| Used Operating Systems |
| 1 | 29000 | 59.64 | 18 | 0.23 | Windows XP |
| 2 | 10751 | 22.11 | 4309 | 55.83 | Windows NT |
| 3 | 2370 | 4.87 | 2093 | 27.12 | +http://www.baidu.com/search/spider.html |
| 4 | 1936 | 3.98 | 170 | 2.20 | +http://ahrefs.com/robot/ |
| 5 | 1751 | 3.60 | 324 | 4.20 | ezooms.bot@gmail.com |
| 6 | 638 | 1.31 | 194 | 2.51 | +http://www.bing.com/bingbot.htm |
| 7 | 499 | 1.03 | 88 | 1.14 | +http://yandex.com/bots |
| 8 | 396 | 0.81 | 114 | 1.48 | +http://www.google.com/bot.html |
| 9 | 343 | 0.71 | 7 | 0.09 | http://crawler.sistrix.net/ |
| 10 | 256 | 0.53 | 37 | 0.48 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 159 | 0.33 | 19 | 0.25 | Windows 98 |
| 12 | 147 | 0.30 | 115 | 1.49 | Windows 95 |
| 13 | 67 | 0.14 | 26 | 0.34 | +http://www.exabot.com/go/robot |
| 14 | 40 | 0.08 | 29 | 0.38 | MSIE 5.5; Windows NT 5.0 |
| 15 | 35 | 0.07 | 31 | 0.40 | Windows CE |
| 16 | 35 | 0.07 | 27 | 0.35 | Windows 3.1 |
| 17 | 29 | 0.06 | 25 | 0.32 | MSIE 5.5; Windows NT 4.0 |
| 18 | 25 | 0.05 | 11 | 0.14 | +http://discoveryengine.com/discoverybot... |
| 19 | 21 | 0.04 | 19 | 0.25 | Windows ME |
| 20 | 21 | 0.04 | 6 | 0.08 | X11 |
| 21 | 19 | 0.04 | 18 | 0.23 | Windows 2000 |
| 22 | 14 | 0.03 | 1 | 0.01 | Android 2.3.5 |
| 23 | 13 | 0.03 | 13 | 0.17 | Auto; Windows |
| 24 | 12 | 0.02 | 1 | 0.01 | bot@language-tools.com |
| 25 | 12 | 0.02 | 12 | 0.16 | ) - BrowseX (2.0.0 Windows |
| 26 | 10 | 0.02 | 0 | 0.00 | +http://siteexplorer.info/ |
| 27 | 5 | 0.01 | 1 | 0.01 | +http://www.procog.com/ |
| 28 | 4 | 0.01 | 1 | 0.01 | +http://domains.checkparams.com/ |
| 29 | 3 | 0.01 | 3 | 0.04 | Linux i686 [unknown version] |
| 30 | 3 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 31 | 2 | 0.00 | 2 | 0.03 | http://www.searchmetrics.com/en/searchme... |
| 32 | 2 | 0.00 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 33 | 2 | 0.00 | 2 | 0.03 | +http://shoulu.jike.com/spider.html |
| 34 | 1 | 0.00 | 0 | 0.00 | +http://help.soso.com/webspider.htm |
| 35 | 1 | 0.00 | 1 | 0.01 | +http://awcheck.com/en/about |
