| Used Operating Systems |
| 1 | 13486 | 42.08 | 115 | 2.18 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7869 | 24.55 | 236 | 4.47 | +http://www.bing.com/bingbot.htm |
| 3 | 5287 | 16.50 | 3629 | 68.71 | +http://www.baidu.com/search/spider.html |
| 4 | 3023 | 9.43 | 727 | 13.76 | Windows NT |
| 5 | 1003 | 3.13 | 1 | 0.02 | http://crawler.007ac9.net/ |
| 6 | 423 | 1.32 | 145 | 2.75 | +http://www.google.com/bot.html |
| 7 | 354 | 1.10 | 93 | 1.76 | +http://www.linkdex.com/bots/ |
| 8 | 160 | 0.50 | 55 | 1.04 | +http://yandex.com/bots |
| 9 | 106 | 0.33 | 76 | 1.44 | Windows 95 |
| 10 | 83 | 0.26 | 16 | 0.30 | Windows 98 |
| 11 | 49 | 0.15 | 44 | 0.83 | +http://www.uptime.com/uptimebot |
| 12 | 27 | 0.08 | 20 | 0.38 | Windows 2000 |
| 13 | 23 | 0.07 | 18 | 0.34 | ) - BrowseX (2.0.0 Windows |
| 14 | 23 | 0.07 | 10 | 0.19 | +http://www.exabot.com/go/robot |
| 15 | 21 | 0.07 | 16 | 0.30 | Auto; Windows |
| 16 | 20 | 0.06 | 17 | 0.32 | Windows CE |
| 17 | 19 | 0.06 | 15 | 0.28 | Windows ME |
| 18 | 19 | 0.06 | 16 | 0.30 | MSIE 5.5; Windows NT 5.0 |
| 19 | 16 | 0.05 | 12 | 0.23 | MSIE 5.5; Windows NT 4.0 |
| 20 | 14 | 0.04 | 10 | 0.19 | Windows 3.1 |
| 21 | 13 | 0.04 | 3 | 0.06 | Windows XP |
| 22 | 4 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 23 | 2 | 0.01 | 1 | 0.02 | https://nmap.org/book/nse.html |
| 24 | 2 | 0.01 | 2 | 0.04 | Linux [unknown version] |
| 25 | 2 | 0.01 | 1 | 0.02 | http://www.botje.com/plukkie.htm |
| 26 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 27 | 1 | 0.00 | 1 | 0.02 | Android 2.3.5 |
