| Used Operating Systems |
| 1 | 13673 | 33.53 | 173 | 1.35 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12011 | 29.46 | 8087 | 62.97 | +http://ahrefs.com/robot/ |
| 3 | 6627 | 16.25 | 665 | 5.18 | Windows NT |
| 4 | 3646 | 8.94 | 2961 | 23.06 | +http://www.baidu.com/search/spider.html |
| 5 | 2250 | 5.52 | 66 | 0.51 | +http://yandex.com/bots |
| 6 | 1161 | 2.85 | 196 | 1.53 | +http://www.google.com/bot.html |
| 7 | 607 | 1.49 | 255 | 1.99 | +http://www.bing.com/bingbot.htm |
| 8 | 359 | 0.88 | 265 | 2.06 | +http://www.xovibot.net/ |
| 9 | 134 | 0.33 | 36 | 0.28 | +http://www.linkdex.com/bots/ |
| 10 | 93 | 0.23 | 32 | 0.25 | Windows 95 |
| 11 | 81 | 0.20 | 22 | 0.17 | Windows XP |
| 12 | 37 | 0.09 | 22 | 0.17 | Windows 98 |
| 13 | 18 | 0.04 | 7 | 0.05 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 13 | 0.03 | 10 | 0.08 | Auto; Windows |
| 15 | 12 | 0.03 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 16 | 8 | 0.02 | 6 | 0.05 | Windows CE |
| 17 | 8 | 0.02 | 8 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 18 | 8 | 0.02 | 5 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 19 | 6 | 0.01 | 5 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 20 | 5 | 0.01 | 5 | 0.04 | Windows 2000 |
| 21 | 5 | 0.01 | 5 | 0.04 | Windows 3.1 |
| 22 | 4 | 0.01 | 2 | 0.02 | Windows ME |
| 23 | 3 | 0.01 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 24 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 25 | 2 | 0.00 | 1 | 0.01 | +http://duckduckgo.com |
| 26 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 27 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
