| Used Operating Systems |
| 1 | 19562 | 26.72 | 115 | 0.77 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12204 | 16.67 | 362 | 2.41 | +http://ahrefs.com/robot/ |
| 3 | 9486 | 12.96 | 1518 | 10.10 | +http://www.bing.com/bingbot.htm |
| 4 | 9486 | 12.96 | 8213 | 54.65 | +http://www.baidu.com/search/spider.html |
| 5 | 4349 | 5.94 | 1558 | 10.37 | +http://www.google.com/bot.html |
| 6 | 3407 | 4.65 | 881 | 5.86 | Windows NT |
| 7 | 3369 | 4.60 | 1 | 0.01 | +http://megaindex.com/crawler |
| 8 | 2237 | 3.06 | 866 | 5.76 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 2073 | 2.83 | 2 | 0.01 | +http://webmeup-crawler.com/ |
| 10 | 1685 | 2.30 | 441 | 2.93 | +http://www.xovibot.net/ |
| 11 | 1649 | 2.25 | 581 | 3.87 | +http://www.linkdex.com/bots/ |
| 12 | 1262 | 1.72 | 282 | 1.88 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 1000 | 1.37 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 14 | 519 | 0.71 | 5 | 0.03 | +http://www.warebay.com/bot.html |
| 15 | 345 | 0.47 | 49 | 0.33 | +http://yandex.com/bots |
| 16 | 249 | 0.34 | 1 | 0.01 | Linux [unknown version] |
| 17 | 61 | 0.08 | 29 | 0.19 | +http://www.proximic.com/info/spider.php |
| 18 | 49 | 0.07 | 26 | 0.17 | +http://www.exabot.com/go/robot |
| 19 | 43 | 0.06 | 20 | 0.13 | +http://fulltext.sblog.cz/ |
| 20 | 38 | 0.05 | 24 | 0.16 | +http://www.grapeshot.co.uk/crawler.php |
| 21 | 30 | 0.04 | 5 | 0.03 | +http://www.profound.net/domainappender |
| 22 | 16 | 0.02 | 8 | 0.05 | +http://help.coccoc.com/ |
| 23 | 12 | 0.02 | 9 | 0.06 | +http://glutenfreepleasure.com/ |
| 24 | 12 | 0.02 | 11 | 0.07 | +http://www.bigbozz.com/ |
| 25 | 9 | 0.01 | 3 | 0.02 | Windows 98 |
| 26 | 8 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 27 | 7 | 0.01 | 1 | 0.01 | Windows Phone OS 7.5 |
| 28 | 5 | 0.01 | 4 | 0.03 | Intel Mac OS X 10.6 |
| 29 | 4 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 30 | 4 | 0.01 | 2 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 31 | 4 | 0.01 | 2 | 0.01 | +http://duckduckgo.com |
| 32 | 3 | 0.00 | 1 | 0.01 | Windows CE |
| 33 | 3 | 0.00 | 1 | 0.01 | +http://prlog.ru/ |
| 34 | 2 | 0.00 | 2 | 0.01 | +http://www.parsijoo.ir/; crawler@parsij... |
| 35 | 2 | 0.00 | 2 | 0.01 | Linux i686 [unknown version] |
| 36 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 37 | 1 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 38 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 39 | 1 | 0.00 | 1 | 0.01 | X11 |
