| Used Operating Systems |
| 1 | 33255 | 25.29 | 7922 | 46.13 | +http://ahrefs.com/robot/ |
| 2 | 28768 | 21.88 | 669 | 3.90 | +http://yandex.com/bots |
| 3 | 26085 | 19.84 | 1 | 0.01 | +http://megaindex.com/crawler |
| 4 | 19833 | 15.08 | 3104 | 18.07 | Windows NT |
| 5 | 7175 | 5.46 | 744 | 4.33 | +http://www.bing.com/bingbot.htm |
| 6 | 5736 | 4.36 | 124 | 0.72 | http://mj12bot.com/ |
| 7 | 2843 | 2.16 | 2667 | 15.53 | +http://www.baidu.com/search/spider.html |
| 8 | 2305 | 1.75 | 809 | 4.71 | +http://www.google.com/bot.html |
| 9 | 2038 | 1.55 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 10 | 718 | 0.55 | 427 | 2.49 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 667 | 0.51 | 157 | 0.91 | +http://www.linkdex.com/bots/ |
| 12 | 367 | 0.28 | 22 | 0.13 | +http://napoveda.seznam.cz/en/seznambot-... |
| 13 | 358 | 0.27 | 18 | 0.10 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 215 | 0.16 | 45 | 0.26 | +http://www.semrush.com/bot.html |
| 15 | 144 | 0.11 | 36 | 0.21 | +http://www.profound.net/domainappender |
| 16 | 101 | 0.08 | 29 | 0.17 | +http://cliqz.com/company/cliqzbot |
| 17 | 99 | 0.08 | 39 | 0.23 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 90 | 0.07 | 41 | 0.24 | +http://duckduckgo.com |
| 19 | 83 | 0.06 | 62 | 0.36 | Windows 95 |
| 20 | 78 | 0.06 | 2 | 0.01 | Linux [unknown version] |
| 21 | 70 | 0.05 | 49 | 0.29 | Windows 98 |
| 22 | 67 | 0.05 | 18 | 0.10 | +http://www.exabot.com/go/robot |
| 23 | 59 | 0.04 | 16 | 0.09 | Windows XP |
| 24 | 32 | 0.02 | 15 | 0.09 | +https://www.mojeek.com/bot.html |
| 25 | 30 | 0.02 | 4 | 0.02 | Android |
| 26 | 27 | 0.02 | 3 | 0.02 | +http://www.seokicks.de/robot.html |
| 27 | 26 | 0.02 | 5 | 0.03 | +http://siteexplorer.info/Backlink-Check... |
| 28 | 24 | 0.02 | 4 | 0.02 | +http://help.coccoc.com/searchengine |
| 29 | 21 | 0.02 | 14 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 30 | 20 | 0.02 | 14 | 0.08 | +http://www.uptime.com/uptimebot |
| 31 | 19 | 0.01 | 14 | 0.08 | Windows 2000 |
| 32 | 19 | 0.01 | 17 | 0.10 | Windows ME |
| 33 | 17 | 0.01 | 15 | 0.09 | Windows 3.1 |
| 34 | 17 | 0.01 | 4 | 0.02 | +http://naver.me/bot |
| 35 | 14 | 0.01 | 11 | 0.06 | Windows CE |
| 36 | 13 | 0.01 | 12 | 0.07 | Auto; Windows |
| 37 | 13 | 0.01 | 11 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 38 | 13 | 0.01 | 11 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 39 | 7 | 0.01 | 1 | 0.01 | http://filterdb.iss.net/crawler/ |
| 40 | 4 | 0.00 | 2 | 0.01 | +http://sur.ly/bot.html |
| 41 | 4 | 0.00 | 2 | 0.01 | Mail.RU_Bot/Fast/2.0; +http://go.mail.ru... |
| 42 | 3 | 0.00 | 0 | 0.00 | Android 4.1 |
| 43 | 3 | 0.00 | 1 | 0.01 | +http://prlog.ru/ |
| 44 | 3 | 0.00 | 2 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 45 | 2 | 0.00 | 0 | 0.00 | documents; +http://docs.google.com |
| 46 | 2 | 0.00 | 1 | 0.01 | http://cron-job.org/abuse/ |
| 47 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 48 | 2 | 0.00 | 1 | 0.01 | http://www.majestic12.co.uk/bot.php?+ |
| 49 | 2 | 0.00 | 2 | 0.01 | X11 |
| 50 | 1 | 0.00 | 1 | 0.01 | https://nmap.org/book/nse.html |
| 51 | 1 | 0.00 | 1 | 0.01 | +http://glutenfreepleasure.com/ |
| 52 | 1 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 53 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
