| Used Operating Systems by Visits |
| 1 | 4239 | 10.60 | 3283 | 57.19 | +http://www.baidu.com/search/spider.html |
| 2 | 1801 | 4.50 | 1127 | 19.63 | Windows NT |
| 3 | 785 | 1.96 | 333 | 5.80 | +http://www.google.com/bot.html |
| 4 | 832 | 2.08 | 260 | 4.53 | +http://www.bing.com/bingbot.htm |
| 5 | 394 | 0.99 | 167 | 2.91 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 6 | 18995 | 47.49 | 161 | 2.80 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 281 | 0.70 | 81 | 1.41 | +http://www.linkdex.com/bots/ |
| 8 | 291 | 0.73 | 78 | 1.36 | +http://yandex.com/bots |
| 9 | 3764 | 9.41 | 65 | 1.13 | +http://www.semrush.com/bot.html |
| 10 | 58 | 0.15 | 34 | 0.59 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 56 | 0.14 | 32 | 0.56 | +http://www.exabot.com/go/robot |
| 12 | 29 | 0.07 | 21 | 0.37 | Windows 95 |
| 13 | 45 | 0.11 | 15 | 0.26 | Windows XP |
| 14 | 24 | 0.06 | 15 | 0.26 | Windows 98 |
| 15 | 44 | 0.11 | 10 | 0.17 | +http://www.xovibot.net/ |
| 16 | 11 | 0.03 | 8 | 0.14 | Windows 2000 |
| 17 | 9 | 0.02 | 7 | 0.12 | MSIE 5.5; Windows NT 4.0 |
| 18 | 6 | 0.02 | 6 | 0.10 | Windows 3.1 |
| 19 | 9 | 0.02 | 4 | 0.07 | http://www.opensiteexplorer.org/dotbot, ... |
| 20 | 1629 | 4.07 | 4 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 21 | 9 | 0.02 | 4 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 22 | 5 | 0.01 | 3 | 0.05 | Windows CE |
| 23 | 3 | 0.01 | 3 | 0.05 | Auto; Windows |
| 24 | 4 | 0.01 | 3 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 25 | 3 | 0.01 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 26 | 2 | 0.01 | 2 | 0.03 | Windows ME |
| 27 | 24 | 0.06 | 2 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 28 | 15 | 0.04 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 29 | 2 | 0.01 | 1 | 0.02 | http://www.botje.com/plukkie.htm |
| 30 | 2 | 0.01 | 1 | 0.02 | +http://www.privacyaware.org |
| 31 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
| 32 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 33 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 34 | 1 | 0.00 | 1 | 0.02 | +http://domainmacro.com |
| 35 | 2 | 0.01 | 1 | 0.02 | +http://duckduckgo.com |
| 36 | 6614 | 16.54 | 1 | 0.02 | +http://megaindex.com/crawler |
| 37 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 38 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
