| Used Operating Systems |
| 1 | 8529 | 51.11 | 146 | 5.24 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3461 | 20.74 | 186 | 6.68 | +http://yandex.com/bots |
| 3 | 1321 | 7.92 | 1095 | 39.32 | +http://www.baidu.com/search/spider.html |
| 4 | 1292 | 7.74 | 665 | 23.88 | +http://ahrefs.com/robot/ |
| 5 | 1190 | 7.13 | 466 | 16.73 | Windows NT |
| 6 | 450 | 2.70 | 65 | 2.33 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 203 | 1.22 | 65 | 2.33 | +http://www.bing.com/bingbot.htm |
| 8 | 146 | 0.87 | 67 | 2.41 | +http://www.google.com/bot.html |
| 9 | 30 | 0.18 | 3 | 0.11 | +http://advbot.net/bot.html |
| 10 | 15 | 0.09 | 6 | 0.22 | +http://www.linkdex.com/bots/ |
| 11 | 8 | 0.05 | 2 | 0.07 | +http://webmeup-crawler.com/ |
| 12 | 8 | 0.05 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 13 | 6 | 0.04 | 2 | 0.07 | +http://getdownload.ws |
| 14 | 6 | 0.04 | 3 | 0.11 | +http://gimme60.com |
| 15 | 6 | 0.04 | 3 | 0.11 | Windows 98 |
| 16 | 6 | 0.04 | 3 | 0.11 | +http://www.meanpath.com/meanpathbot.htm... |
| 17 | 4 | 0.02 | 2 | 0.07 | X11 |
| 18 | 2 | 0.01 | 2 | 0.07 | +info@netcraft.com |
| 19 | 2 | 0.01 | 2 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 20 | 1 | 0.01 | 1 | 0.04 | Linux [unknown version] |
| 21 | 1 | 0.01 | 1 | 0.04 | +; |
