| Used Operating Systems |
| 1 | 12243 | 42.07 | 2145 | 40.58 | +http://www.baidu.com/search/spider.html |
| 2 | 4504 | 15.48 | 1325 | 25.07 | Windows NT |
| 3 | 4499 | 15.46 | 1213 | 22.95 | +http://www.easou.com/search/spider.html |
| 4 | 3359 | 11.54 | 102 | 1.93 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 1471 | 5.05 | 56 | 1.06 | Windows 98 |
| 6 | 1016 | 3.49 | 4 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 7 | 892 | 3.06 | 84 | 1.59 | +http://yandex.com/bots |
| 8 | 332 | 1.14 | 158 | 2.99 | +http://ahrefs.com/robot/ |
| 9 | 226 | 0.78 | 65 | 1.23 | +http://www.google.com/bot.html |
| 10 | 203 | 0.70 | 47 | 0.89 | +http://www.linkdex.com/bots/ |
| 11 | 97 | 0.33 | 27 | 0.51 | +http://www.exabot.com/go/robot |
| 12 | 65 | 0.22 | 13 | 0.25 | +http://www.bing.com/bingbot.htm |
| 13 | 58 | 0.20 | 7 | 0.13 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 20 | 0.07 | 2 | 0.04 | X11 |
| 15 | 18 | 0.06 | 2 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 16 | 0.05 | 2 | 0.04 | +http://www.linkpad.ru |
| 17 | 12 | 0.04 | 2 | 0.04 | PPC Mac OS X |
| 18 | 10 | 0.03 | 2 | 0.04 | +http://u12files.com/ |
| 19 | 8 | 0.03 | 6 | 0.11 | Windows 95 |
| 20 | 8 | 0.03 | 3 | 0.06 | +http://gimme60.com |
| 21 | 8 | 0.03 | 2 | 0.04 | +http://freedlf.com/ |
| 22 | 6 | 0.02 | 3 | 0.06 | http://crawler.sistrix.net/ |
| 23 | 6 | 0.02 | 2 | 0.04 | +http://inload.in |
| 24 | 5 | 0.02 | 1 | 0.02 | Android 2.3.5 |
| 25 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 26 | 4 | 0.01 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 27 | 3 | 0.01 | 3 | 0.06 | +http://wmaid.com/explore/ |
| 28 | 2 | 0.01 | 2 | 0.04 | Windows ME |
| 29 | 2 | 0.01 | 2 | 0.04 | Linux i686 [unknown version] |
| 30 | 2 | 0.01 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 31 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 32 | 2 | 0.01 | 2 | 0.04 | ) - BrowseX (2.0.0 Windows |
