| Used Operating Systems |
| 1 | 8178 | 53.11 | 2138 | 40.15 | Windows NT |
| 2 | 1565 | 10.16 | 1518 | 28.51 | +http://www.baidu.com/search/spider.html |
| 3 | 1196 | 7.77 | 374 | 7.02 | +http://www.bing.com/bingbot.htm |
| 4 | 1025 | 6.66 | 37 | 0.69 | +http://yandex.com/bots |
| 5 | 793 | 5.15 | 553 | 10.38 | +http://www.easou.com/search/spider.html |
| 6 | 650 | 4.22 | 233 | 4.38 | help@moz.com |
| 7 | 454 | 2.95 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 8 | 340 | 2.21 | 131 | 2.46 | +http://www.google.com/bot.html |
| 9 | 299 | 1.94 | 77 | 1.45 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 169 | 1.10 | 39 | 0.73 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 161 | 1.05 | 40 | 0.75 | http://www.majestic12.co.uk/bot.php?+ |
| 12 | 130 | 0.84 | 61 | 1.15 | +http://www.linkdex.com/about/bots/ |
| 13 | 60 | 0.39 | 36 | 0.68 | +http://www.exabot.com/go/robot |
| 14 | 45 | 0.29 | 16 | 0.30 | Windows 98 |
| 15 | 45 | 0.29 | 1 | 0.02 | MTK |
| 16 | 42 | 0.27 | 20 | 0.38 | Windows 95 |
| 17 | 30 | 0.19 | 3 | 0.06 | +http://www.profound.net/urlappendbot.ht... |
| 18 | 29 | 0.19 | 5 | 0.09 | X11 |
| 19 | 27 | 0.18 | 3 | 0.06 | http://www.searchmetrics.com/en/searchme... |
| 20 | 22 | 0.14 | 4 | 0.08 | +http://siteexplorer.info/ |
| 21 | 18 | 0.12 | 6 | 0.11 | Windows ME |
| 22 | 18 | 0.12 | 2 | 0.04 | Android 2.3.5 |
| 23 | 15 | 0.10 | 0 | 0.00 | Linux [unknown version] |
| 24 | 12 | 0.08 | 4 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 25 | 9 | 0.06 | 3 | 0.06 | Auto; Windows |
| 26 | 9 | 0.06 | 3 | 0.06 | Windows 3.1 |
| 27 | 8 | 0.05 | 4 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 28 | 6 | 0.04 | 2 | 0.04 | Windows CE |
| 29 | 6 | 0.04 | 0 | 0.00 | BlackBerry |
| 30 | 6 | 0.04 | 3 | 0.06 | http://crawler.sistrix.net/ |
| 31 | 6 | 0.04 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 32 | 5 | 0.03 | 0 | 0.00 | Macintosh PPC |
| 33 | 4 | 0.03 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 34 | 3 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 35 | 3 | 0.02 | 2 | 0.04 | +info@netcraft.com |
| 36 | 2 | 0.01 | 0 | 0.00 | Win32 |
| 37 | 2 | 0.01 | 1 | 0.02 | Windows 92 |
| 38 | 2 | 0.01 | 1 | 0.02 | +http://fulltext.sblog.cz/ |
| 39 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 40 | 1 | 0.01 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 41 | 1 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 42 | 1 | 0.01 | 0 | 0.00 | AOL 9.7; AOLBuild 4343.30; Windows NT 6.... |
