| Used Operating Systems |
| 1 | 18216 | 26.94 | 131 | 0.80 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12610 | 18.65 | 10030 | 61.15 | +http://www.baidu.com/search/spider.html |
| 3 | 10946 | 16.19 | 469 | 2.86 | +http://ahrefs.com/robot/ |
| 4 | 7778 | 11.50 | 1534 | 9.35 | +http://www.bing.com/bingbot.htm |
| 5 | 6828 | 10.10 | 837 | 5.10 | Windows NT |
| 6 | 3627 | 5.36 | 1793 | 10.93 | +http://www.google.com/bot.html |
| 7 | 2001 | 2.96 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 8 | 1917 | 2.84 | 715 | 4.36 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 1635 | 2.42 | 526 | 3.21 | +http://www.linkdex.com/bots/ |
| 10 | 523 | 0.77 | 66 | 0.40 | +http://yandex.com/bots |
| 11 | 519 | 0.77 | 4 | 0.02 | +http://www.warebay.com/bot.html |
| 12 | 282 | 0.42 | 41 | 0.25 | +http://www.profound.net/domainappender |
| 13 | 204 | 0.30 | 97 | 0.59 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 146 | 0.22 | 1 | 0.01 | +http://megaindex.com/crawler |
| 15 | 51 | 0.08 | 17 | 0.10 | Windows XP |
| 16 | 50 | 0.07 | 21 | 0.13 | +http://www.proximic.com/info/spider.php |
| 17 | 48 | 0.07 | 26 | 0.16 | +http://www.exabot.com/go/robot |
| 18 | 26 | 0.04 | 4 | 0.02 | +http://fulltext.sblog.cz/ |
| 19 | 25 | 0.04 | 11 | 0.07 | Windows 95 |
| 20 | 22 | 0.03 | 6 | 0.04 | Windows 98 |
| 21 | 16 | 0.02 | 8 | 0.05 | +http://help.coccoc.com/ |
| 22 | 15 | 0.02 | 8 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 23 | 14 | 0.02 | 6 | 0.04 | Auto; Windows |
| 24 | 14 | 0.02 | 6 | 0.04 | +http://duckduckgo.com |
| 25 | 12 | 0.02 | 3 | 0.02 | Windows CE |
| 26 | 12 | 0.02 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 27 | 12 | 0.02 | 9 | 0.05 | +http://www.bigbozz.com/ |
| 28 | 8 | 0.01 | 2 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 29 | 7 | 0.01 | 3 | 0.02 | Windows 3.1 |
| 30 | 7 | 0.01 | 3 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 31 | 7 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 32 | 7 | 0.01 | 3 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 33 | 5 | 0.01 | 3 | 0.02 | Intel Mac OS X 10.6 |
| 34 | 4 | 0.01 | 2 | 0.01 | Windows ME |
| 35 | 3 | 0.00 | 2 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 36 | 3 | 0.00 | 3 | 0.02 | Linux [unknown version] |
| 37 | 3 | 0.00 | 1 | 0.01 | +http://www.privacyaware.org |
| 38 | 2 | 0.00 | 2 | 0.01 | +http://glutenfreepleasure.com/ |
| 39 | 2 | 0.00 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 40 | 2 | 0.00 | 1 | 0.01 | +http://crawler.seolytics.net/ |
| 41 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 42 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 43 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 44 | 1 | 0.00 | 1 | 0.01 | AmigaOS/MC680x0 |
| 45 | 1 | 0.00 | 1 | 0.01 | +http://domainmacro.com |
