| Used Operating Systems |
| 1 | 30702 | 75.95 | 2851 | 38.31 | Windows NT |
| 2 | 2773 | 6.86 | 2512 | 33.76 | +http://www.baidu.com/search/spider.html |
| 3 | 1384 | 3.42 | 650 | 8.74 | +http://www.google.com/bot.html |
| 4 | 1335 | 3.30 | 322 | 4.33 | ezooms.bot@gmail.com |
| 5 | 1237 | 3.06 | 307 | 4.13 | +http://yandex.com/bots |
| 6 | 738 | 1.83 | 369 | 4.96 | +http://www.bing.com/bingbot.htm |
| 7 | 471 | 1.17 | 2 | 0.03 | +http://www.warebay.com/bot.html |
| 8 | 376 | 0.93 | 1 | 0.01 | +http://swebot.net |
| 9 | 326 | 0.81 | 89 | 1.20 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 168 | 0.42 | 16 | 0.22 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 91 | 0.23 | 8 | 0.11 | http://crawler.sistrix.net/ |
| 12 | 82 | 0.20 | 65 | 0.87 | +http://ahrefs.com/robot/ |
| 13 | 67 | 0.17 | 5 | 0.07 | J2ME/MIDP |
| 14 | 59 | 0.15 | 52 | 0.70 | Windows 95 |
| 15 | 57 | 0.14 | 12 | 0.16 | Linux i686 [unknown version] |
| 16 | 52 | 0.13 | 19 | 0.26 | Windows 98 |
| 17 | 49 | 0.12 | 23 | 0.31 | +http://discoveryengine.com/discobot.htm... |
| 18 | 42 | 0.10 | 2 | 0.03 | Intel Mac OS X 10.4 |
| 19 | 37 | 0.09 | 3 | 0.04 | Nintendo Wii |
| 20 | 36 | 0.09 | 0 | 0.00 | http://desktop.google.com/ |
| 21 | 32 | 0.08 | 3 | 0.04 | Windows Phone OS 7.5 |
| 22 | 31 | 0.08 | 4 | 0.05 | Intel Mac OS X 10.5 |
| 23 | 31 | 0.08 | 6 | 0.08 | Intel Mac OS X 10.6 |
| 24 | 30 | 0.07 | 12 | 0.16 | +http://www.exabot.com/go/robot |
| 25 | 28 | 0.07 | 14 | 0.19 | +http://www.eventguru.com/spider.html |
| 26 | 22 | 0.05 | 21 | 0.28 | Windows ME |
| 27 | 20 | 0.05 | 0 | 0.00 | Windows 9. |
| 28 | 18 | 0.04 | 2 | 0.03 | PPC Mac OS X 10.4 |
| 29 | 17 | 0.04 | 13 | 0.17 | Windows CE |
| 30 | 17 | 0.04 | 1 | 0.01 | +http://www.aihit.com/ |
| 31 | 12 | 0.03 | 11 | 0.15 | Windows 2000 |
| 32 | 12 | 0.03 | 3 | 0.04 | Windows XP |
| 33 | 12 | 0.03 | 12 | 0.16 | Windows 3.1 |
| 34 | 11 | 0.03 | 10 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 35 | 10 | 0.02 | 5 | 0.07 | +http://shoulu.jike.com/spider.html |
| 36 | 5 | 0.01 | 0 | 0.00 | +http://tweetmeme.com/ |
| 37 | 5 | 0.01 | 5 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 38 | 4 | 0.01 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 39 | 3 | 0.01 | 1 | 0.01 | Series 60 |
| 40 | 3 | 0.01 | 3 | 0.04 | +http://www.netseer.com/crawler.html; cr... |
| 41 | 3 | 0.01 | 0 | 0.00 | Android |
| 42 | 2 | 0.00 | 1 | 0.01 | BREW |
| 43 | 2 | 0.00 | 1 | 0.01 | AOL 9.6; AOLBuild 4340.168; Windows NT 5... |
| 44 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 45 | 2 | 0.00 | 1 | 0.01 | Windows Phone OS 7.0 |
| 46 | 2 | 0.00 | 1 | 0.01 | +http://www.acoon.de/robot.asp |
| 47 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 48 | 1 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 49 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 50 | 1 | 0.00 | 0 | 0.00 | +http://fulltext.sblog.cz/screenshot/ |
| 51 | 1 | 0.00 | 0 | 0.00 | conversion; +http://docs.google.com |
