| Used Operating Systems |
| 1 | 27450 | 71.72 | 226 | 3.67 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4521 | 11.81 | 2506 | 40.70 | Windows NT |
| 3 | 2535 | 6.62 | 2178 | 35.37 | +http://www.baidu.com/search/spider.html |
| 4 | 808 | 2.11 | 52 | 0.84 | Windows 98 |
| 5 | 662 | 1.73 | 319 | 5.18 | +http://www.google.com/bot.html |
| 6 | 645 | 1.69 | 363 | 5.89 | +http://www.bing.com/bingbot.htm |
| 7 | 443 | 1.16 | 93 | 1.51 | +http://yandex.com/bots |
| 8 | 291 | 0.76 | 119 | 1.93 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 274 | 0.72 | 71 | 1.15 | +http://www.linkdex.com/bots/ |
| 10 | 266 | 0.70 | 59 | 0.96 | +http://www.exabot.com/go/robot |
| 11 | 107 | 0.28 | 16 | 0.26 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 49 | 0.13 | 25 | 0.41 | +http://ahrefs.com/robot/ |
| 13 | 35 | 0.09 | 25 | 0.41 | Windows 95 |
| 14 | 28 | 0.07 | 21 | 0.34 | X11 |
| 15 | 13 | 0.03 | 7 | 0.11 | +http://wmaid.com/explore/ |
| 16 | 12 | 0.03 | 8 | 0.13 | Android 2.3.5 |
| 17 | 12 | 0.03 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 18 | 9 | 0.02 | 4 | 0.06 | Linux [unknown version] |
| 19 | 9 | 0.02 | 7 | 0.11 | Windows ME |
| 20 | 8 | 0.02 | 4 | 0.06 | +http://www.meanpath.com/meanpathbot.htm... |
| 21 | 7 | 0.02 | 6 | 0.10 | Windows 3.1 |
| 22 | 7 | 0.02 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 23 | 7 | 0.02 | 5 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 24 | 6 | 0.02 | 5 | 0.08 | Windows 2000 |
| 25 | 6 | 0.02 | 2 | 0.03 | +http://getdownload.ws |
| 26 | 6 | 0.02 | 2 | 0.03 | http://www.searchmetrics.com/en/searchme... |
| 27 | 5 | 0.01 | 4 | 0.06 | Windows CE |
| 28 | 5 | 0.01 | 5 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 29 | 4 | 0.01 | 2 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 30 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 31 | 4 | 0.01 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 32 | 4 | 0.01 | 4 | 0.06 | Linux i686 [unknown version] |
| 33 | 4 | 0.01 | 4 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 34 | 4 | 0.01 | 4 | 0.06 | Intel Mac OS X 10.6 |
| 35 | 3 | 0.01 | 3 | 0.05 | Auto; Windows |
| 36 | 3 | 0.01 | 1 | 0.02 | BREW |
| 37 | 3 | 0.01 | 1 | 0.02 | +http://inload.in |
| 38 | 3 | 0.01 | 1 | 0.02 | +http://freedlf.com/ |
| 39 | 3 | 0.01 | 1 | 0.02 | http://crawler.007ac9.net/ |
| 40 | 2 | 0.01 | 0 | 0.00 | Win32 |
| 41 | 2 | 0.01 | 1 | 0.02 | http://crawler.sistrix.net/ |
| 42 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 43 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 44 | 1 | 0.00 | 0 | 0.00 | Android |
