| Used Operating Systems |
| 1 | 24502 | 36.55 | 491 | 2.10 | +http://yandex.com/bots |
| 2 | 23702 | 35.36 | 19162 | 81.99 | +http://ahrefs.com/robot/ |
| 3 | 10453 | 15.59 | 83 | 0.36 | http://mj12bot.com/ |
| 4 | 2688 | 4.01 | 790 | 3.38 | Windows NT |
| 5 | 2422 | 3.61 | 2232 | 9.55 | +http://www.baidu.com/search/spider.html |
| 6 | 1238 | 1.85 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 7 | 539 | 0.80 | 171 | 0.73 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 373 | 0.56 | 96 | 0.41 | +http://www.google.com/bot.html |
| 9 | 279 | 0.42 | 136 | 0.58 | +http://www.bing.com/bingbot.htm |
| 10 | 250 | 0.37 | 1 | 0.00 | Linux [unknown version] |
| 11 | 141 | 0.21 | 4 | 0.02 | +http://www.semrush.com/bot.html |
| 12 | 138 | 0.21 | 41 | 0.18 | +http://www.linkdex.com/bots/ |
| 13 | 52 | 0.08 | 31 | 0.13 | Windows 95 |
| 14 | 41 | 0.06 | 14 | 0.06 | +http://www.exabot.com/go/robot |
| 15 | 37 | 0.06 | 18 | 0.08 | Windows 98 |
| 16 | 29 | 0.04 | 28 | 0.12 | +http://www.uptime.com/uptimebot |
| 17 | 23 | 0.03 | 10 | 0.04 | Windows XP |
| 18 | 23 | 0.03 | 12 | 0.05 | Windows 3.1 |
| 19 | 16 | 0.02 | 10 | 0.04 | Windows ME |
| 20 | 14 | 0.02 | 9 | 0.04 | Auto; Windows |
| 21 | 14 | 0.02 | 5 | 0.02 | +http://sur.ly/bot.html |
| 22 | 11 | 0.02 | 5 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 23 | 9 | 0.01 | 5 | 0.02 | Windows CE |
| 24 | 7 | 0.01 | 4 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 25 | 6 | 0.01 | 3 | 0.01 | Windows 2000 |
| 26 | 6 | 0.01 | 1 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 27 | 6 | 0.01 | 0 | 0.00 | Linux i686 [unknown version] |
| 28 | 4 | 0.01 | 1 | 0.00 | +https://www.seoprofiler.com/bot |
| 29 | 3 | 0.00 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 30 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
