| Used Operating Systems |
| 1 | 16320 | 49.50 | 13715 | 74.36 | +http://ahrefs.com/robot/ |
| 2 | 6457 | 19.58 | 922 | 5.00 | Windows NT |
| 3 | 4228 | 12.82 | 3084 | 16.72 | +http://www.baidu.com/search/spider.html |
| 4 | 3009 | 9.13 | 52 | 0.28 | http://mj12bot.com/ |
| 5 | 864 | 2.62 | 14 | 0.08 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 546 | 1.66 | 166 | 0.90 | +http://www.linkdex.com/bots/ |
| 7 | 524 | 1.59 | 286 | 1.55 | +http://www.bing.com/bingbot.htm |
| 8 | 429 | 1.30 | 58 | 0.31 | +http://yandex.com/bots |
| 9 | 427 | 1.30 | 66 | 0.36 | +http://www.google.com/bot.html |
| 10 | 58 | 0.18 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 11 | 40 | 0.12 | 33 | 0.18 | Windows 95 |
| 12 | 20 | 0.06 | 12 | 0.07 | Windows 98 |
| 13 | 16 | 0.05 | 9 | 0.05 | Windows XP |
| 14 | 6 | 0.02 | 1 | 0.01 | +http://sur.ly/bot.html |
| 15 | 5 | 0.02 | 4 | 0.02 | +http://8pw.ru/virus |
| 16 | 4 | 0.01 | 4 | 0.02 | Windows CE |
| 17 | 3 | 0.01 | 3 | 0.02 | Auto; Windows |
| 18 | 3 | 0.01 | 3 | 0.02 | Windows 3.1 |
| 19 | 3 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 20 | 2 | 0.01 | 1 | 0.01 | Wayback Machine Live Record; +http://arc... |
| 21 | 2 | 0.01 | 2 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 22 | 2 | 0.01 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 23 | 2 | 0.01 | 2 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 24 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 25 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
