| Used Operating Systems |
| 1 | 15730 | 78.11 | 4201 | 63.46 | Windows NT |
| 2 | 1660 | 8.24 | 1572 | 23.75 | +http://www.baidu.com/search/spider.html |
| 3 | 843 | 4.19 | 265 | 4.00 | +http://www.bing.com/bingbot.htm |
| 4 | 600 | 2.98 | 170 | 2.57 | Windows 98 |
| 5 | 312 | 1.55 | 104 | 1.57 | +http://www.google.com/bot.html |
| 6 | 266 | 1.32 | 21 | 0.32 | +http://yandex.com/bots |
| 7 | 157 | 0.78 | 74 | 1.12 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 88 | 0.44 | 12 | 0.18 | X11 |
| 9 | 52 | 0.26 | 22 | 0.33 | Windows 3.1 |
| 10 | 46 | 0.23 | 32 | 0.48 | Windows 95 |
| 11 | 43 | 0.21 | 14 | 0.21 | Windows XP |
| 12 | 40 | 0.20 | 2 | 0.03 | Android 2.3.5 |
| 13 | 38 | 0.19 | 23 | 0.35 | +http://www.semrush.com/bot.html |
| 14 | 35 | 0.17 | 5 | 0.08 | +http://www.seoprofiler.com/bot |
| 15 | 34 | 0.17 | 15 | 0.23 | +http://www.easou.com/search/spider.html |
| 16 | 34 | 0.17 | 17 | 0.26 | help@moz.com |
| 17 | 22 | 0.11 | 11 | 0.17 | +http://www.career-x.de/bot.html |
| 18 | 12 | 0.06 | 6 | 0.09 | ezooms.bot@gmail.com |
| 19 | 12 | 0.06 | 6 | 0.09 | +http://www.exabot.com/go/robot |
| 20 | 10 | 0.05 | 3 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 10 | 0.05 | 10 | 0.15 | +http://tweetmeme.com/ |
| 22 | 8 | 0.04 | 4 | 0.06 | Windows CE |
| 23 | 8 | 0.04 | 0 | 0.00 | Win32 |
| 24 | 8 | 0.04 | 4 | 0.06 | http://crawler.sistrix.net/ |
| 25 | 8 | 0.04 | 0 | 0.00 | Linux 2.4.x |
| 26 | 8 | 0.04 | 1 | 0.02 | Windows Phone OS 7.5 |
| 27 | 6 | 0.03 | 2 | 0.03 | Windows ME |
| 28 | 5 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 29 | 5 | 0.02 | 2 | 0.03 | +http://help.coccoc.com/ |
| 30 | 5 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 31 | 4 | 0.02 | 4 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 32 | 4 | 0.02 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 33 | 3 | 0.01 | 3 | 0.05 | Windows 2000 |
| 34 | 3 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 35 | 3 | 0.01 | 3 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 36 | 2 | 0.01 | 1 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 37 | 2 | 0.01 | 1 | 0.02 | +http://www.proximic.com/info/spider.php |
| 38 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 2 | 0.01 | 1 | 0.02 | +http://www.yunyun.com/spider.html |
| 40 | 2 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 41 | 2 | 0.01 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 42 | 2 | 0.01 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 43 | 1 | 0.00 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 44 | 1 | 0.00 | 1 | 0.02 | Auto; Windows |
