| Used Operating Systems |
| 1 | 12554 | 35.97 | 158 | 1.66 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7060 | 20.23 | 4132 | 43.50 | +http://ahrefs.com/robot/ |
| 3 | 3069 | 8.79 | 2471 | 26.01 | +http://www.baidu.com/search/spider.html |
| 4 | 3068 | 8.79 | 704 | 7.41 | +http://www.bing.com/bingbot.htm |
| 5 | 2632 | 7.54 | 697 | 7.34 | Windows NT |
| 6 | 2495 | 7.15 | 10 | 0.11 | +http://www.warebay.com/bot.html |
| 7 | 1009 | 2.89 | 264 | 2.78 | +http://www.linkdex.com/bots/ |
| 8 | 942 | 2.70 | 264 | 2.78 | +http://yandex.com/bots |
| 9 | 877 | 2.51 | 393 | 4.14 | +http://www.google.com/bot.html |
| 10 | 333 | 0.95 | 171 | 1.80 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 200 | 0.57 | 3 | 0.03 | +http://webmeup-crawler.com/ |
| 12 | 198 | 0.57 | 18 | 0.19 | +http://fulltext.sblog.cz/ |
| 13 | 64 | 0.18 | 30 | 0.32 | +http://duckduckgo.com |
| 14 | 58 | 0.17 | 21 | 0.22 | Windows XP |
| 15 | 57 | 0.16 | 44 | 0.46 | +http://www.uptime.com/uptimebot |
| 16 | 32 | 0.09 | 17 | 0.18 | +http://www.exabot.com/go/robot |
| 17 | 27 | 0.08 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 18 | 24 | 0.07 | 14 | 0.15 | Windows 95 |
| 19 | 24 | 0.07 | 10 | 0.11 | Windows 98 |
| 20 | 20 | 0.06 | 10 | 0.11 | +http://help.coccoc.com/ |
| 21 | 16 | 0.05 | 15 | 0.16 | apps-spreadsheets; +http://docs.google.c... |
| 22 | 15 | 0.04 | 1 | 0.01 | Windows Phone |
| 23 | 12 | 0.03 | 3 | 0.03 | Android |
| 24 | 12 | 0.03 | 8 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 25 | 11 | 0.03 | 4 | 0.04 | Windows ME |
| 26 | 10 | 0.03 | 4 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 27 | 9 | 0.03 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 28 | 9 | 0.03 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 29 | 8 | 0.02 | 1 | 0.01 | +http://megaindex.com/crawler |
| 30 | 6 | 0.02 | 4 | 0.04 | Windows 2000 |
| 31 | 6 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 32 | 5 | 0.01 | 2 | 0.02 | +http://www.semrush.com/bot.html |
| 33 | 4 | 0.01 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 34 | 4 | 0.01 | 1 | 0.01 | +http://www.linkpad.ru |
| 35 | 4 | 0.01 | 2 | 0.02 | +http://siteexplorer.info/ |
| 36 | 3 | 0.01 | 1 | 0.01 | Windows CE |
| 37 | 3 | 0.01 | 2 | 0.02 | Auto; Windows |
| 38 | 3 | 0.01 | 1 | 0.01 | +http://www.privacyaware.org |
| 39 | 3 | 0.01 | 1 | 0.01 | Windows 3.1 |
| 40 | 3 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 41 | 2 | 0.01 | 1 | 0.01 | support.orangebot@orange.com |
| 42 | 2 | 0.01 | 1 | 0.01 | Linux [unknown version] |
| 43 | 2 | 0.01 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 44 | 2 | 0.01 | 0 | 0.00 | Windows Phone OS 7.0 |
| 45 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 46 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 47 | 1 | 0.00 | 1 | 0.01 | Android 2.3.4 |
| 48 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 49 | 1 | 0.00 | 0 | 0.00 | +http://corp.sputnik.ru/webmaster |
| 50 | 1 | 0.00 | 1 | 0.01 | X11 |
| 51 | 1 | 0.00 | 1 | 0.01 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 52 | 1 | 0.00 | 1 | 0.01 | Android 2.3.5 |
