| Used Operating Systems by Visits |
| 1 | 3330 | 8.05 | 1743 | 31.35 | Windows NT |
| 2 | 1847 | 4.47 | 1585 | 28.51 | +http://www.baidu.com/search/spider.html |
| 3 | 3411 | 8.25 | 954 | 17.16 | +http://www.xovibot.net/ |
| 4 | 25489 | 61.64 | 283 | 5.09 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 2591 | 6.27 | 270 | 4.86 | +http://www.bing.com/bingbot.htm |
| 6 | 123 | 0.30 | 111 | 2.00 | Windows 95 |
| 7 | 501 | 1.21 | 110 | 1.98 | +http://ahrefs.com/robot/ |
| 8 | 149 | 0.36 | 53 | 0.95 | +http://www.google.com/bot.html |
| 9 | 203 | 0.49 | 52 | 0.94 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 147 | 0.36 | 45 | 0.81 | +http://yandex.com/bots |
| 11 | 604 | 1.46 | 34 | 0.61 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 70 | 0.17 | 33 | 0.59 | +http://www.exabot.com/go/robot |
| 13 | 29 | 0.07 | 25 | 0.45 | Windows 2000 |
| 14 | 183 | 0.44 | 25 | 0.45 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 23 | 0.06 | 22 | 0.40 | MSIE 5.5; Windows NT 5.0 |
| 16 | 22 | 0.05 | 20 | 0.36 | Windows 3.1 |
| 17 | 19 | 0.05 | 19 | 0.34 | Windows ME |
| 18 | 72 | 0.17 | 19 | 0.34 | Windows 98 |
| 19 | 577 | 1.40 | 19 | 0.34 | +http://fulltext.sblog.cz/ |
| 20 | 19 | 0.05 | 18 | 0.32 | ) - BrowseX (2.0.0 Windows |
| 21 | 19 | 0.05 | 18 | 0.32 | MSIE 5.5; Windows NT 4.0 |
| 22 | 17 | 0.04 | 16 | 0.29 | Windows CE |
| 23 | 47 | 0.11 | 13 | 0.23 | +http://www.linkdex.com/bots/ |
| 24 | 12 | 0.03 | 12 | 0.22 | Auto; Windows |
| 25 | 13 | 0.03 | 8 | 0.14 | Linux [unknown version] |
| 26 | 8 | 0.02 | 8 | 0.14 | X11 |
| 27 | 7 | 0.02 | 6 | 0.11 | +http://www.domaintuno.com/robot |
| 28 | 12 | 0.03 | 6 | 0.11 | +http://www.meanpath.com/meanpathbot.htm... |
| 29 | 5 | 0.01 | 5 | 0.09 | Linux i686 [unknown version] |
| 30 | 47 | 0.11 | 5 | 0.09 | +http://www.semrush.com/bot.html |
| 31 | 20 | 0.05 | 4 | 0.07 | Windows XP |
| 32 | 3 | 0.01 | 3 | 0.05 | Linux i586 [unknown version] |
| 33 | 2 | 0.00 | 2 | 0.04 | +http://www.seograph.net/bot.html |
| 34 | 100 | 0.24 | 2 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 35 | 1424 | 3.44 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 36 | 3 | 0.01 | 2 | 0.04 | PPC Mac OS X Mach-O |
| 37 | 94 | 0.23 | 2 | 0.04 | +http://webmeup-crawler.com/ |
| 38 | 4 | 0.01 | 2 | 0.04 | +http://www.findxbot.com |
| 39 | 90 | 0.22 | 2 | 0.04 | +http://advbot.org/bot.html |
| 40 | 11 | 0.03 | 1 | 0.02 | crawler@mixrank.com |
| 41 | 2 | 0.00 | 1 | 0.02 | +http://gimmeusa-update.com/crawler |
| 42 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
