| Used Operating Systems |
| 1 | 101930 | 68.54 | 6898 | 45.72 | Windows NT |
| 2 | 12597 | 8.47 | 1152 | 7.63 | +http://www.google.com/bot.html |
| 3 | 11226 | 7.55 | 143 | 0.95 | +http://yandex.com/bots |
| 4 | 6395 | 4.30 | 179 | 1.19 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 4653 | 3.13 | 1545 | 10.24 | +http://www.bing.com/bingbot.htm |
| 6 | 4653 | 3.13 | 4072 | 26.99 | +http://www.baidu.com/search/spider.html |
| 7 | 2867 | 1.93 | 4 | 0.03 | http://crawler.sistrix.net/ |
| 8 | 1313 | 0.88 | 19 | 0.13 | +http://www.seoprofiler.com/bot |
| 9 | 903 | 0.61 | 157 | 1.04 | help@moz.com |
| 10 | 300 | 0.20 | 176 | 1.17 | MSIE 5.5; Windows 95 |
| 11 | 280 | 0.19 | 15 | 0.10 | Intel Mac OS X 10.6 |
| 12 | 211 | 0.14 | 68 | 0.45 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 199 | 0.13 | 157 | 1.04 | Windows 95 |
| 14 | 192 | 0.13 | 27 | 0.18 | ezooms.bot@gmail.com |
| 15 | 161 | 0.11 | 103 | 0.68 | MSIE 5.5; Windows NT 5.0 |
| 16 | 128 | 0.09 | 27 | 0.18 | Windows 98 |
| 17 | 101 | 0.07 | 19 | 0.13 | X11 |
| 18 | 67 | 0.05 | 18 | 0.12 | +http://www.exabot.com/go/robot |
| 19 | 60 | 0.04 | 8 | 0.05 | +http://siteexplorer.info/ |
| 20 | 42 | 0.03 | 39 | 0.26 | Windows CE |
| 21 | 41 | 0.03 | 35 | 0.23 | Windows ME |
| 22 | 40 | 0.03 | 38 | 0.25 | ) - BrowseX (2.0.0 Windows |
| 23 | 39 | 0.03 | 8 | 0.05 | Android 2.3.5 |
| 24 | 34 | 0.02 | 29 | 0.19 | Windows 3.1 |
| 25 | 33 | 0.02 | 30 | 0.20 | MSIE 5.5; Windows NT 4.0 |
| 26 | 28 | 0.02 | 27 | 0.18 | Windows 2000 |
| 27 | 26 | 0.02 | 25 | 0.17 | Auto; Windows |
| 28 | 25 | 0.02 | 1 | 0.01 | Windows XP |
| 29 | 25 | 0.02 | 18 | 0.12 | +http://www.grapeshot.co.uk/crawler.php |
| 30 | 20 | 0.01 | 11 | 0.07 | +http://www.proximic.com/info/spider.php |
| 31 | 17 | 0.01 | 0 | 0.00 | Win32 |
| 32 | 17 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 33 | 16 | 0.01 | 8 | 0.05 | Linux i686 [unknown version] |
| 34 | 10 | 0.01 | 6 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 35 | 9 | 0.01 | 1 | 0.01 | Windows Phone OS 7.5 |
| 36 | 7 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 37 | 7 | 0.00 | 6 | 0.04 | http://help.yahoo.com/help/us/ysearch/sl... |
| 38 | 7 | 0.00 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 39 | 6 | 0.00 | 1 | 0.01 | Macintosh PPC |
| 40 | 5 | 0.00 | 1 | 0.01 | PPC Mac OS X Mach-O |
| 41 | 4 | 0.00 | 1 | 0.01 | +http://www.yunyun.com/spider.html |
| 42 | 4 | 0.00 | 2 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 43 | 3 | 0.00 | 2 | 0.01 | http://help.zum.com/inquiry |
| 44 | 3 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 45 | 3 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 46 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 47 | 2 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 48 | 2 | 0.00 | 1 | 0.01 | +http://tweetmeme.com/ |
| 49 | 2 | 0.00 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 50 | 2 | 0.00 | 2 | 0.01 | Linux 2.2.x |
| 51 | 1 | 0.00 | 1 | 0.01 | Solaris 2.6.x |
| 52 | 1 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 53 | 1 | 0.00 | 1 | 0.01 | http://support.paper.li/entries/20023257... |
| 54 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 55 | 1 | 0.00 | 1 | 0.01 | Macintosh |
| 56 | 1 | 0.00 | 1 | 0.01 | IRIX 6.x |
| 57 | 1 | 0.00 | 1 | 0.01 | http://www.dataprovider.com/ |
