| Used Operating Systems |
| 1 | 9764 | 68.06 | 2073 | 47.11 | Windows NT |
| 2 | 1378 | 9.61 | 1244 | 28.27 | +http://www.baidu.com/search/spider.html |
| 3 | 945 | 6.59 | 272 | 6.18 | +http://www.google.com/bot.html |
| 4 | 708 | 4.94 | 251 | 5.70 | +http://www.bing.com/bingbot.htm |
| 5 | 208 | 1.45 | 117 | 2.66 | +http://ahrefs.com/robot/ |
| 6 | 197 | 1.37 | 3 | 0.07 | +http://www.aihit.com/ |
| 7 | 157 | 1.09 | 106 | 2.41 | Windows 95 |
| 8 | 155 | 1.08 | 23 | 0.52 | +http://yandex.com/bots |
| 9 | 143 | 1.00 | 61 | 1.39 | ezooms.bot@gmail.com |
| 10 | 116 | 0.81 | 16 | 0.36 | Windows 98 |
| 11 | 80 | 0.56 | 12 | 0.27 | http://crawler.sistrix.net/ |
| 12 | 78 | 0.54 | 34 | 0.77 | +http://www.easou.com/search/spider.html |
| 13 | 52 | 0.36 | 7 | 0.16 | +http://siteexplorer.info/ |
| 14 | 46 | 0.32 | 9 | 0.20 | http://www.majestic12.co.uk/bot.php?+ |
| 15 | 37 | 0.26 | 26 | 0.59 | Windows CE |
| 16 | 33 | 0.23 | 26 | 0.59 | MSIE 5.5; Windows NT 5.0 |
| 17 | 33 | 0.23 | 1 | 0.02 | X11 |
| 18 | 26 | 0.18 | 2 | 0.05 | Windows XP |
| 19 | 24 | 0.17 | 18 | 0.41 | MSIE 5.5; Windows NT 4.0 |
| 20 | 23 | 0.16 | 12 | 0.27 | +http://discoveryengine.com/discoverybot... |
| 21 | 20 | 0.14 | 9 | 0.20 | +http://www.exabot.com/go/robot |
| 22 | 17 | 0.12 | 13 | 0.30 | Windows ME |
| 23 | 16 | 0.11 | 15 | 0.34 | Auto; Windows |
| 24 | 16 | 0.11 | 11 | 0.25 | Windows 2000 |
| 25 | 16 | 0.11 | 12 | 0.27 | Windows 3.1 |
| 26 | 16 | 0.11 | 2 | 0.05 | Android 2.3.5 |
| 27 | 10 | 0.07 | 10 | 0.23 | ) - BrowseX (2.0.0 Windows |
| 28 | 8 | 0.06 | 2 | 0.05 | +http://www.procog.com/ |
| 29 | 4 | 0.03 | 0 | 0.00 | +http://www-935.ibm.com/services/us/inde... |
| 30 | 4 | 0.03 | 2 | 0.05 | http://www.botje.com/plukkie.htm |
| 31 | 3 | 0.02 | 3 | 0.07 | Linux [unknown version] |
| 32 | 3 | 0.02 | 1 | 0.02 | +http://linkchecker.sourceforge.net/ |
| 33 | 3 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 34 | 2 | 0.01 | 1 | 0.02 | +http://go.mail.ru/help/robots |
| 35 | 2 | 0.01 | 2 | 0.05 | http://www.searchmetrics.com/en/searchme... |
| 36 | 2 | 0.01 | 2 | 0.05 | Intel Mac OS X 10.6 |
| 37 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
