| Used Operating Systems |
| 1 | 13866 | 61.99 | 309 | 4.89 | +http://ahrefs.com/robot/ |
| 2 | 5132 | 22.94 | 4168 | 65.97 | +http://www.baidu.com/search/spider.html |
| 3 | 2057 | 9.20 | 1179 | 18.66 | +http://www.google.com/bot.html |
| 4 | 536 | 2.40 | 293 | 4.64 | Windows NT |
| 5 | 391 | 1.75 | 217 | 3.43 | +http://www.bing.com/bingbot.htm |
| 6 | 76 | 0.34 | 22 | 0.35 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 34 | 0.15 | 18 | 0.28 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 31 | 0.14 | 13 | 0.21 | +http://yandex.com/bots |
| 9 | 25 | 0.11 | 13 | 0.21 | +http://www.exabot.com/go/robot |
| 10 | 20 | 0.09 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 11 | 19 | 0.08 | 7 | 0.11 | +http://fulltext.sblog.cz/ |
| 12 | 16 | 0.07 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 13 | 16 | 0.07 | 8 | 0.13 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 12 | 0.05 | 4 | 0.06 | Linux [unknown version] |
| 15 | 12 | 0.05 | 6 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 16 | 11 | 0.05 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 17 | 11 | 0.05 | 2 | 0.03 | Windows 98 |
| 18 | 10 | 0.04 | 6 | 0.09 | Windows 95 |
| 19 | 10 | 0.04 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 20 | 10 | 0.04 | 1 | 0.02 | +http://megaindex.com/crawler |
| 21 | 8 | 0.04 | 1 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 22 | 8 | 0.04 | 8 | 0.13 | +http://warifort.moykrest.ru |
| 23 | 8 | 0.04 | 7 | 0.11 | +http://www.xovibot.net/ |
| 24 | 8 | 0.04 | 4 | 0.06 | +http://duckduckgo.com |
| 25 | 7 | 0.03 | 7 | 0.11 | +http://warifort.moykrest.ru/ |
| 26 | 5 | 0.02 | 2 | 0.03 | Windows ME |
| 27 | 3 | 0.01 | 1 | 0.02 | Windows 2000 |
| 28 | 3 | 0.01 | 2 | 0.03 | +https://gimmeusa.com/pages/crawler |
| 29 | 3 | 0.01 | 2 | 0.03 | X11 |
| 30 | 3 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 31 | 2 | 0.01 | 1 | 0.02 | support.orangebot@orange.com |
| 32 | 2 | 0.01 | 2 | 0.03 | Windows CE |
| 33 | 2 | 0.01 | 2 | 0.03 | +http://pmoz.info/doc/botinfo.htm |
| 34 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 35 | 2 | 0.01 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 36 | 2 | 0.01 | 2 | 0.03 | WinHttp.WinHttpRequest.5 |
| 37 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
| 38 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 40 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 41 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 42 | 1 | 0.00 | 0 | 0.00 | Windows 9x |
