| Used Operating Systems |
| 1 | 31096 | 38.51 | 361 | 2.43 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 13414 | 16.61 | 955 | 6.44 | Windows NT |
| 3 | 12140 | 15.03 | 8133 | 54.82 | +http://ahrefs.com/robot/ |
| 4 | 9866 | 12.22 | 3 | 0.02 | +http://megaindex.com/crawler |
| 5 | 5618 | 6.96 | 3875 | 26.12 | +http://www.baidu.com/search/spider.html |
| 6 | 3420 | 4.24 | 280 | 1.89 | +http://yandex.com/bots |
| 7 | 1632 | 2.02 | 6 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 8 | 744 | 0.92 | 205 | 1.38 | +http://www.linkdex.com/bots/ |
| 9 | 743 | 0.92 | 302 | 2.04 | +http://www.google.com/bot.html |
| 10 | 603 | 0.75 | 226 | 1.52 | +http://www.bing.com/bingbot.htm |
| 11 | 285 | 0.35 | 31 | 0.21 | Windows 98 |
| 12 | 208 | 0.26 | 57 | 0.38 | Windows 95 |
| 13 | 184 | 0.23 | 169 | 1.14 | +http://www.xovibot.net/ |
| 14 | 160 | 0.20 | 58 | 0.39 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 144 | 0.18 | 18 | 0.12 | MSIE 5.5; Windows NT 5.0 |
| 16 | 118 | 0.15 | 55 | 0.37 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 75 | 0.09 | 11 | 0.07 | Windows CE |
| 18 | 74 | 0.09 | 7 | 0.05 | Windows ME |
| 19 | 57 | 0.07 | 9 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 20 | 42 | 0.05 | 10 | 0.07 | Windows 2000 |
| 21 | 35 | 0.04 | 13 | 0.09 | +http://www.exabot.com/go/robot |
| 22 | 24 | 0.03 | 2 | 0.01 | +https://www.dataprovider.com/ |
| 23 | 18 | 0.02 | 17 | 0.11 | Auto; Windows |
| 24 | 13 | 0.02 | 10 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 25 | 12 | 0.01 | 6 | 0.04 | +spider@seoscanners.net |
| 26 | 9 | 0.01 | 5 | 0.03 | Windows XP |
| 27 | 8 | 0.01 | 8 | 0.05 | Windows 3.1 |
| 28 | 7 | 0.01 | 1 | 0.01 | crawler@mixrank.com |
| 29 | 4 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 30 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
