| Used Operating Systems by Visits |
| 1 | 32008 | 30.29 | 16620 | 66.88 | +http://ahrefs.com/robot/ |
| 2 | 5404 | 5.11 | 4033 | 16.23 | +http://www.baidu.com/search/spider.html |
| 3 | 8294 | 7.85 | 1566 | 6.30 | Windows NT |
| 4 | 4662 | 4.41 | 684 | 2.75 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 27201 | 25.74 | 586 | 2.36 | +http://yandex.com/bots |
| 6 | 1695 | 1.60 | 399 | 1.61 | +http://www.linkdex.com/bots/ |
| 7 | 867 | 0.82 | 364 | 1.46 | +http://www.google.com/bot.html |
| 8 | 15540 | 14.70 | 189 | 0.76 | http://mj12bot.com/ |
| 9 | 358 | 0.34 | 138 | 0.56 | +http://www.bing.com/bingbot.htm |
| 10 | 408 | 0.39 | 76 | 0.31 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 42 | 0.04 | 34 | 0.14 | +http://www.uptime.com/uptimebot |
| 12 | 33 | 0.03 | 29 | 0.12 | Windows 95 |
| 13 | 60 | 0.06 | 14 | 0.06 | +http://siteexplorer.info/Backlink-Check... |
| 14 | 98 | 0.09 | 11 | 0.04 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 12 | 0.01 | 10 | 0.04 | +info@netcraft.com |
| 16 | 9 | 0.01 | 9 | 0.04 | Windows 3.1 |
| 17 | 28 | 0.03 | 9 | 0.04 | +http://www.exabot.com/go/robot |
| 18 | 7 | 0.01 | 7 | 0.03 | Windows 2000 |
| 19 | 8 | 0.01 | 7 | 0.03 | +http://sur.ly/bot.html |
| 20 | 7 | 0.01 | 7 | 0.03 | Windows ME |
| 21 | 60 | 0.06 | 6 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 22 | 6 | 0.01 | 6 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 23 | 10 | 0.01 | 6 | 0.02 | Windows 98 |
| 24 | 1849 | 1.75 | 5 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 25 | 5 | 0.00 | 5 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 26 | 48 | 0.05 | 4 | 0.02 | +http://www.semrush.com/bot.html |
| 27 | 4 | 0.00 | 4 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 28 | 3 | 0.00 | 3 | 0.01 | Windows CE |
| 29 | 3 | 0.00 | 3 | 0.01 | Auto; Windows |
| 30 | 4 | 0.00 | 3 | 0.01 | actually this is http://ismyblogworking.... |
| 31 | 4 | 0.00 | 2 | 0.01 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 32 | 22 | 0.02 | 2 | 0.01 | +http://seocharger.com/robot |
| 33 | 5 | 0.00 | 2 | 0.01 | Windows XP |
| 34 | 4 | 0.00 | 2 | 0.01 | http://www.majestic12.co.uk/bot.php?+ |
| 35 | 2 | 0.00 | 2 | 0.01 | X11 |
| 36 | 1 | 0.00 | 1 | 0.00 | https://nmap.org/book/nse.html |
| 37 | 1 | 0.00 | 1 | 0.00 | +https://github.com/AliasIO/Wappalyzer |
| 38 | 250 | 0.24 | 1 | 0.00 | Linux [unknown version] |
| 39 | 6634 | 6.28 | 1 | 0.00 | +http://megaindex.com/crawler |
| 40 | 3 | 0.00 | 1 | 0.00 | +http://prlog.ru/ |
| 41 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 21 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 43 | 2 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
