| Used Operating Systems |
| 1 | 16490 | 30.76 | 113 | 2.28 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 11612 | 21.66 | 857 | 17.26 | +http://www.bing.com/bingbot.htm |
| 3 | 6397 | 11.93 | 2 | 0.04 | +http://megaindex.com/crawler |
| 4 | 5884 | 10.97 | 89 | 1.79 | +http://ahrefs.com/robot/ |
| 5 | 5804 | 10.83 | 627 | 12.63 | +http://www.google.com/bot.html |
| 6 | 2188 | 4.08 | 1552 | 31.25 | +http://www.baidu.com/search/spider.html |
| 7 | 1650 | 3.08 | 606 | 12.20 | Windows NT |
| 8 | 887 | 1.65 | 343 | 6.91 | +http://www.xovibot.net/ |
| 9 | 810 | 1.51 | 199 | 4.01 | +http://www.linkdex.com/bots/ |
| 10 | 508 | 0.95 | 298 | 6.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 411 | 0.77 | 4 | 0.08 | +http://www.warebay.com/bot.html |
| 12 | 251 | 0.47 | 32 | 0.64 | +http://yandex.com/bots |
| 13 | 228 | 0.43 | 112 | 2.26 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 137 | 0.26 | 10 | 0.20 | +http://fulltext.sblog.cz/ |
| 15 | 63 | 0.12 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 16 | 54 | 0.10 | 20 | 0.40 | Windows XP |
| 17 | 38 | 0.07 | 15 | 0.30 | Windows 98 |
| 18 | 35 | 0.07 | 21 | 0.42 | Windows 95 |
| 19 | 24 | 0.04 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 20 | 12 | 0.02 | 3 | 0.06 | http://www.opensiteexplorer.org/dotbot, ... |
| 21 | 12 | 0.02 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 22 | 12 | 0.02 | 7 | 0.14 | ) - BrowseX (2.0.0 Windows |
| 23 | 12 | 0.02 | 6 | 0.12 | +http://duckduckgo.com |
| 24 | 11 | 0.02 | 1 | 0.02 | crawler@mixrank.com |
| 25 | 11 | 0.02 | 6 | 0.12 | +http://www.exabot.com/go/robot |
| 26 | 10 | 0.02 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 27 | 8 | 0.01 | 7 | 0.14 | Windows CE |
| 28 | 6 | 0.01 | 4 | 0.08 | Auto; Windows |
| 29 | 6 | 0.01 | 0 | 0.00 | +http://www.profound.net/domainappender |
| 30 | 5 | 0.01 | 4 | 0.08 | Windows 2000 |
| 31 | 5 | 0.01 | 5 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 32 | 4 | 0.01 | 4 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 33 | 4 | 0.01 | 4 | 0.08 | Windows 3.1 |
| 34 | 4 | 0.01 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 35 | 4 | 0.01 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 36 | 3 | 0.01 | 1 | 0.02 | +http://prlog.ru/ |
| 37 | 3 | 0.01 | 3 | 0.06 | +http://domainsigma.com/robot |
| 38 | 2 | 0.00 | 1 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 39 | 2 | 0.00 | 2 | 0.04 | Windows ME |
| 40 | 2 | 0.00 | 1 | 0.02 | +info@netcraft.com |
| 41 | 1 | 0.00 | 0 | 0.00 | Linux [unknown version] |
| 42 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 44 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
