| Used Operating Systems |
| 1 | 58642 | 58.07 | 634 | 5.16 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 26012 | 25.76 | 848 | 6.90 | Windows NT |
| 3 | 12762 | 12.64 | 9509 | 77.42 | +http://ahrefs.com/robot/ |
| 4 | 871 | 0.86 | 168 | 1.37 | +http://www.linkdex.com/bots/ |
| 5 | 866 | 0.86 | 202 | 1.64 | +http://www.bing.com/bingbot.htm |
| 6 | 416 | 0.41 | 132 | 1.07 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 350 | 0.35 | 332 | 2.70 | +http://www.baidu.com/search/spider.html |
| 8 | 321 | 0.32 | 141 | 1.15 | +http://www.google.com/bot.html |
| 9 | 274 | 0.27 | 61 | 0.50 | +http://yandex.com/bots |
| 10 | 113 | 0.11 | 81 | 0.66 | Windows 95 |
| 11 | 75 | 0.07 | 21 | 0.17 | Windows 98 |
| 12 | 50 | 0.05 | 18 | 0.15 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 26 | 0.03 | 2 | 0.02 | +https://www.dataprovider.com/ |
| 14 | 24 | 0.02 | 18 | 0.15 | Windows ME |
| 15 | 24 | 0.02 | 18 | 0.15 | MSIE 5.5; Windows NT 4.0 |
| 16 | 21 | 0.02 | 13 | 0.11 | Windows 3.1 |
| 17 | 19 | 0.02 | 4 | 0.03 | Windows XP |
| 18 | 18 | 0.02 | 17 | 0.14 | Auto; Windows |
| 19 | 18 | 0.02 | 6 | 0.05 | +http://siteexplorer.info/ |
| 20 | 14 | 0.01 | 12 | 0.10 | Windows 2000 |
| 21 | 14 | 0.01 | 11 | 0.09 | Windows CE |
| 22 | 14 | 0.01 | 10 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 23 | 10 | 0.01 | 6 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 24 | 9 | 0.01 | 6 | 0.05 | Wayback Machine Live Record; +http://arc... |
| 25 | 6 | 0.01 | 6 | 0.05 | +http://www.xovibot.net/ |
| 26 | 4 | 0.00 | 2 | 0.02 | http://www.botje.com/plukkie.htm |
| 27 | 2 | 0.00 | 2 | 0.02 | Linux [unknown version] |
| 28 | 2 | 0.00 | 2 | 0.02 | WinHttp.WinHttpRequest.5 |
| 29 | 1 | 0.00 | 1 | 0.01 | +info@netcraft.com |
