| Used Operating Systems |
| 1 | 22074 | 46.08 | 254 | 2.37 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7487 | 15.63 | 4792 | 44.63 | +http://www.baidu.com/search/spider.html |
| 3 | 5560 | 11.61 | 3697 | 34.44 | +http://ahrefs.com/robot/ |
| 4 | 5028 | 10.50 | 152 | 1.42 | +http://www.semrush.com/bot.html |
| 5 | 4089 | 8.54 | 785 | 7.31 | Windows NT |
| 6 | 1019 | 2.13 | 289 | 2.69 | +http://www.bing.com/bingbot.htm |
| 7 | 540 | 1.13 | 5 | 0.05 | +http://www.warebay.com/bot.html |
| 8 | 504 | 1.05 | 203 | 1.89 | +http://www.google.com/bot.html |
| 9 | 445 | 0.93 | 152 | 1.42 | +http://yandex.com/bots |
| 10 | 291 | 0.61 | 123 | 1.15 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 272 | 0.57 | 77 | 0.72 | +http://www.linkdex.com/bots/ |
| 12 | 67 | 0.14 | 29 | 0.27 | Windows XP |
| 13 | 51 | 0.11 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 14 | 48 | 0.10 | 17 | 0.16 | Windows 95 |
| 15 | 48 | 0.10 | 40 | 0.37 | +http://www.uptime.com/uptimebot |
| 16 | 47 | 0.10 | 16 | 0.15 | Windows 98 |
| 17 | 37 | 0.08 | 11 | 0.10 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 33 | 0.07 | 33 | 0.31 | +http://www.xovibot.net/ |
| 19 | 32 | 0.07 | 2 | 0.02 | +http://megaindex.com/crawler |
| 20 | 30 | 0.06 | 3 | 0.03 | +http://fulltext.sblog.cz/ |
| 21 | 29 | 0.06 | 10 | 0.09 | +http://www.exabot.com/go/robot |
| 22 | 18 | 0.04 | 1 | 0.01 | Linux [unknown version] |
| 23 | 17 | 0.04 | 6 | 0.06 | Windows 2000 |
| 24 | 17 | 0.04 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 25 | 14 | 0.03 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 26 | 14 | 0.03 | 1 | 0.01 | +http://www.privacyaware.org |
| 27 | 13 | 0.03 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 28 | 9 | 0.02 | 4 | 0.04 | Windows CE |
| 29 | 8 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 30 | 7 | 0.01 | 3 | 0.03 | Auto; Windows |
| 31 | 7 | 0.01 | 4 | 0.04 | Windows ME |
| 32 | 7 | 0.01 | 3 | 0.03 | Windows 3.1 |
| 33 | 7 | 0.01 | 4 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 34 | 6 | 0.01 | 3 | 0.03 | +http://duckduckgo.com |
| 35 | 5 | 0.01 | 0 | 0.00 | +http://www.pdffiller.com/en/support.htm |
| 36 | 4 | 0.01 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 37 | 3 | 0.01 | 2 | 0.02 | +http://sur.ly/bot.html |
| 38 | 3 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 39 | 2 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 40 | 2 | 0.00 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 41 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 43 | 2 | 0.00 | 1 | 0.01 | +http://siteexplorer.info/ |
| 44 | 1 | 0.00 | 0 | 0.00 | AOL 9.7; AOLBuild 4346.2019; Windows NT ... |
| 45 | 1 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 46 | 1 | 0.00 | 1 | 0.01 | X11 |
| 47 | 1 | 0.00 | 1 | 0.01 | Android 2.3.5 |
| 48 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
