| Used Operating Systems (21 / 21) [show full report] |
| 1 | 10058 | 66.20 | 98 | 8.66 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3308 | 21.77 | 1 | 0.09 | +http://megaindex.com/crawler |
| 3 | 847 | 5.57 | 620 | 54.77 | Windows NT |
| 4 | 335 | 2.20 | 172 | 15.19 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 5 | 293 | 1.93 | 160 | 14.13 | +http://www.google.com/bot.html |
| 6 | 180 | 1.18 | 33 | 2.92 | +http://yandex.com/bots |
| 7 | 114 | 0.75 | 4 | 0.35 | +http://www.bing.com/bingbot.htm |
| 8 | 10 | 0.07 | 9 | 0.80 | Windows 98 |
| 9 | 9 | 0.06 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 10 | 7 | 0.05 | 7 | 0.62 | Windows 95 |
| 11 | 6 | 0.04 | 3 | 0.27 | http://filterdb.iss.net/crawler/ |
| 12 | 5 | 0.03 | 5 | 0.44 | Windows 3.1 |
| 13 | 5 | 0.03 | 5 | 0.44 | MSIE 5.5; Windows NT 4.0 |
| 14 | 4 | 0.03 | 2 | 0.18 | +http://www.linkdex.com/bots/ |
| 15 | 3 | 0.02 | 3 | 0.27 | ) - BrowseX (2.0.0 Windows |
| 16 | 2 | 0.01 | 2 | 0.18 | Windows XP |
| 17 | 2 | 0.01 | 2 | 0.18 | Windows ME |
| 18 | 2 | 0.01 | 2 | 0.18 | MSIE 5.5; Windows NT 5.0 |
| 19 | 2 | 0.01 | 2 | 0.18 | +http://duckduckgo.com |
| 20 | 1 | 0.01 | 1 | 0.09 | Windows CE |
| 21 | 1 | 0.01 | 1 | 0.09 | Auto; Windows |
