| Used Operating Systems |
| 1 | 16146 | 52.28 | 12794 | 72.63 | +http://www.baidu.com/search/spider.html |
| 2 | 2897 | 9.38 | 1094 | 6.21 | Windows NT |
| 3 | 2454 | 7.95 | 792 | 4.50 | +http://www.bing.com/bingbot.htm |
| 4 | 1455 | 4.71 | 892 | 5.06 | +http://www.google.com/bot.html |
| 5 | 1148 | 3.72 | 486 | 2.76 | http://help.yahoo.com/help/us/ysearch/sl... |
| 6 | 894 | 2.89 | 254 | 1.44 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 846 | 2.74 | 112 | 0.64 | +http://www.semrush.com/bot.html |
| 8 | 627 | 2.03 | 406 | 2.30 | +http://ahrefs.com/robot/ |
| 9 | 539 | 1.75 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 10 | 468 | 1.52 | 94 | 0.53 | +http://www.profound.net/domainappender |
| 11 | 450 | 1.46 | 129 | 0.73 | +http://yandex.com/bots |
| 12 | 361 | 1.17 | 169 | 0.96 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 324 | 1.05 | 12 | 0.07 | +http://fulltext.sblog.cz/ |
| 14 | 317 | 1.03 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 15 | 272 | 0.88 | 42 | 0.24 | +http://www.easou.com/search/spider.html |
| 16 | 218 | 0.71 | 2 | 0.01 | +http://www.warebay.com/bot.html |
| 17 | 175 | 0.57 | 4 | 0.02 | http://crawler.sistrix.net/ |
| 18 | 171 | 0.55 | 18 | 0.10 | http://www.searchmetrics.com/en/searchme... |
| 19 | 166 | 0.54 | 62 | 0.35 | http://www.opensiteexplorer.org/dotbot, ... |
| 20 | 156 | 0.51 | 3 | 0.02 | +http://advbot.net/bot.html |
| 21 | 129 | 0.42 | 7 | 0.04 | +http://fulltext.sblog.cz/screenshot/ |
| 22 | 115 | 0.37 | 38 | 0.22 | Windows 95 |
| 23 | 84 | 0.27 | 27 | 0.15 | Windows 98 |
| 24 | 76 | 0.25 | 37 | 0.21 | +http://duckduckgo.com |
| 25 | 55 | 0.18 | 24 | 0.14 | +http://www.exabot.com/go/robot |
| 26 | 45 | 0.15 | 13 | 0.07 | Windows 2000 |
| 27 | 40 | 0.13 | 4 | 0.02 | http://www.lipperhey.com/ |
| 28 | 27 | 0.09 | 8 | 0.05 | Windows XP |
| 29 | 24 | 0.08 | 10 | 0.06 | +http://help.coccoc.com/ |
| 30 | 21 | 0.07 | 6 | 0.03 | Windows ME |
| 31 | 21 | 0.07 | 3 | 0.02 | WinHttp.WinHttpRequest.5 |
| 32 | 20 | 0.06 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 33 | 20 | 0.06 | 0 | 0.00 | Linux [unknown version] |
| 34 | 14 | 0.05 | 14 | 0.08 | Linux i686 [unknown version] |
| 35 | 13 | 0.04 | 5 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 36 | 12 | 0.04 | 4 | 0.02 | Auto; Windows |
| 37 | 11 | 0.04 | 5 | 0.03 | +http://www.proximic.com/info/spider.php |
| 38 | 10 | 0.03 | 5 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 39 | 9 | 0.03 | 3 | 0.02 | Windows CE |
| 40 | 7 | 0.02 | 6 | 0.03 | +http://www.xovibot.net/ |
| 41 | 6 | 0.02 | 6 | 0.03 | +http://pmoz.info/doc/botinfo.htm |
| 42 | 6 | 0.02 | 2 | 0.01 | Windows 3.1 |
| 43 | 6 | 0.02 | 3 | 0.02 | +http://botw.org |
| 44 | 6 | 0.02 | 2 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 45 | 4 | 0.01 | 3 | 0.02 | Win32 |
| 46 | 4 | 0.01 | 2 | 0.01 | +https://www.mojeek.com/bot.html |
| 47 | 4 | 0.01 | 2 | 0.01 | +http://gimme60.com |
| 48 | 3 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 49 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 50 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 51 | 2 | 0.01 | 2 | 0.01 | +http://www.loadtime.net/bot.html |
| 52 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 53 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 54 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 55 | 1 | 0.00 | 1 | 0.01 | +; |
