| Used Operating Systems |
| 1 | 32003 | 35.07 | 215 | 1.06 | http://mj12bot.com/ |
| 2 | 28403 | 31.12 | 14609 | 72.04 | +http://ahrefs.com/robot/ |
| 3 | 9082 | 9.95 | 2028 | 10.00 | Windows NT |
| 4 | 6692 | 7.33 | 1 | 0.00 | +http://megaindex.com/crawler |
| 5 | 4356 | 4.77 | 217 | 1.07 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 2160 | 2.37 | 1691 | 8.34 | +http://www.baidu.com/search/spider.html |
| 7 | 2127 | 2.33 | 87 | 0.43 | +http://www.semrush.com/bot.html |
| 8 | 1618 | 1.77 | 412 | 2.03 | +http://www.linkdex.com/bots/ |
| 9 | 1463 | 1.60 | 664 | 3.27 | +http://www.google.com/bot.html |
| 10 | 1003 | 1.10 | 1 | 0.00 | http://crawler.007ac9.net/ |
| 11 | 777 | 0.85 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 12 | 476 | 0.52 | 5 | 0.02 | Windows 98 |
| 13 | 439 | 0.48 | 130 | 0.64 | +http://yandex.com/bots |
| 14 | 293 | 0.32 | 134 | 0.66 | +http://www.bing.com/bingbot.htm |
| 15 | 93 | 0.10 | 13 | 0.06 | +http://siteexplorer.info/Backlink-Check... |
| 16 | 80 | 0.09 | 5 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 17 | 39 | 0.04 | 1 | 0.00 | X11 |
| 18 | 36 | 0.04 | 10 | 0.05 | +http://sur.ly/bot.html |
| 19 | 27 | 0.03 | 2 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 25 | 0.03 | 10 | 0.05 | +http://www.exabot.com/go/robot |
| 21 | 22 | 0.02 | 12 | 0.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 22 | 17 | 0.02 | 0 | 0.00 | Android 2.3.5 |
| 23 | 12 | 0.01 | 9 | 0.04 | Windows 95 |
| 24 | 4 | 0.00 | 4 | 0.02 | +http://www.uptime.com/uptimebot |
| 25 | 3 | 0.00 | 3 | 0.01 | Windows CE |
| 26 | 3 | 0.00 | 3 | 0.01 | Windows XP |
| 27 | 2 | 0.00 | 2 | 0.01 | Windows 2000 |
| 28 | 2 | 0.00 | 1 | 0.00 | Windows 3.1 |
| 29 | 2 | 0.00 | 1 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 30 | 2 | 0.00 | 2 | 0.01 | actually this is http://ismyblogworking.... |
| 31 | 1 | 0.00 | 1 | 0.00 | webcrawler at wise-guys dot nl; http://w... |
| 32 | 1 | 0.00 | 0 | 0.00 | webcrawler at wise-guys dot nl; http://w... |
| 33 | 1 | 0.00 | 1 | 0.00 | Windows ME |
| 34 | 1 | 0.00 | 1 | 0.00 | WinHttp.WinHttpRequest.5 |
| 35 | 1 | 0.00 | 1 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 36 | 1 | 0.00 | 1 | 0.00 | MSIE 5.5; Windows NT 5.0 |
