| Used Operating Systems |
| 1 | 16561 | 59.09 | 5878 | 60.69 | Windows NT |
| 2 | 2665 | 9.51 | 225 | 2.32 | +http://www.bing.com/bingbot.htm |
| 3 | 1697 | 6.05 | 1628 | 16.81 | +http://www.baidu.com/search/spider.html |
| 4 | 1559 | 5.56 | 97 | 1.00 | +http://yandex.com/bots |
| 5 | 1551 | 5.53 | 496 | 5.12 | +http://www.google.com/bot.html |
| 6 | 1356 | 4.84 | 260 | 2.68 | ezooms.bot@gmail.com |
| 7 | 245 | 0.87 | 54 | 0.56 | +http://www.semrush.com/bot.html |
| 8 | 216 | 0.77 | 133 | 1.37 | +http://ahrefs.com/robot/ |
| 9 | 207 | 0.74 | 85 | 0.88 | Linux [unknown version] |
| 10 | 201 | 0.72 | 21 | 0.22 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 175 | 0.62 | 134 | 1.38 | Windows 95 |
| 12 | 126 | 0.45 | 80 | 0.83 | +http://help.soso.com/webspider.htm |
| 13 | 115 | 0.41 | 22 | 0.23 | Windows 98 |
| 14 | 113 | 0.40 | 57 | 0.59 | +http://www.profound.net/urlappendbot.ht... |
| 15 | 110 | 0.39 | 7 | 0.07 | Windows Phone OS 7.0 |
| 16 | 96 | 0.34 | 96 | 0.99 | http://www.yodao.com/help/webmaster/spid... |
| 17 | 87 | 0.31 | 45 | 0.46 | MSIE 5.5; Windows NT 5.0 |
| 18 | 70 | 0.25 | 9 | 0.09 | Android 4.0.3 |
| 19 | 66 | 0.24 | 5 | 0.05 | +http://siteexplorer.info/ |
| 20 | 60 | 0.21 | 4 | 0.04 | Windows Phone OS 7.5 |
| 21 | 51 | 0.18 | 21 | 0.22 | X11 |
| 22 | 49 | 0.17 | 8 | 0.08 | +http://shoulu.jike.com/spider.html |
| 23 | 46 | 0.16 | 1 | 0.01 | http://www.lipperhey.com/ |
| 24 | 41 | 0.15 | 22 | 0.23 | +http://www.exabot.com/go/robot |
| 25 | 39 | 0.14 | 32 | 0.33 | Windows 3.1 |
| 26 | 38 | 0.14 | 24 | 0.25 | J2ME/MIDP |
| 27 | 38 | 0.14 | 5 | 0.05 | Android |
| 28 | 37 | 0.13 | 30 | 0.31 | ) - BrowseX (2.0.0 Windows |
| 29 | 35 | 0.12 | 30 | 0.31 | Windows ME |
| 30 | 32 | 0.11 | 27 | 0.28 | MSIE 5.5; Windows NT 4.0 |
| 31 | 30 | 0.11 | 27 | 0.28 | Windows CE |
| 32 | 28 | 0.10 | 3 | 0.03 | Windows XP |
| 33 | 27 | 0.10 | 25 | 0.26 | Auto; Windows |
| 34 | 26 | 0.09 | 1 | 0.01 | PPC Mac OS X 10.4 |
| 35 | 25 | 0.09 | 6 | 0.06 | Android 2.3.5 |
| 36 | 21 | 0.07 | 5 | 0.05 | Linux i686 [unknown version] |
| 37 | 20 | 0.07 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 38 | 17 | 0.06 | 8 | 0.08 | http://crawler.sistrix.net/ |
| 39 | 16 | 0.06 | 8 | 0.08 | http://www.youdao.com/help/webmaster/spi... |
| 40 | 15 | 0.05 | 14 | 0.14 | Windows 2000 |
| 41 | 15 | 0.05 | 0 | 0.00 | +http://www.compspy.com/spider.html |
| 42 | 14 | 0.05 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 43 | 12 | 0.04 | 4 | 0.04 | Intel Mac OS X 10.6 |
| 44 | 8 | 0.03 | 8 | 0.08 | Series 60 |
| 45 | 8 | 0.03 | 2 | 0.02 | +http://www.easou.com/search/spider.html |
| 46 | 7 | 0.02 | 7 | 0.07 | Windows Mobile |
| 47 | 7 | 0.02 | 1 | 0.01 | Nintendo DSi |
| 48 | 5 | 0.02 | 3 | 0.03 | +http://www.proximic.com/info/spider.php |
| 49 | 4 | 0.01 | 0 | 0.00 | Windows 9. |
| 50 | 4 | 0.01 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 51 | 3 | 0.01 | 0 | 0.00 | Windows |
| 52 | 3 | 0.01 | 1 | 0.01 | BlackBerry |
| 53 | 3 | 0.01 | 1 | 0.01 | http://help.yahoo.com/help/us/ysearch/sl... |
| 54 | 3 | 0.01 | 3 | 0.03 | iPhone |
| 55 | 2 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 56 | 2 | 0.01 | 2 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 57 | 2 | 0.01 | 2 | 0.02 | +http://pmoz.info/doc/botinfo.htm |
| 58 | 2 | 0.01 | 1 | 0.01 | +http://www.yunyun.com/spider.html |
| 59 | 2 | 0.01 | 2 | 0.02 | S60 |
| 60 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 61 | 2 | 0.01 | 2 | 0.02 | WOW64; Trident/5.0 |
| 62 | 1 | 0.00 | 1 | 0.01 | Android 2.3.3 |
| 63 | 1 | 0.00 | 1 | 0.01 | +http://tweetmeme.com/ |
| 64 | 1 | 0.00 | 1 | 0.01 | +http://discoveryengine.com/discobot.htm... |
| 65 | 1 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 66 | 1 | 0.00 | 1 | 0.01 | +http://www.warebay.com/bot.html |
| 67 | 1 | 0.00 | 1 | 0.01 | Macintosh |
| 68 | 1 | 0.00 | 1 | 0.01 | +http://domains.checkparams.com/ |
| 69 | 1 | 0.00 | 1 | 0.01 | Dyatel; +http://yandex.com/bots |
| 70 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 71 | 1 | 0.00 | 1 | 0.01 | Android 3.2.1 |
