| Used Operating Systems |
| 1 | 45772 | 46.36 | 187 | 0.80 | http://mj12bot.com/ |
| 2 | 24234 | 24.55 | 17250 | 74.00 | +http://ahrefs.com/robot/ |
| 3 | 11097 | 11.24 | 428 | 1.84 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 4723 | 4.78 | 3509 | 15.05 | +http://www.baidu.com/search/spider.html |
| 5 | 3865 | 3.91 | 676 | 2.90 | Windows NT |
| 6 | 2265 | 2.29 | 6 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 7 | 2260 | 2.29 | 347 | 1.49 | +http://www.linkdex.com/bots/ |
| 8 | 2006 | 2.03 | 2 | 0.01 | http://crawler.007ac9.net/ |
| 9 | 1340 | 1.36 | 321 | 1.38 | +http://www.bing.com/bingbot.htm |
| 10 | 643 | 0.65 | 346 | 1.48 | +http://www.google.com/bot.html |
| 11 | 167 | 0.17 | 43 | 0.18 | +http://yandex.com/bots |
| 12 | 91 | 0.09 | 40 | 0.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 58 | 0.06 | 54 | 0.23 | Windows 95 |
| 14 | 38 | 0.04 | 20 | 0.09 | Windows 98 |
| 15 | 31 | 0.03 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 16 | 26 | 0.03 | 1 | 0.00 | https://nmap.org/book/nse.html |
| 17 | 17 | 0.02 | 17 | 0.07 | Auto; Windows |
| 18 | 16 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 19 | 12 | 0.01 | 12 | 0.05 | Windows ME |
| 20 | 11 | 0.01 | 9 | 0.04 | Windows 3.1 |
| 21 | 9 | 0.01 | 8 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 22 | 9 | 0.01 | 9 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 23 | 7 | 0.01 | 2 | 0.01 | Windows XP |
| 24 | 6 | 0.01 | 6 | 0.03 | Windows CE |
| 25 | 6 | 0.01 | 6 | 0.03 | Windows 2000 |
| 26 | 5 | 0.01 | 2 | 0.01 | +info@netcraft.com |
| 27 | 4 | 0.00 | 4 | 0.02 | +http://www.uptime.com/uptimebot |
| 28 | 4 | 0.00 | 4 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 29 | 3 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 30 | 2 | 0.00 | 2 | 0.01 | Intel Mac OS X 10.4 |
| 31 | 1 | 0.00 | 1 | 0.00 | +http://sur.ly/bot.html |
