| Used Operating Systems |
| 1 | 47915 | 31.64 | 285 | 1.03 | http://mj12bot.com/ |
| 2 | 45099 | 29.79 | 2690 | 9.75 | Windows NT |
| 3 | 24176 | 15.97 | 17926 | 65.01 | +http://ahrefs.com/robot/ |
| 4 | 20457 | 13.51 | 441 | 1.60 | +http://yandex.com/bots |
| 5 | 6285 | 4.15 | 4607 | 16.71 | +http://www.baidu.com/search/spider.html |
| 6 | 2120 | 1.40 | 255 | 0.92 | +http://www.bing.com/bingbot.htm |
| 7 | 1486 | 0.98 | 281 | 1.02 | +http://www.linkdex.com/bots/ |
| 8 | 1391 | 0.92 | 4 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 9 | 1201 | 0.79 | 260 | 0.94 | +http://www.google.com/bot.html |
| 10 | 306 | 0.20 | 229 | 0.83 | Windows 95 |
| 11 | 201 | 0.13 | 69 | 0.25 | Windows 98 |
| 12 | 150 | 0.10 | 56 | 0.20 | +spider@seoscanners.net |
| 13 | 76 | 0.05 | 70 | 0.25 | +http://www.uptime.com/uptimebot |
| 14 | 67 | 0.04 | 51 | 0.18 | Windows CE |
| 15 | 64 | 0.04 | 23 | 0.08 | Windows XP |
| 16 | 64 | 0.04 | 48 | 0.17 | Windows ME |
| 17 | 64 | 0.04 | 46 | 0.17 | Windows 3.1 |
| 18 | 57 | 0.04 | 46 | 0.17 | ) - BrowseX (2.0.0 Windows |
| 19 | 56 | 0.04 | 46 | 0.17 | Auto; Windows |
| 20 | 51 | 0.03 | 44 | 0.16 | MSIE 5.5; Windows NT 5.0 |
| 21 | 50 | 0.03 | 42 | 0.15 | MSIE 5.5; Windows NT 4.0 |
| 22 | 44 | 0.03 | 38 | 0.14 | Windows 2000 |
| 23 | 18 | 0.01 | 7 | 0.03 | http://help.yahoo.com/help/us/ysearch/sl... |
| 24 | 9 | 0.01 | 5 | 0.02 | +http://sur.ly/bot.html |
| 25 | 4 | 0.00 | 4 | 0.01 | http://nmap.org/book/nse.html |
| 26 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 27 | 1 | 0.00 | 1 | 0.00 | +http://www.google.com/bot.html,Yahoo! S... |
