| Used Operating Systems |
| 1 | 20412 | 38.18 | 262 | 2.78 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 16271 | 30.43 | 576 | 6.11 | +http://yandex.com/bots |
| 3 | 6354 | 11.88 | 3447 | 36.57 | +http://ahrefs.com/robot/ |
| 4 | 5318 | 9.95 | 3613 | 38.33 | +http://www.baidu.com/search/spider.html |
| 5 | 1832 | 3.43 | 4 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 6 | 896 | 1.68 | 455 | 4.83 | Windows NT |
| 7 | 761 | 1.42 | 317 | 3.36 | +http://www.bing.com/bingbot.htm |
| 8 | 709 | 1.33 | 359 | 3.81 | +http://www.google.com/bot.html |
| 9 | 378 | 0.71 | 103 | 1.09 | +http://www.linkdex.com/bots/ |
| 10 | 326 | 0.61 | 184 | 1.95 | +http://www.xovibot.net/ |
| 11 | 42 | 0.08 | 15 | 0.16 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 38 | 0.07 | 4 | 0.04 | +spider@seoscanners.net |
| 13 | 30 | 0.06 | 29 | 0.31 | Windows 95 |
| 14 | 24 | 0.04 | 2 | 0.02 | +https://www.dataprovider.com/ |
| 15 | 18 | 0.03 | 13 | 0.14 | Windows 98 |
| 16 | 15 | 0.03 | 6 | 0.06 | +http://www.exabot.com/go/robot |
| 17 | 8 | 0.01 | 8 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 18 | 5 | 0.01 | 5 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 19 | 4 | 0.01 | 4 | 0.04 | Windows 3.1 |
| 20 | 4 | 0.01 | 4 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 21 | 4 | 0.01 | 2 | 0.02 | +http://www.uptime.com/uptimebot |
| 22 | 3 | 0.01 | 3 | 0.03 | Windows 2000 |
| 23 | 3 | 0.01 | 3 | 0.03 | Auto; Windows |
| 24 | 2 | 0.00 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 25 | 2 | 0.00 | 2 | 0.02 | Windows ME |
| 26 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 27 | 2 | 0.00 | 1 | 0.01 | +http://duckduckgo.com |
| 28 | 1 | 0.00 | 1 | 0.01 | Windows CE |
| 29 | 1 | 0.00 | 0 | 0.00 | Series 60 |
| 30 | 1 | 0.00 | 1 | 0.01 | Windows XP |
| 31 | 1 | 0.00 | 1 | 0.01 | X11 |
