| Used Operating Systems |
| 1 | 20483 | 22.96 | 16003 | 57.03 | +http://www.baidu.com/search/spider.html |
| 2 | 17996 | 20.17 | 110 | 0.39 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 11946 | 13.39 | 5748 | 20.48 | +http://ahrefs.com/robot/ |
| 4 | 10601 | 11.88 | 1447 | 5.16 | +http://www.bing.com/bingbot.htm |
| 5 | 7095 | 7.95 | 4 | 0.01 | +http://webmeup-crawler.com/ |
| 6 | 6666 | 7.47 | 247 | 0.88 | +http://www.semrush.com/bot.html |
| 7 | 3544 | 3.97 | 1720 | 6.13 | +http://www.google.com/bot.html |
| 8 | 2424 | 2.72 | 770 | 2.74 | Windows NT |
| 9 | 2000 | 2.24 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 10 | 1678 | 1.88 | 823 | 2.93 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 1628 | 1.82 | 513 | 1.83 | +http://www.linkdex.com/bots/ |
| 12 | 918 | 1.03 | 153 | 0.55 | +http://www.profound.net/domainappender |
| 13 | 616 | 0.69 | 158 | 0.56 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 519 | 0.58 | 4 | 0.01 | +http://www.warebay.com/bot.html |
| 15 | 361 | 0.40 | 74 | 0.26 | +http://yandex.com/bots |
| 16 | 248 | 0.28 | 1 | 0.00 | Linux [unknown version] |
| 17 | 146 | 0.16 | 132 | 0.47 | +http://www.xovibot.net/ |
| 18 | 69 | 0.08 | 36 | 0.13 | +http://www.proximic.com/info/spider.php |
| 19 | 51 | 0.06 | 27 | 0.10 | +http://www.exabot.com/go/robot |
| 20 | 41 | 0.05 | 3 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 21 | 37 | 0.04 | 22 | 0.08 | +http://www.grapeshot.co.uk/crawler.php |
| 22 | 22 | 0.02 | 11 | 0.04 | +http://fulltext.sblog.cz/ |
| 23 | 16 | 0.02 | 7 | 0.02 | +http://help.coccoc.com/ |
| 24 | 12 | 0.01 | 1 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 25 | 12 | 0.01 | 7 | 0.02 | +http://www.bigbozz.com/ |
| 26 | 10 | 0.01 | 1 | 0.00 | crawler@mixrank.com |
| 27 | 8 | 0.01 | 4 | 0.01 | http://www.botje.com/plukkie.htm |
| 28 | 8 | 0.01 | 4 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 29 | 8 | 0.01 | 4 | 0.01 | +http://duckduckgo.com |
| 30 | 8 | 0.01 | 1 | 0.00 | +; |
| 31 | 7 | 0.01 | 5 | 0.02 | +http://glutenfreepleasure.com/ |
| 32 | 5 | 0.01 | 5 | 0.02 | Windows 95 |
| 33 | 5 | 0.01 | 2 | 0.01 | Windows 98 |
| 34 | 4 | 0.00 | 1 | 0.00 | Android |
| 35 | 4 | 0.00 | 3 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 36 | 4 | 0.00 | 1 | 0.00 | Windows 3.1 |
| 37 | 3 | 0.00 | 1 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 38 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 39 | 3 | 0.00 | 2 | 0.01 | X11 |
| 40 | 2 | 0.00 | 1 | 0.00 | +https://www.mojeek.com/bot.html |
| 41 | 2 | 0.00 | 1 | 0.00 | +http://gimmeusa.com/crawler.html |
| 42 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 43 | 1 | 0.00 | 1 | 0.00 | +http://gimmeusa.com/crawler |
| 44 | 1 | 0.00 | 0 | 0.00 | +http://www.parsijoo.ir/; crawler@parsij... |
| 45 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 46 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 47 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
