| Used Operating Systems |
| 1 | 17319 | 35.35 | 8763 | 64.20 | +http://ahrefs.com/robot/ |
| 2 | 9472 | 19.34 | 746 | 5.47 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 8273 | 16.89 | 82 | 0.60 | http://mj12bot.com/ |
| 4 | 5105 | 10.42 | 1828 | 13.39 | Windows NT |
| 5 | 2422 | 4.94 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 6 | 1394 | 2.85 | 230 | 1.69 | +http://yandex.com/bots |
| 7 | 1392 | 2.84 | 779 | 5.71 | +http://www.google.com/bot.html |
| 8 | 831 | 1.70 | 300 | 2.20 | +http://www.bing.com/bingbot.htm |
| 9 | 820 | 1.67 | 92 | 0.67 | +http://www.semrush.com/bot.html |
| 10 | 489 | 1.00 | 41 | 0.30 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 370 | 0.76 | 117 | 0.86 | +http://www.linkdex.com/bots/ |
| 12 | 356 | 0.73 | 276 | 2.02 | +http://www.baidu.com/search/spider.html |
| 13 | 114 | 0.23 | 82 | 0.60 | Windows 95 |
| 14 | 89 | 0.18 | 50 | 0.37 | Windows 98 |
| 15 | 88 | 0.18 | 10 | 0.07 | +http://siteexplorer.info/Backlink-Check... |
| 16 | 70 | 0.14 | 28 | 0.21 | Windows XP |
| 17 | 65 | 0.13 | 25 | 0.18 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 65 | 0.13 | 37 | 0.27 | http://help.yahoo.com/help/us/ysearch/sl... |
| 19 | 31 | 0.06 | 21 | 0.15 | Auto; Windows |
| 20 | 21 | 0.04 | 17 | 0.12 | ) - BrowseX (2.0.0 Windows |
| 21 | 20 | 0.04 | 4 | 0.03 | Mail.RU_Bot/Img/2.0; +http://go.mail.ru/... |
| 22 | 19 | 0.04 | 19 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 23 | 18 | 0.04 | 2 | 0.01 | +http://www.seokicks.de/robot.html |
| 24 | 17 | 0.03 | 12 | 0.09 | Windows 2000 |
| 25 | 16 | 0.03 | 13 | 0.10 | Windows CE |
| 26 | 15 | 0.03 | 13 | 0.10 | Windows 3.1 |
| 27 | 12 | 0.02 | 12 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 28 | 11 | 0.02 | 1 | 0.01 | crawler@mixrank.com |
| 29 | 9 | 0.02 | 9 | 0.07 | Windows ME |
| 30 | 8 | 0.02 | 4 | 0.03 | http://yooz.ir; info@yooz.ir |
| 31 | 8 | 0.02 | 4 | 0.03 | +http://help.coccoc.com/searchengine |
| 32 | 6 | 0.01 | 3 | 0.02 | +http://cliqz.com/company/cliqzbot |
| 33 | 6 | 0.01 | 3 | 0.02 | +http://www.exabot.com/go/robot |
| 34 | 5 | 0.01 | 3 | 0.02 | +http://sur.ly/bot.html |
| 35 | 4 | 0.01 | 2 | 0.01 | +http://duckduckgo.com |
| 36 | 3 | 0.01 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 37 | 2 | 0.00 | 2 | 0.01 | https://nmap.org/book/nse.html |
| 38 | 2 | 0.00 | 1 | 0.01 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 39 | 2 | 0.00 | 2 | 0.01 | Intel Mac OS X 10.5 |
| 40 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 41 | 2 | 0.00 | 2 | 0.01 | Linux i686 [unknown version] |
| 42 | 2 | 0.00 | 1 | 0.01 | http://www.majestic12.co.uk/bot.php?+ |
| 43 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 44 | 1 | 0.00 | 1 | 0.01 | OpenBSD [unknown version] |
| 45 | 1 | 0.00 | 1 | 0.01 | +http://www.shareaholic.com/bot |
| 46 | 1 | 0.00 | 1 | 0.01 | Android 4.1 |
| 47 | 1 | 0.00 | 1 | 0.01 | +http://glutenfreepleasure.com/ |
| 48 | 1 | 0.00 | 1 | 0.01 | Macintosh |
| 49 | 1 | 0.00 | 1 | 0.01 | Android 2.2.1 |
| 50 | 1 | 0.00 | 0 | 0.00 | Dyatel; +http://yandex.com/bots |
| 51 | 1 | 0.00 | 1 | 0.01 | +http://eripp.com |
| 52 | 1 | 0.00 | 1 | 0.01 | PPC Mac OS X Mach-O |
| 53 | 1 | 0.00 | 0 | 0.00 | Windows Phone OS 7.5 |
