| Used Operating Systems |
| 1 | 33585 | 81.73 | 1939 | 38.66 | Windows NT |
| 2 | 2021 | 4.92 | 1903 | 37.94 | +http://www.baidu.com/search/spider.html |
| 3 | 1318 | 3.21 | 69 | 1.38 | J2ME/MIDP |
| 4 | 496 | 1.21 | 159 | 3.17 | +http://www.google.com/bot.html |
| 5 | 494 | 1.20 | 215 | 4.29 | +http://yandex.com/bots |
| 6 | 363 | 0.88 | 181 | 3.61 | +http://www.bing.com/bingbot.htm |
| 7 | 341 | 0.83 | 183 | 3.65 | +http://ahrefs.com/robot/ |
| 8 | 305 | 0.74 | 14 | 0.28 | Series 60 |
| 9 | 151 | 0.37 | 71 | 1.42 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 150 | 0.37 | 4 | 0.08 | Intel Mac OS X 10.5 |
| 11 | 147 | 0.36 | 69 | 1.38 | ezooms.bot@gmail.com |
| 12 | 142 | 0.35 | 13 | 0.26 | Linux i686 [unknown version] |
| 13 | 142 | 0.35 | 19 | 0.38 | Intel Mac OS X 10.6 |
| 14 | 141 | 0.34 | 8 | 0.16 | BlackBerry |
| 15 | 124 | 0.30 | 4 | 0.08 | http://crawler.sistrix.net/ |
| 16 | 120 | 0.29 | 30 | 0.60 | Linux i386 [unknown version] |
| 17 | 106 | 0.26 | 5 | 0.10 | X11 |
| 18 | 94 | 0.23 | 9 | 0.18 | Windows 98 |
| 19 | 89 | 0.22 | 5 | 0.10 | Intel Mac OS X 10.4 |
| 20 | 74 | 0.18 | 3 | 0.06 | Macintosh |
| 21 | 62 | 0.15 | 3 | 0.06 | Windows Mobile |
| 22 | 62 | 0.15 | 7 | 0.14 | http://help.yahoo.com/help/us/ysearch/sl... |
| 23 | 55 | 0.13 | 3 | 0.06 | Android 2.3.5 |
| 24 | 43 | 0.10 | 1 | 0.02 | iPhone |
| 25 | 38 | 0.09 | 20 | 0.40 | +http://discoveryengine.com/discobot.htm... |
| 26 | 37 | 0.09 | 11 | 0.22 | ScoutJet; +http://blekko.com/about/blekk... |
| 27 | 32 | 0.08 | 14 | 0.28 | +http://www.eventguru.com/spider.html |
| 28 | 30 | 0.07 | 1 | 0.02 | Unknown |
| 29 | 30 | 0.07 | 1 | 0.02 | Nintendo Wii |
| 30 | 29 | 0.07 | 2 | 0.04 | Android 2.3.7 |
| 31 | 24 | 0.06 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 32 | 22 | 0.05 | 0 | 0.00 | http://desktop.google.com/ |
| 33 | 21 | 0.05 | 1 | 0.02 | PPC Mac OS X 10.4 |
| 34 | 21 | 0.05 | 1 | 0.02 | Android 2.3.6 |
| 35 | 21 | 0.05 | 1 | 0.02 | Windows Phone OS 7.5 |
| 36 | 21 | 0.05 | 1 | 0.02 | http://nlp.fi.muni.cz/projects/biwec/ |
| 37 | 21 | 0.05 | 0 | 0.00 | Windows 90 |
| 38 | 20 | 0.05 | 0 | 0.00 | Windows 9. |
| 39 | 17 | 0.04 | 8 | 0.16 | +http://www.exabot.com/go/robot |
| 40 | 15 | 0.04 | 8 | 0.16 | +http://shoulu.jike.com/spider.html |
| 41 | 10 | 0.02 | 1 | 0.02 | Windows XP |
| 42 | 9 | 0.02 | 2 | 0.04 | Macintosh PPC |
| 43 | 6 | 0.01 | 6 | 0.12 | http://support.paper.li/entries/20023257... |
| 44 | 5 | 0.01 | 5 | 0.10 | WinHttp.WinHttpRequest.5 |
| 45 | 4 | 0.01 | 2 | 0.04 | +http://www.openindex.io/en/webmasters/s... |
| 46 | 4 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 47 | 4 | 0.01 | 0 | 0.00 | PPC Mac OS X 10.5 |
| 48 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 49 | 2 | 0.00 | 0 | 0.00 | Nintendo DSi |
| 50 | 2 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 51 | 2 | 0.00 | 2 | 0.04 | +http://tweetmeme.com/ |
| 52 | 2 | 0.00 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 53 | 2 | 0.00 | 1 | 0.02 | +info@netcraft.com |
| 54 | 1 | 0.00 | 1 | 0.02 | info@muso.com; +http://www.muso.com |
| 55 | 1 | 0.00 | 1 | 0.02 | http://www.whizbang.com/crawler |
| 56 | 1 | 0.00 | 1 | 0.02 | Windows 2000 |
| 57 | 1 | 0.00 | 0 | 0.00 | Windows |
| 58 | 1 | 0.00 | 1 | 0.02 | Windows 6.0; MSIE 8.0.6001.18241 |
| 59 | 1 | 0.00 | 1 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 60 | 1 | 0.00 | 0 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 61 | 1 | 0.00 | 0 | 0.00 | AOL 9.6; AOLBuild 4340.5004; Windows NT ... |
| 62 | 1 | 0.00 | 0 | 0.00 | Android |
| 63 | 1 | 0.00 | 1 | 0.02 | Windows 9x |
| 64 | 1 | 0.00 | 1 | 0.02 | Win16 |
| 65 | 1 | 0.00 | 0 | 0.00 | +http://fulltext.sblog.cz/screenshot/ |
| 66 | 1 | 0.00 | 0 | 0.00 | Android 3.1 |
| 67 | 1 | 0.00 | 1 | 0.02 | Windows 95 |
