| Used Operating Systems |
| 1 | 16600 | 30.05 | 8375 | 62.45 | +http://ahrefs.com/robot/ |
| 2 | 16558 | 29.98 | 309 | 2.30 | +http://www.semrush.com/bot.html |
| 3 | 7350 | 13.31 | 2545 | 18.98 | Windows NT |
| 4 | 4940 | 8.94 | 48 | 0.36 | http://mj12bot.com/ |
| 5 | 3012 | 5.45 | 347 | 2.59 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 1541 | 2.79 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 7 | 1328 | 2.40 | 287 | 2.14 | +http://yandex.com/bots |
| 8 | 919 | 1.66 | 410 | 3.06 | +http://www.bing.com/bingbot.htm |
| 9 | 826 | 1.50 | 72 | 0.54 | +http://napoveda.seznam.cz/en/seznambot-... |
| 10 | 545 | 0.99 | 313 | 2.33 | +http://www.google.com/bot.html |
| 11 | 473 | 0.86 | 339 | 2.53 | +http://www.baidu.com/search/spider.html |
| 12 | 375 | 0.68 | 113 | 0.84 | +http://www.linkdex.com/bots/ |
| 13 | 141 | 0.26 | 28 | 0.21 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 97 | 0.18 | 50 | 0.37 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 69 | 0.12 | 3 | 0.02 | +http://alphaseobot.com/bot.html |
| 16 | 60 | 0.11 | 8 | 0.06 | +http://siteexplorer.info/Backlink-Check... |
| 17 | 57 | 0.10 | 42 | 0.31 | Windows 95 |
| 18 | 39 | 0.07 | 13 | 0.10 | Windows XP |
| 19 | 36 | 0.07 | 4 | 0.03 | +http://www.seokicks.de/robot.html |
| 20 | 30 | 0.05 | 0 | 0.00 | Mail.RU_Bot/Img/2.0; +http://go.mail.ru/... |
| 21 | 26 | 0.05 | 1 | 0.01 | X11 |
| 22 | 25 | 0.05 | 17 | 0.13 | Windows 98 |
| 23 | 24 | 0.04 | 0 | 0.00 | Android 2.3.5 |
| 24 | 22 | 0.04 | 2 | 0.01 | +http://inbyapp.com |
| 25 | 17 | 0.03 | 9 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 26 | 12 | 0.02 | 7 | 0.05 | Auto; Windows |
| 27 | 12 | 0.02 | 1 | 0.01 | +http://www.gowikibot.com |
| 28 | 11 | 0.02 | 9 | 0.07 | Windows 3.1 |
| 29 | 10 | 0.02 | 6 | 0.04 | Windows CE |
| 30 | 10 | 0.02 | 5 | 0.04 | +http://cliqz.com/company/cliqzbot |
| 31 | 9 | 0.02 | 7 | 0.05 | Windows 2000 |
| 32 | 8 | 0.01 | 6 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 33 | 8 | 0.01 | 4 | 0.03 | +http://help.coccoc.com/searchengine |
| 34 | 6 | 0.01 | 3 | 0.02 | https://nmap.org/book/nse.html |
| 35 | 6 | 0.01 | 4 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 36 | 5 | 0.01 | 1 | 0.01 | +https://blog.vebidoo.de/vebidoobot/ |
| 37 | 4 | 0.01 | 2 | 0.01 | +http://sur.ly/bot.html |
| 38 | 4 | 0.01 | 4 | 0.03 | Windows ME |
| 39 | 4 | 0.01 | 2 | 0.01 | +http://duckduckgo.com |
| 40 | 3 | 0.01 | 3 | 0.02 | +http://www.uptime.com/uptimebot |
| 41 | 2 | 0.00 | 1 | 0.01 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 42 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 43 | 2 | 0.00 | 2 | 0.01 | Linux i686 [unknown version] |
| 44 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 45 | 2 | 0.00 | 1 | 0.01 | +http://www.exabot.com/go/robot |
| 46 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 47 | 1 | 0.00 | 1 | 0.01 | Windows Phone OS 7.5 |
| 48 | 1 | 0.00 | 1 | 0.01 | +http://www.id-search.xyz/bot.html |
| 49 | 1 | 0.00 | 1 | 0.01 | Macintosh |
