| Used Operating Systems |
| 1 | 169964 | 77.05 | 7542 | 43.74 | Windows NT |
| 2 | 12260 | 5.56 | 204 | 1.18 | +http://yandex.com/bots |
| 3 | 12199 | 5.53 | 1206 | 6.99 | +http://www.google.com/bot.html |
| 4 | 6085 | 2.76 | 192 | 1.11 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 5605 | 2.54 | 4791 | 27.79 | +http://www.baidu.com/search/spider.html |
| 6 | 5017 | 2.27 | 1719 | 9.97 | +http://www.bing.com/bingbot.htm |
| 7 | 2960 | 1.34 | 4 | 0.02 | http://crawler.sistrix.net/ |
| 8 | 1733 | 0.79 | 26 | 0.15 | +http://www.seoprofiler.com/bot |
| 9 | 1270 | 0.58 | 210 | 1.22 | help@moz.com |
| 10 | 525 | 0.24 | 214 | 1.24 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 448 | 0.20 | 3 | 0.02 | Intel Mac OS X 10.4 |
| 12 | 389 | 0.18 | 301 | 1.75 | Windows 95 |
| 13 | 318 | 0.14 | 57 | 0.33 | Windows 98 |
| 14 | 286 | 0.13 | 113 | 0.66 | MSIE 5.5; Windows 95 |
| 15 | 159 | 0.07 | 58 | 0.34 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 107 | 0.05 | 12 | 0.07 | Intel Mac OS X 10.6 |
| 17 | 95 | 0.04 | 14 | 0.08 | +http://siteexplorer.info/ |
| 18 | 92 | 0.04 | 20 | 0.12 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 79 | 0.04 | 25 | 0.14 | +http://www.exabot.com/go/robot |
| 20 | 76 | 0.03 | 69 | 0.40 | MSIE 5.5; Windows NT 5.0 |
| 21 | 70 | 0.03 | 63 | 0.37 | ) - BrowseX (2.0.0 Windows |
| 22 | 68 | 0.03 | 60 | 0.35 | Windows 2000 |
| 23 | 68 | 0.03 | 64 | 0.37 | MSIE 5.5; Windows NT 4.0 |
| 24 | 66 | 0.03 | 61 | 0.35 | Windows 3.1 |
| 25 | 65 | 0.03 | 1 | 0.01 | PPC Mac OS X 10.5 |
| 26 | 61 | 0.03 | 57 | 0.33 | Auto; Windows |
| 27 | 61 | 0.03 | 52 | 0.30 | Windows ME |
| 28 | 60 | 0.03 | 3 | 0.02 | Windows Phone OS 7.5 |
| 29 | 59 | 0.03 | 4 | 0.02 | X11 |
| 30 | 58 | 0.03 | 53 | 0.31 | Windows CE |
| 31 | 50 | 0.02 | 0 | 0.00 | Windows XP |
| 32 | 34 | 0.02 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 33 | 32 | 0.01 | 0 | 0.00 | Win32 |
| 34 | 27 | 0.01 | 10 | 0.06 | +http://www.proximic.com/info/spider.php |
| 35 | 24 | 0.01 | 6 | 0.03 | Android 2.3.5 |
| 36 | 23 | 0.01 | 12 | 0.07 | +http://www.grapeshot.co.uk/crawler.php |
| 37 | 15 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 38 | 13 | 0.01 | 1 | 0.01 | Intel Mac OS X 10.7 |
| 39 | 10 | 0.00 | 1 | 0.01 | Windows 99 |
| 40 | 7 | 0.00 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 41 | 6 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 6 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 43 | 4 | 0.00 | 0 | 0.00 | Android |
| 44 | 4 | 0.00 | 2 | 0.01 | http://help.zum.com/inquiry |
| 45 | 3 | 0.00 | 3 | 0.02 | http://support.paper.li/entries/20023257... |
| 46 | 3 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 47 | 3 | 0.00 | 2 | 0.01 | +http://webmeup-crawler.com/ |
| 48 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 49 | 2 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 50 | 2 | 0.00 | 1 | 0.01 | mailto: crawling@ubermetrics-technologie... |
| 51 | 2 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 52 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 53 | 1 | 0.00 | 1 | 0.01 | +http://tweetmeme.com/ |
| 54 | 1 | 0.00 | 1 | 0.01 | +http://www.yesup.net/bot.html |
| 55 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 56 | 1 | 0.00 | 0 | 0.00 | +http://fulltext.sblog.cz/screenshot/ |
