| Used Operating Systems |
| 1 | 27525 | 34.13 | 18675 | 77.85 | +http://ahrefs.com/robot/ |
| 2 | 27089 | 33.58 | 247 | 1.03 | http://mj12bot.com/ |
| 3 | 7826 | 9.70 | 501 | 2.09 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 6716 | 8.33 | 2 | 0.01 | +http://megaindex.com/crawler |
| 5 | 2469 | 3.06 | 1804 | 7.52 | +http://www.baidu.com/search/spider.html |
| 6 | 2213 | 2.74 | 1158 | 4.83 | Windows NT |
| 7 | 1896 | 2.35 | 275 | 1.15 | +http://www.linkdex.com/bots/ |
| 8 | 1888 | 2.34 | 6 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 9 | 1129 | 1.40 | 564 | 2.35 | +http://www.google.com/bot.html |
| 10 | 570 | 0.71 | 118 | 0.49 | +http://yandex.com/bots |
| 11 | 556 | 0.69 | 278 | 1.16 | +http://www.bing.com/bingbot.htm |
| 12 | 329 | 0.41 | 161 | 0.67 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 186 | 0.23 | 54 | 0.23 | +http://www.semrush.com/bot.html |
| 14 | 54 | 0.07 | 39 | 0.16 | Windows 95 |
| 15 | 46 | 0.06 | 16 | 0.07 | Windows 98 |
| 16 | 23 | 0.03 | 9 | 0.04 | +http://sur.ly/bot.html |
| 17 | 16 | 0.02 | 2 | 0.01 | +http://www.linkpad.ru |
| 18 | 15 | 0.02 | 1 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 19 | 12 | 0.01 | 10 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 20 | 12 | 0.01 | 10 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 21 | 8 | 0.01 | 7 | 0.03 | Windows CE |
| 22 | 8 | 0.01 | 8 | 0.03 | Windows 2000 |
| 23 | 8 | 0.01 | 6 | 0.03 | +info@netcraft.com |
| 24 | 8 | 0.01 | 2 | 0.01 | http://www.majestic12.co.uk/bot.php?+ |
| 25 | 8 | 0.01 | 7 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 26 | 6 | 0.01 | 1 | 0.00 | Windows XP |
| 27 | 6 | 0.01 | 3 | 0.01 | Windows ME |
| 28 | 6 | 0.01 | 6 | 0.03 | Windows 3.1 |
| 29 | 5 | 0.01 | 5 | 0.02 | https://nmap.org/book/nse.html |
| 30 | 4 | 0.00 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 31 | 4 | 0.00 | 4 | 0.02 | Auto; Windows |
| 32 | 3 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 33 | 3 | 0.00 | 3 | 0.01 | X11 |
| 34 | 2 | 0.00 | 1 | 0.00 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 35 | 2 | 0.00 | 1 | 0.00 | Linux i686 [unknown version] |
| 36 | 2 | 0.00 | 1 | 0.00 | +http://www.exabot.com/go/robot |
| 37 | 2 | 0.00 | 2 | 0.01 | +http://eripp.com |
| 38 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 39 | 1 | 0.00 | 1 | 0.00 | OpenBSD [unknown version] |
| 40 | 1 | 0.00 | 1 | 0.00 | +http://glutenfreepleasure.com/ |
