| Used Operating Systems |
| 1 | 25314 | 42.82 | 12040 | 62.54 | +http://www.baidu.com/search/spider.html |
| 2 | 13016 | 22.02 | 276 | 1.43 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 9345 | 15.81 | 2977 | 15.46 | Windows NT |
| 4 | 2561 | 4.33 | 792 | 4.11 | +http://www.bing.com/bingbot.htm |
| 5 | 1861 | 3.15 | 831 | 4.32 | +http://www.google.com/bot.html |
| 6 | 1528 | 2.58 | 845 | 4.39 | +http://www.easou.com/search/spider.html |
| 7 | 1236 | 2.09 | 283 | 1.47 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 1151 | 1.95 | 67 | 0.35 | +http://yandex.com/bots |
| 9 | 656 | 1.11 | 278 | 1.44 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 450 | 0.76 | 365 | 1.90 | +http://ahrefs.com/robot/ |
| 11 | 443 | 0.75 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 12 | 272 | 0.46 | 16 | 0.08 | http://www.searchmetrics.com/en/searchme... |
| 13 | 266 | 0.45 | 84 | 0.44 | +http://www.linkdex.com/bots/ |
| 14 | 208 | 0.35 | 59 | 0.31 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 128 | 0.22 | 78 | 0.41 | Windows 95 |
| 16 | 91 | 0.15 | 14 | 0.07 | Windows 98 |
| 17 | 79 | 0.13 | 5 | 0.03 | AOL 9.5; AOLBuild 4337.5401; Windows NT ... |
| 18 | 70 | 0.12 | 64 | 0.33 | +http://www.xovibot.net/ |
| 19 | 54 | 0.09 | 27 | 0.14 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 45 | 0.08 | 14 | 0.07 | +http://www.exabot.com/go/robot |
| 21 | 44 | 0.07 | 4 | 0.02 | +http://www.profound.net/urlappendbot.ht... |
| 22 | 44 | 0.07 | 4 | 0.02 | +http://www.profound.net/domainappender |
| 23 | 33 | 0.06 | 1 | 0.01 | +http://www.linkpad.ru |
| 24 | 30 | 0.05 | 15 | 0.08 | Windows CE |
| 25 | 29 | 0.05 | 21 | 0.11 | MSIE 5.5; Windows NT 5.0 |
| 26 | 23 | 0.04 | 16 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 27 | 19 | 0.03 | 10 | 0.05 | Auto; Windows |
| 28 | 16 | 0.03 | 10 | 0.05 | Windows 2000 |
| 29 | 16 | 0.03 | 12 | 0.06 | Windows 3.1 |
| 30 | 13 | 0.02 | 12 | 0.06 | Windows ME |
| 31 | 12 | 0.02 | 12 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 32 | 10 | 0.02 | 0 | 0.00 | Windows XP |
| 33 | 7 | 0.01 | 2 | 0.01 | +http://uni5download.com |
| 34 | 7 | 0.01 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 35 | 4 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 36 | 4 | 0.01 | 2 | 0.01 | http://crawler.sistrix.net/ |
| 37 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 38 | 4 | 0.01 | 2 | 0.01 | Android 2.3.5 |
| 39 | 4 | 0.01 | 1 | 0.01 | +http://a14download.com |
| 40 | 3 | 0.01 | 1 | 0.01 | Android |
| 41 | 3 | 0.01 | 1 | 0.01 | +http://onlythegames.com |
| 42 | 3 | 0.01 | 2 | 0.01 | +http://wmaid.com/explore/ |
| 43 | 3 | 0.01 | 1 | 0.01 | +http://dl2engine.net |
| 44 | 3 | 0.01 | 1 | 0.01 | +http://inload.me |
| 45 | 2 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 46 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 47 | 2 | 0.00 | 1 | 0.01 | +http://www.semrush.com/bot.html |
| 48 | 2 | 0.00 | 1 | 0.01 | X11 |
| 49 | 1 | 0.00 | 0 | 0.00 | SpreadTrum |
