| Used Operating Systems |
| 1 | 11075 | 25.81 | 8804 | 61.01 | +http://ahrefs.com/robot/ |
| 2 | 10889 | 25.37 | 324 | 2.25 | Windows NT |
| 3 | 9851 | 22.96 | 75 | 0.52 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 4444 | 10.36 | 3780 | 26.19 | +http://www.baidu.com/search/spider.html |
| 5 | 2231 | 5.20 | 213 | 1.48 | +http://yandex.com/bots |
| 6 | 1902 | 4.43 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 7 | 630 | 1.47 | 293 | 2.03 | +http://www.google.com/bot.html |
| 8 | 454 | 1.06 | 124 | 0.86 | +http://www.linkdex.com/bots/ |
| 9 | 419 | 0.98 | 153 | 1.06 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 382 | 0.89 | 288 | 2.00 | +http://www.xovibot.net/ |
| 11 | 292 | 0.68 | 148 | 1.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 264 | 0.62 | 164 | 1.14 | +http://www.bing.com/bingbot.htm |
| 13 | 18 | 0.04 | 16 | 0.11 | Windows 95 |
| 14 | 13 | 0.03 | 10 | 0.07 | Windows 98 |
| 15 | 12 | 0.03 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 16 | 10 | 0.02 | 9 | 0.06 | Windows XP |
| 17 | 5 | 0.01 | 5 | 0.03 | Windows 3.1 |
| 18 | 4 | 0.01 | 3 | 0.02 | AyeAyeBot |
| 19 | 3 | 0.01 | 3 | 0.02 | Auto; Windows |
| 20 | 3 | 0.01 | 3 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 21 | 3 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 22 | 3 | 0.01 | 3 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 23 | 2 | 0.00 | 2 | 0.01 | Windows 2000 |
| 24 | 2 | 0.00 | 2 | 0.01 | Windows ME |
| 25 | 1 | 0.00 | 1 | 0.01 | Windows CE |
| 26 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
