| Used Operating Systems |
| 1 | 30646 | 36.87 | 324 | 1.46 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 22592 | 27.18 | 12975 | 58.31 | +http://www.baidu.com/search/spider.html |
| 3 | 8971 | 10.79 | 667 | 3.00 | Windows NT |
| 4 | 8535 | 10.27 | 6406 | 28.79 | +http://ahrefs.com/robot/ |
| 5 | 3000 | 3.61 | 872 | 3.92 | +http://www.google.com/bot.html |
| 6 | 2807 | 3.38 | 341 | 1.53 | +http://yandex.com/bots |
| 7 | 2490 | 3.00 | 4 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 8 | 2151 | 2.59 | 3 | 0.01 | +http://megaindex.com/crawler |
| 9 | 795 | 0.96 | 283 | 1.27 | +http://www.bing.com/bingbot.htm |
| 10 | 333 | 0.40 | 192 | 0.86 | +http://www.linkdex.com/bots/ |
| 11 | 138 | 0.17 | 71 | 0.32 | +http://www.semrush.com/bot.html |
| 12 | 132 | 0.16 | 2 | 0.01 | +http://napoveda.seznam.cz/en/seznambot-... |
| 13 | 114 | 0.14 | 10 | 0.04 | Windows 98 |
| 14 | 72 | 0.09 | 9 | 0.04 | Windows 95 |
| 15 | 43 | 0.05 | 18 | 0.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 36 | 0.04 | 12 | 0.05 | +spider@seoscanners.net |
| 17 | 30 | 0.04 | 3 | 0.01 | http://filterdb.iss.net/crawler/ |
| 18 | 26 | 0.03 | 2 | 0.01 | Windows 3.1 |
| 19 | 24 | 0.03 | 2 | 0.01 | +https://www.dataprovider.com/ |
| 20 | 24 | 0.03 | 8 | 0.04 | +http://www.exabot.com/go/robot |
| 21 | 20 | 0.02 | 2 | 0.01 | Windows CE |
| 22 | 18 | 0.02 | 1 | 0.00 | +http://webmeup-crawler.com/ |
| 23 | 16 | 0.02 | 2 | 0.01 | +http://www.seokicks.de/robot.html |
| 24 | 9 | 0.01 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 25 | 9 | 0.01 | 3 | 0.01 | +http://siteexplorer.info/ |
| 26 | 8 | 0.01 | 4 | 0.02 | Wayback Machine Live Record; +http://arc... |
| 27 | 8 | 0.01 | 1 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 28 | 7 | 0.01 | 1 | 0.00 | +http://filterdb.iss.net/crawler/ |
| 29 | 7 | 0.01 | 7 | 0.03 | Windows XP |
| 30 | 7 | 0.01 | 7 | 0.03 | +http://www.xovibot.net/ |
| 31 | 6 | 0.01 | 2 | 0.01 | +http://www.uptime.com/uptimebot |
| 32 | 5 | 0.01 | 1 | 0.00 | +http://www.profound.net/domainappender |
| 33 | 4 | 0.00 | 2 | 0.01 | support.orangebot@orange.com |
| 34 | 4 | 0.00 | 1 | 0.00 | +http://prlog.ru/ |
| 35 | 3 | 0.00 | 2 | 0.01 | Linux i686 [unknown version] |
| 36 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 37 | 2 | 0.00 | 1 | 0.00 | RISC OS 4.02 |
| 38 | 2 | 0.00 | 1 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 39 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 40 | 2 | 0.00 | 0 | 0.00 | Solaris 8.x |
| 41 | 2 | 0.00 | 1 | 0.00 | SunOS 4.1.x |
| 42 | 2 | 0.00 | 0 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 43 | 2 | 0.00 | 1 | 0.00 | AmigaOS/MC680x0 |
| 44 | 2 | 0.00 | 0 | 0.00 | Macintosh |
| 45 | 2 | 0.00 | 2 | 0.01 | WinHttp.WinHttpRequest.5 |
| 46 | 1 | 0.00 | 1 | 0.00 | Windows 2000 |
| 47 | 1 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 48 | 1 | 0.00 | 1 | 0.00 | Windows ME |
