| Used Operating Systems |
| 1 | 32623 | 48.13 | 297 | 2.24 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12582 | 18.56 | 8624 | 64.94 | +http://ahrefs.com/robot/ |
| 3 | 7740 | 11.42 | 521 | 3.92 | Windows NT |
| 4 | 3447 | 5.09 | 1 | 0.01 | +http://megaindex.com/crawler |
| 5 | 2823 | 4.16 | 2235 | 16.83 | +http://www.baidu.com/search/spider.html |
| 6 | 2424 | 3.58 | 305 | 2.30 | +http://yandex.com/bots |
| 7 | 2070 | 3.05 | 841 | 6.33 | +http://www.google.com/bot.html |
| 8 | 2002 | 2.95 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 9 | 517 | 0.76 | 8 | 0.06 | +http://siteexplorer.info/ |
| 10 | 424 | 0.63 | 2 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 11 | 394 | 0.58 | 191 | 1.44 | +http://www.bing.com/bingbot.htm |
| 12 | 333 | 0.49 | 74 | 0.56 | +http://www.linkdex.com/bots/ |
| 13 | 62 | 0.09 | 32 | 0.24 | +http://www.exabot.com/go/robot |
| 14 | 59 | 0.09 | 26 | 0.20 | Windows XP |
| 15 | 47 | 0.07 | 23 | 0.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 39 | 0.06 | 11 | 0.08 | Windows 98 |
| 17 | 36 | 0.05 | 18 | 0.14 | +http://duckduckgo.com |
| 18 | 25 | 0.04 | 15 | 0.11 | Windows 95 |
| 19 | 24 | 0.04 | 10 | 0.08 | Windows CE |
| 20 | 23 | 0.03 | 6 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 21 | 14 | 0.02 | 1 | 0.01 | +http://www.linkpad.ru |
| 22 | 12 | 0.02 | 3 | 0.02 | +spider@seoscanners.net |
| 23 | 12 | 0.02 | 12 | 0.09 | +http://www.xovibot.net/ |
| 24 | 12 | 0.02 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 25 | 7 | 0.01 | 3 | 0.02 | Windows 3.1 |
| 26 | 6 | 0.01 | 2 | 0.02 | WinHttp.WinHttpRequest.5 |
| 27 | 4 | 0.01 | 2 | 0.02 | Windows 2000 |
| 28 | 4 | 0.01 | 4 | 0.03 | Auto; Windows |
| 29 | 4 | 0.01 | 2 | 0.02 | Windows ME |
| 30 | 4 | 0.01 | 3 | 0.02 | +info@netcraft.com |
| 31 | 4 | 0.01 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 32 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 33 | 2 | 0.00 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 34 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
