| Used Operating Systems |
| 1 | 15902 | 49.68 | 197 | 2.01 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7527 | 23.52 | 4858 | 49.65 | +http://ahrefs.com/robot/ |
| 3 | 4862 | 15.19 | 3926 | 40.13 | +http://www.baidu.com/search/spider.html |
| 4 | 1459 | 4.56 | 93 | 0.95 | Windows NT |
| 5 | 1058 | 3.31 | 186 | 1.90 | +http://www.google.com/bot.html |
| 6 | 450 | 1.41 | 184 | 1.88 | +http://www.bing.com/bingbot.htm |
| 7 | 152 | 0.47 | 61 | 0.62 | +http://yandex.com/bots |
| 8 | 145 | 0.45 | 125 | 1.28 | +http://www.linkdex.com/bots/ |
| 9 | 60 | 0.19 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 10 | 59 | 0.18 | 32 | 0.33 | +http://www.semrush.com/bot.html |
| 11 | 52 | 0.16 | 26 | 0.27 | +http://napoveda.seznam.cz/en/seznambot-... |
| 12 | 48 | 0.15 | 16 | 0.16 | +spider@seoscanners.net |
| 13 | 36 | 0.11 | 4 | 0.04 | +http://www.seokicks.de/robot.html |
| 14 | 30 | 0.09 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 15 | 18 | 0.06 | 9 | 0.09 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 17 | 0.05 | 9 | 0.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 16 | 0.05 | 6 | 0.06 | Windows XP |
| 18 | 12 | 0.04 | 6 | 0.06 | +http://www.exabot.com/go/robot |
| 19 | 11 | 0.03 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 20 | 10 | 0.03 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 21 | 10 | 0.03 | 1 | 0.01 | +http://megaindex.com/crawler |
| 22 | 9 | 0.03 | 3 | 0.03 | +https://gimmeusa.com/crawler.html |
| 23 | 9 | 0.03 | 2 | 0.02 | +http://siteexplorer.info/ |
| 24 | 5 | 0.02 | 3 | 0.03 | Auto; Windows |
| 25 | 5 | 0.02 | 5 | 0.05 | Windows 95 |
| 26 | 4 | 0.01 | 2 | 0.02 | support.orangebot@orange.com |
| 27 | 4 | 0.01 | 2 | 0.02 | http://www.businessseek.biz/ |
| 28 | 4 | 0.01 | 2 | 0.02 | +http://www.uptime.com/uptimebot |
| 29 | 4 | 0.01 | 1 | 0.01 | +http://www.profound.net/domainappender |
| 30 | 4 | 0.01 | 1 | 0.01 | +http://duckduckgo.com |
| 31 | 3 | 0.01 | 3 | 0.03 | Windows 2002 |
| 32 | 2 | 0.01 | 1 | 0.01 | Windows 2000 |
| 33 | 2 | 0.01 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 34 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 35 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 36 | 2 | 0.01 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 37 | 2 | 0.01 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 38 | 2 | 0.01 | 2 | 0.02 | X11 |
| 39 | 2 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 40 | 1 | 0.00 | 1 | 0.01 | Windows 2008 |
| 41 | 1 | 0.00 | 1 | 0.01 | Windows CE |
| 42 | 1 | 0.00 | 1 | 0.01 | +http://pmoz.info/doc/botinfo.htm |
| 43 | 1 | 0.00 | 1 | 0.01 | +https://rankval.com |
| 44 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 45 | 1 | 0.00 | 1 | 0.01 | Windows 2003 |
| 46 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
