| Used Operating Systems |
| 1 | 23249 | 46.30 | 327 | 4.18 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7840 | 15.61 | 1459 | 18.65 | Windows NT |
| 3 | 4806 | 9.57 | 2549 | 32.59 | +http://ahrefs.com/robot/ |
| 4 | 3387 | 6.75 | 1 | 0.01 | +http://megaindex.com/crawler |
| 5 | 2492 | 4.96 | 4 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 6 | 2194 | 4.37 | 1902 | 24.32 | +http://www.baidu.com/search/spider.html |
| 7 | 1733 | 3.45 | 337 | 4.31 | +http://www.bing.com/bingbot.htm |
| 8 | 1321 | 2.63 | 183 | 2.34 | +http://yandex.com/bots |
| 9 | 923 | 1.84 | 446 | 5.70 | +http://www.google.com/bot.html |
| 10 | 446 | 0.89 | 3 | 0.04 | +http://webmeup-crawler.com/ |
| 11 | 434 | 0.86 | 86 | 1.10 | +http://www.linkdex.com/bots/ |
| 12 | 347 | 0.69 | 123 | 1.57 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 279 | 0.56 | 43 | 0.55 | +http://napoveda.seznam.cz/en/seznambot-... |
| 14 | 168 | 0.33 | 149 | 1.91 | +http://www.xovibot.net/ |
| 15 | 148 | 0.29 | 31 | 0.40 | +http://www.semrush.com/bot.html |
| 16 | 96 | 0.19 | 24 | 0.31 | +http://www.profound.net/domainappender |
| 17 | 58 | 0.12 | 27 | 0.35 | +http://duckduckgo.com |
| 18 | 53 | 0.11 | 24 | 0.31 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 33 | 0.07 | 9 | 0.12 | Windows 98 |
| 20 | 22 | 0.04 | 14 | 0.18 | Windows 95 |
| 21 | 20 | 0.04 | 14 | 0.18 | Windows XP |
| 22 | 18 | 0.04 | 2 | 0.03 | +https://www.dataprovider.com/ |
| 23 | 16 | 0.03 | 2 | 0.03 | +http://www.seokicks.de/robot.html |
| 24 | 15 | 0.03 | 7 | 0.09 | +http://www.exabot.com/go/robot |
| 25 | 14 | 0.03 | 6 | 0.08 | http://www.opensiteexplorer.org/dotbot, ... |
| 26 | 13 | 0.03 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 27 | 13 | 0.03 | 8 | 0.10 | Windows ME |
| 28 | 9 | 0.02 | 5 | 0.06 | Windows CE |
| 29 | 9 | 0.02 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 30 | 8 | 0.02 | 5 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 31 | 5 | 0.01 | 4 | 0.05 | +http://sur.ly/bot.html |
| 32 | 4 | 0.01 | 2 | 0.03 | Windows 2000 |
| 33 | 4 | 0.01 | 4 | 0.05 | Android |
| 34 | 4 | 0.01 | 4 | 0.05 | Linux i686 [unknown version] |
| 35 | 4 | 0.01 | 0 | 0.00 | X11 |
| 36 | 4 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 37 | 3 | 0.01 | 1 | 0.01 | https://nmap.org/book/nse.html |
| 38 | 2 | 0.00 | 2 | 0.03 | Auto; Windows |
| 39 | 2 | 0.00 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 40 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 41 | 2 | 0.00 | 0 | 0.00 | Android 2.3.5 |
| 42 | 2 | 0.00 | 0 | 0.00 | +http://www.uptime.com/uptimebot |
| 43 | 2 | 0.00 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 44 | 1 | 0.00 | 1 | 0.01 | J2ME/MIDP |
| 45 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
| 46 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 47 | 1 | 0.00 | 1 | 0.01 | Android 2.3.6 |
| 48 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 49 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
