| Used Operating Systems |
| 1 | 22462 | 44.83 | 222 | 1.73 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12475 | 24.90 | 8219 | 64.22 | +http://ahrefs.com/robot/ |
| 3 | 6952 | 13.88 | 163 | 1.27 | +http://yandex.com/bots |
| 4 | 3908 | 7.80 | 3059 | 23.90 | +http://www.baidu.com/search/spider.html |
| 5 | 3073 | 6.13 | 553 | 4.32 | Windows NT |
| 6 | 431 | 0.86 | 262 | 2.05 | +http://www.bing.com/bingbot.htm |
| 7 | 303 | 0.60 | 122 | 0.95 | +http://www.google.com/bot.html |
| 8 | 156 | 0.31 | 59 | 0.46 | +http://www.xovibot.net/ |
| 9 | 74 | 0.15 | 12 | 0.09 | +http://www.linkdex.com/bots/ |
| 10 | 72 | 0.14 | 31 | 0.24 | Windows 95 |
| 11 | 68 | 0.14 | 27 | 0.21 | Windows XP |
| 12 | 36 | 0.07 | 15 | 0.12 | Windows 98 |
| 13 | 12 | 0.02 | 9 | 0.07 | Windows 3.1 |
| 14 | 11 | 0.02 | 7 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 15 | 10 | 0.02 | 1 | 0.01 | +http://www.uptime.com/uptimebot |
| 16 | 9 | 0.02 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 17 | 9 | 0.02 | 5 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 18 | 8 | 0.02 | 8 | 0.06 | Auto; Windows |
| 19 | 8 | 0.02 | 3 | 0.02 | http://www.opensiteexplorer.org/dotbot, ... |
| 20 | 5 | 0.01 | 5 | 0.04 | Windows 2000 |
| 21 | 5 | 0.01 | 5 | 0.04 | Windows ME |
| 22 | 5 | 0.01 | 3 | 0.02 | +info@netcraft.com |
| 23 | 5 | 0.01 | 3 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 24 | 3 | 0.01 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 25 | 2 | 0.00 | 1 | 0.01 | Windows CE |
| 26 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
