| Used Operating Systems |
| 1 | 5329 | 20.53 | 4559 | 50.76 | +http://www.baidu.com/search/spider.html |
| 2 | 4258 | 16.40 | 133 | 1.48 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 3978 | 15.32 | 897 | 9.99 | +http://www.google.com/bot.html |
| 4 | 3547 | 13.66 | 1148 | 12.78 | Windows NT |
| 5 | 3450 | 13.29 | 1449 | 16.13 | +http://www.bing.com/bingbot.htm |
| 6 | 1951 | 7.51 | 393 | 4.38 | +http://yandex.com/bots |
| 7 | 1498 | 5.77 | 2 | 0.02 | +http://www.warebay.com/bot.html |
| 8 | 412 | 1.59 | 8 | 0.09 | ezooms.bot@gmail.com |
| 9 | 407 | 1.57 | 118 | 1.31 | +http://discoveryengine.com/discobot.htm... |
| 10 | 301 | 1.16 | 1 | 0.01 | http://crawler.sistrix.net/ |
| 11 | 195 | 0.75 | 6 | 0.07 | http://benderthewebrobot.tumblr.com |
| 12 | 115 | 0.44 | 29 | 0.32 | Intel Mac OS X 10.4 |
| 13 | 102 | 0.39 | 52 | 0.58 | +http://shoulu.jike.com/spider.html |
| 14 | 84 | 0.32 | 39 | 0.43 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 71 | 0.27 | 29 | 0.32 | Windows 98 |
| 16 | 63 | 0.24 | 39 | 0.43 | Windows 95 |
| 17 | 29 | 0.11 | 16 | 0.18 | +http://www.exabot.com/go/robot |
| 18 | 25 | 0.10 | 4 | 0.04 | Linux i686 [unknown version] |
| 19 | 18 | 0.07 | 7 | 0.08 | Windows XP |
| 20 | 17 | 0.07 | 8 | 0.09 | Windows ME |
| 21 | 13 | 0.05 | 7 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 22 | 12 | 0.05 | 7 | 0.08 | Windows 2000 |
| 23 | 11 | 0.04 | 7 | 0.08 | Windows 3.1 |
| 24 | 11 | 0.04 | 5 | 0.06 | Intel Mac OS X 10.6 |
| 25 | 10 | 0.04 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 26 | 9 | 0.03 | 1 | 0.01 | America Online Browser 1.1; rev1.2; Wind... |
| 27 | 8 | 0.03 | 1 | 0.01 | crawler@nigma.ru |
| 28 | 6 | 0.02 | 3 | 0.03 | Windows CE |
| 29 | 6 | 0.02 | 2 | 0.02 | Intel Mac OS X 10.5 |
| 30 | 6 | 0.02 | 2 | 0.02 | ReverseGet/1.0; http://reverseget.com/do... |
| 31 | 5 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 32 | 3 | 0.01 | 1 | 0.01 | +http://fulltext.sblog.cz/screenshot/ |
| 33 | 3 | 0.01 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 34 | 2 | 0.01 | 2 | 0.02 | +http://ahrefs.com/robot/ |
| 35 | 2 | 0.01 | 1 | 0.01 | +http://www.marketwire.com |
| 36 | 2 | 0.01 | 1 | 0.01 | BREW 4.0.3 |
| 37 | 1 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 38 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X |
| 39 | 1 | 0.00 | 1 | 0.01 | PPC Mac OS X Mach-O |
| 40 | 1 | 0.00 | 0 | 0.00 | +info@netcraft.com |
