| Used Operating Systems by Visits |
| 1 | 4516 | 10.09 | 3428 | 51.32 | +http://www.baidu.com/search/spider.html |
| 2 | 3687 | 8.24 | 1619 | 24.24 | Windows NT |
| 3 | 2107 | 4.71 | 524 | 7.84 | +http://www.google.com/bot.html |
| 4 | 32095 | 71.69 | 276 | 4.13 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 551 | 1.23 | 266 | 3.98 | +http://www.bing.com/bingbot.htm |
| 6 | 526 | 1.17 | 108 | 1.62 | +http://yandex.com/bots |
| 7 | 92 | 0.21 | 72 | 1.08 | +http://www.linkdex.com/bots/ |
| 8 | 78 | 0.17 | 61 | 0.91 | Windows 95 |
| 9 | 108 | 0.24 | 53 | 0.79 | +http://ahrefs.com/robot/ |
| 10 | 152 | 0.34 | 31 | 0.46 | +http://help.coccoc.com/ |
| 11 | 67 | 0.15 | 25 | 0.37 | +http://www.exabot.com/go/robot |
| 12 | 45 | 0.10 | 16 | 0.24 | Windows 98 |
| 13 | 16 | 0.04 | 13 | 0.19 | Windows CE |
| 14 | 13 | 0.03 | 13 | 0.19 | MSIE 5.5; Windows NT 5.0 |
| 15 | 17 | 0.04 | 13 | 0.19 | MSIE 5.5; Windows NT 4.0 |
| 16 | 18 | 0.04 | 12 | 0.18 | +http://www.meanpath.com/meanpathbot.htm... |
| 17 | 34 | 0.08 | 11 | 0.16 | +http://www.semrush.com/bot.html |
| 18 | 12 | 0.03 | 10 | 0.15 | Auto; Windows |
| 19 | 20 | 0.04 | 10 | 0.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 20 | 13 | 0.03 | 10 | 0.15 | Windows 3.1 |
| 21 | 11 | 0.02 | 9 | 0.13 | +http://www.seograph.net/bot.html |
| 22 | 9 | 0.02 | 8 | 0.12 | Windows 2000 |
| 23 | 15 | 0.03 | 8 | 0.12 | http://www.opensiteexplorer.org/dotbot, ... |
| 24 | 25 | 0.06 | 8 | 0.12 | +http://www.findxbot.com |
| 25 | 8 | 0.02 | 7 | 0.10 | ) - BrowseX (2.0.0 Windows |
| 26 | 7 | 0.02 | 7 | 0.10 | +http://domainsigma.com/robot |
| 27 | 12 | 0.03 | 6 | 0.09 | support.orangebot@orange.com |
| 28 | 284 | 0.63 | 6 | 0.09 | +http://fulltext.sblog.cz/ |
| 29 | 35 | 0.08 | 5 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 30 | 5 | 0.01 | 5 | 0.07 | +http://www.xovibot.net/ |
| 31 | 6 | 0.01 | 4 | 0.06 | Linux i686 [unknown version] |
| 32 | 6 | 0.01 | 4 | 0.06 | +info@netcraft.com |
| 33 | 4 | 0.01 | 4 | 0.06 | Linux i586 [unknown version] |
| 34 | 6 | 0.01 | 3 | 0.04 | +http://gimmeusa-update.com/crawler |
| 35 | 18 | 0.04 | 3 | 0.04 | http://www.searchmetrics.com/en/searchme... |
| 36 | 25 | 0.06 | 3 | 0.04 | Linux [unknown version] |
| 37 | 5 | 0.01 | 3 | 0.04 | Windows ME |
| 38 | 15 | 0.03 | 3 | 0.04 | +http://www.profound.net/domainappender |
| 39 | 6 | 0.01 | 2 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 40 | 2 | 0.00 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 41 | 16 | 0.04 | 2 | 0.03 | +http://www.similartech.com/smtbot |
| 42 | 14 | 0.03 | 2 | 0.03 | Windows XP |
| 43 | 53 | 0.12 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 44 | 3 | 0.01 | 1 | 0.01 | +http://duckduckgo.com |
| 45 | 4 | 0.01 | 1 | 0.01 | +http://prlog.ru/ |
| 46 | 10 | 0.02 | 1 | 0.01 | http://filterdb.iss.net/crawler/ |
| 47 | 1 | 0.00 | 1 | 0.01 | PPC Mac OS X Mach-O |
