| Used Operating Systems |
| 1 | 26088 | 34.68 | 318 | 1.92 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12964 | 17.23 | 1942 | 11.72 | +http://www.bing.com/bingbot.htm |
| 3 | 12266 | 16.31 | 3995 | 24.12 | Windows NT |
| 4 | 6711 | 8.92 | 3530 | 21.31 | +http://ahrefs.com/robot/ |
| 5 | 3626 | 4.82 | 1713 | 10.34 | +http://www.google.com/bot.html |
| 6 | 2268 | 3.02 | 2021 | 12.20 | +http://www.baidu.com/search/spider.html |
| 7 | 2004 | 2.66 | 4 | 0.02 | http://crawler.sistrix.net/ |
| 8 | 1593 | 2.12 | 346 | 2.09 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 1317 | 1.75 | 834 | 5.03 | +http://www.easou.com/search/spider.html |
| 10 | 1036 | 1.38 | 452 | 2.73 | +http://www.linkdex.com/bots/ |
| 11 | 1001 | 1.33 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 12 | 904 | 1.20 | 82 | 0.49 | +http://www.profound.net/urlappendbot.ht... |
| 13 | 824 | 1.10 | 75 | 0.45 | +http://www.profound.net/domainappender |
| 14 | 721 | 0.96 | 185 | 1.12 | +http://yandex.com/bots |
| 15 | 562 | 0.75 | 306 | 1.85 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 408 | 0.54 | 366 | 2.21 | +http://www.xovibot.net/ |
| 17 | 280 | 0.37 | 4 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 18 | 136 | 0.18 | 92 | 0.56 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 85 | 0.11 | 49 | 0.30 | +http://www.exabot.com/go/robot |
| 20 | 71 | 0.09 | 62 | 0.37 | Windows 95 |
| 21 | 57 | 0.08 | 16 | 0.10 | Windows 98 |
| 22 | 47 | 0.06 | 24 | 0.14 | +http://www.proximic.com/info/spider.php |
| 23 | 46 | 0.06 | 23 | 0.14 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 18 | 0.02 | 7 | 0.04 | Intel Mac OS X 10.6 |
| 25 | 15 | 0.02 | 0 | 0.00 | Linux [unknown version] |
| 26 | 13 | 0.02 | 13 | 0.08 | Windows CE |
| 27 | 13 | 0.02 | 11 | 0.07 | Windows ME |
| 28 | 13 | 0.02 | 13 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 29 | 12 | 0.02 | 11 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 30 | 10 | 0.01 | 10 | 0.06 | Windows 2000 |
| 31 | 10 | 0.01 | 3 | 0.02 | +http://help.coccoc.com/ |
| 32 | 9 | 0.01 | 9 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 33 | 8 | 0.01 | 8 | 0.05 | Auto; Windows |
| 34 | 8 | 0.01 | 4 | 0.02 | +http://fulltext.sblog.cz/ |
| 35 | 7 | 0.01 | 6 | 0.04 | +http://wmaid.com/explore/ |
| 36 | 7 | 0.01 | 4 | 0.02 | X11 |
| 37 | 6 | 0.01 | 2 | 0.01 | Windows XP |
| 38 | 6 | 0.01 | 6 | 0.04 | Windows 3.1 |
| 39 | 6 | 0.01 | 3 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 40 | 4 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 41 | 4 | 0.01 | 1 | 0.01 | +http://plus5files.net |
| 42 | 4 | 0.01 | 1 | 0.01 | +http://onlythegames.com |
| 43 | 4 | 0.01 | 1 | 0.01 | +http://www.semrush.com/bot.html |
| 44 | 3 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 45 | 3 | 0.00 | 1 | 0.01 | +http://mydownloadengine.com |
| 46 | 3 | 0.00 | 1 | 0.01 | +http://dl2engine.net |
| 47 | 3 | 0.00 | 1 | 0.01 | +http://a14download.com |
| 48 | 3 | 0.00 | 1 | 0.01 | +http://inload.me |
| 49 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 50 | 2 | 0.00 | 2 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 51 | 2 | 0.00 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 52 | 2 | 0.00 | 2 | 0.01 | Linux i686 [unknown version] |
| 53 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 54 | 1 | 0.00 | 0 | 0.00 | Trident/6.0; Windows NT 5.0; Alexa Toolb... |
| 55 | 1 | 0.00 | 0 | 0.00 | Macintosh |
| 56 | 1 | 0.00 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 57 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
| 58 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows 98; IEMB3 |
