| Used Operating Systems |
| 1 | 46898 | 44.53 | 2 | 0.06 | +http://megaindex.com/crawler |
| 2 | 37019 | 35.15 | 316 | 9.46 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 8110 | 7.70 | 23 | 0.69 | +http://ahrefs.com/robot/ |
| 4 | 4603 | 4.37 | 1256 | 37.60 | Windows NT |
| 5 | 1406 | 1.33 | 4 | 0.12 | +http://archive-no.com/bot |
| 6 | 1321 | 1.25 | 758 | 22.69 | +http://www.baidu.com/search/spider.html |
| 7 | 1264 | 1.20 | 4 | 0.12 | +http://OpenLinkProfiler.org/bot |
| 8 | 967 | 0.92 | 200 | 5.99 | +http://www.linkdex.com/bots/ |
| 9 | 750 | 0.71 | 147 | 4.40 | +http://www.google.com/bot.html |
| 10 | 617 | 0.59 | 114 | 3.41 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 578 | 0.55 | 175 | 5.24 | +http://www.bing.com/bingbot.htm |
| 12 | 444 | 0.42 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 13 | 304 | 0.29 | 40 | 1.20 | +http://yandex.com/bots |
| 14 | 234 | 0.22 | 12 | 0.36 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 101 | 0.10 | 78 | 2.34 | Windows 95 |
| 16 | 97 | 0.09 | 31 | 0.93 | +http://www.exabot.com/go/robot |
| 17 | 86 | 0.08 | 19 | 0.57 | Windows 98 |
| 18 | 75 | 0.07 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 19 | 66 | 0.06 | 2 | 0.06 | http://www.opensiteexplorer.org/dotbot, ... |
| 20 | 50 | 0.05 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 21 | 33 | 0.03 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 22 | 28 | 0.03 | 0 | 0.00 | +http://glutenfreepleasure.com/ |
| 23 | 27 | 0.03 | 21 | 0.63 | Windows 2000 |
| 24 | 27 | 0.03 | 23 | 0.69 | MSIE 5.5; Windows NT 5.0 |
| 25 | 26 | 0.02 | 10 | 0.30 | Windows XP |
| 26 | 25 | 0.02 | 10 | 0.30 | Windows ME |
| 27 | 24 | 0.02 | 2 | 0.06 | +https://www.lipperhey.com/en/about/ |
| 28 | 21 | 0.02 | 6 | 0.18 | +http://help.coccoc.com/ |
| 29 | 20 | 0.02 | 19 | 0.57 | MSIE 5.5; Windows NT 4.0 |
| 30 | 19 | 0.02 | 15 | 0.45 | Windows CE |
| 31 | 19 | 0.02 | 18 | 0.54 | ) - BrowseX (2.0.0 Windows |
| 32 | 17 | 0.02 | 16 | 0.48 | Auto; Windows |
| 33 | 14 | 0.01 | 10 | 0.30 | Windows 3.1 |
| 34 | 10 | 0.01 | 5 | 0.15 | +http://www.meanpath.com/meanpathbot.htm... |
| 35 | 5 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 36 | 3 | 0.00 | 1 | 0.03 | Linux i686 [unknown version] |
| 37 | 2 | 0.00 | 0 | 0.00 | Win32 |
| 38 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 39 | 2 | 0.00 | 0 | 0.00 | Linux [unknown version] |
| 40 | 2 | 0.00 | 0 | 0.00 | FreeBSD 4.x |
| 41 | 2 | 0.00 | 0 | 0.00 | +http://www.xovibot.net/ |
| 42 | 2 | 0.00 | 2 | 0.06 | +info@netcraft.com |
| 43 | 1 | 0.00 | 1 | 0.03 | +http://sur.ly/bot.html |
| 44 | 1 | 0.00 | 0 | 0.00 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
