| Used Operating Systems |
| 1 | 10964 | 53.93 | 3342 | 70.84 | Windows NT |
| 2 | 6231 | 30.65 | 126 | 2.67 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 804 | 3.95 | 363 | 7.69 | +http://www.bing.com/bingbot.htm |
| 4 | 624 | 3.07 | 351 | 7.44 | +http://www.google.com/bot.html |
| 5 | 406 | 2.00 | 63 | 1.34 | +http://yandex.com/bots |
| 6 | 258 | 1.27 | 130 | 2.76 | +http://www.baidu.com/search/spider.html |
| 7 | 242 | 1.19 | 85 | 1.80 | +http://www.linkdex.com/bots/ |
| 8 | 140 | 0.69 | 54 | 1.14 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 57 | 0.28 | 25 | 0.53 | Windows 95 |
| 10 | 46 | 0.23 | 24 | 0.51 | +http://ahrefs.com/robot/ |
| 11 | 44 | 0.22 | 14 | 0.30 | Windows 98 |
| 12 | 42 | 0.21 | 8 | 0.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 38 | 0.19 | 3 | 0.06 | +https://www.mojeek.com/bot.html |
| 14 | 38 | 0.19 | 29 | 0.61 | +http://www.easou.com/search/spider.html |
| 15 | 38 | 0.19 | 2 | 0.04 | http://crawler.007ac9.net/ |
| 16 | 36 | 0.18 | 2 | 0.04 | http://crawler.sistrix.net/ |
| 17 | 34 | 0.17 | 17 | 0.36 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 28 | 0.14 | 1 | 0.02 | +http://fulltext.sblog.cz/ |
| 19 | 23 | 0.11 | 9 | 0.19 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 21 | 0.10 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 21 | 18 | 0.09 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 22 | 18 | 0.09 | 3 | 0.06 | X11 |
| 23 | 17 | 0.08 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 24 | 17 | 0.08 | 4 | 0.08 | Android 2.3.5 |
| 25 | 17 | 0.08 | 7 | 0.15 | +http://www.exabot.com/go/robot |
| 26 | 12 | 0.06 | 6 | 0.13 | Windows XP |
| 27 | 11 | 0.05 | 1 | 0.02 | crawler@mixrank.com |
| 28 | 10 | 0.05 | 5 | 0.11 | +http://www.semrush.com/bot.html |
| 29 | 9 | 0.04 | 5 | 0.11 | Windows 3.1 |
| 30 | 9 | 0.04 | 5 | 0.11 | MSIE 5.5; Windows NT 4.0 |
| 31 | 8 | 0.04 | 4 | 0.08 | Windows 2000 |
| 32 | 8 | 0.04 | 4 | 0.08 | Windows ME |
| 33 | 8 | 0.04 | 6 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 34 | 7 | 0.03 | 3 | 0.06 | Windows CE |
| 35 | 6 | 0.03 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 36 | 4 | 0.02 | 1 | 0.02 | +http://uni5download.com |
| 37 | 4 | 0.02 | 1 | 0.02 | +http://mono.name |
| 38 | 4 | 0.02 | 1 | 0.02 | +http://getdownload.ws |
| 39 | 4 | 0.02 | 1 | 0.02 | +http://galaxydownloads.co |
| 40 | 4 | 0.02 | 2 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 41 | 3 | 0.01 | 1 | 0.02 | Auto; Windows |
| 42 | 3 | 0.01 | 1 | 0.02 | +http://alphaphitote.com |
| 43 | 3 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 44 | 3 | 0.01 | 1 | 0.02 | +http://opendownload.pw |
| 45 | 2 | 0.01 | 2 | 0.04 | Windows Phone OS 7.5 |
| 46 | 2 | 0.01 | 1 | 0.02 | +http://wmaid.com/en/explore/ |
| 47 | 2 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 48 | 1 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 49 | 1 | 0.00 | 1 | 0.02 | Linux i586 [unknown version] |
| 50 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
