| Used Operating Systems |
| 1 | 15603 | 41.73 | 10652 | 66.68 | +http://ahrefs.com/robot/ |
| 2 | 11168 | 29.87 | 151 | 0.95 | http://mj12bot.com/ |
| 3 | 3951 | 10.57 | 3124 | 19.56 | +http://www.baidu.com/search/spider.html |
| 4 | 1926 | 5.15 | 699 | 4.38 | Windows NT |
| 5 | 1048 | 2.80 | 74 | 0.46 | +http://napoveda.seznam.cz/en/seznambot-... |
| 6 | 967 | 2.59 | 250 | 1.56 | +http://yandex.com/bots |
| 7 | 848 | 2.27 | 230 | 1.44 | +http://www.linkdex.com/bots/ |
| 8 | 637 | 1.70 | 327 | 2.05 | +http://www.google.com/bot.html |
| 9 | 459 | 1.23 | 173 | 1.08 | +http://www.bing.com/bingbot.htm |
| 10 | 334 | 0.89 | 94 | 0.59 | +http://www.semrush.com/bot.html |
| 11 | 80 | 0.21 | 33 | 0.21 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 75 | 0.20 | 45 | 0.28 | Windows 95 |
| 13 | 73 | 0.20 | 25 | 0.16 | Windows XP |
| 14 | 46 | 0.12 | 16 | 0.10 | Windows 98 |
| 15 | 22 | 0.06 | 5 | 0.03 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 20 | 0.05 | 10 | 0.06 | Windows 2000 |
| 17 | 17 | 0.05 | 10 | 0.06 | Windows ME |
| 18 | 15 | 0.04 | 8 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 19 | 12 | 0.03 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 20 | 12 | 0.03 | 6 | 0.04 | Windows 3.1 |
| 21 | 10 | 0.03 | 2 | 0.01 | Linux i686 [unknown version] |
| 22 | 8 | 0.02 | 4 | 0.03 | +http://sur.ly/bot.html |
| 23 | 8 | 0.02 | 5 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 24 | 7 | 0.02 | 5 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 25 | 6 | 0.02 | 1 | 0.01 | +info@netcraft.com |
| 26 | 6 | 0.02 | 3 | 0.02 | +http://duckduckgo.com |
| 27 | 5 | 0.01 | 5 | 0.03 | Windows CE |
| 28 | 5 | 0.01 | 3 | 0.02 | Auto; Windows |
| 29 | 4 | 0.01 | 2 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 30 | 4 | 0.01 | 2 | 0.01 | +http://ruki.rezko.net |
| 31 | 2 | 0.01 | 2 | 0.01 | https://nmap.org/book/nse.html |
| 32 | 2 | 0.01 | 1 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 33 | 2 | 0.01 | 1 | 0.01 | http://www.majestic12.co.uk/bot.php?+ |
| 34 | 2 | 0.01 | 2 | 0.01 | +http://eripp.com |
| 35 | 1 | 0.00 | 1 | 0.01 | +http://glutenfreepleasure.com/ |
| 36 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
