | 22 | 0.30 | Windows 98 |
| 14 | 36 | 0.17 | 9 | 0.12 | Intel Mac OS X 10.4 |
| 15 | 10 | 0.05 | 6 | 0.08 | Windows XP |
| 16 | 5 | 0.02 | 5 | 0.07 | +http://www.netseer.com/crawler.html; cr... |
| 17 | 7 | 0.03 | 5 | 0.07 | Windows ME |
| 18 | 6 | 0.03 | 4 | 0.06 | Windows 3.1 |
| 19 | 7 | 0.03 | 4 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 20 | 7 | 0.03 | 3 | 0.04 | Windows CE |
| 21 | 6 | 0.03 | 3 | 0.04 | Windows 2000 |
| 22 | 21 | 0.10 | 2 | 0.03 | Linux i686 [unknown version] |
| 23 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 24 | 3 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 25 | 4 | 0.02 | 2 | 0.03 | Intel Mac OS X 10.6 |
| 26 | 749 | 3.52 | 1 | 0.01 | +http://www.warebay.com/bot.html |
| 27 | 23 | 0.11 | 1 | 0.01 | +http://www.aihit.com/ |
| 28 | 2 | 0.01 | 1 | 0.01 | +http://www-935.ibm.com/services/us/inde... |
| 29 | 2 | 0.01 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 30 | 2 | 0.01 | 1 | 0.01 | Windows Phone OS 7.5 |
| 31 | 802 | 3.77 | 1 | 0.01 | +http://swebot.net |
| 32 | 6 | 0.03 | 0 | 0.00 | http://desktop.google.com/ |
| 33 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 34 | 4 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 35 | 1 | 0.00 | 0 | 0.00 | Linux [unknown version] |
| 36 | 2 | 0.01 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 37 | 1 | 0.00 | 0 | 0.00 | America Online Browser 1.1; rev1.1; Wind... |
| 38 | 3 | 0.01 | 0 | 0.00 | X11 |
