| Used Operating Systems |
| 1 | 1014 | 19.93 | 106 | 11.84 | Windows NT |
| 2 | 991 | 19.48 | 81 | 9.05 | +http://www.google.com/bot.html |
| 3 | 550 | 10.81 | 151 | 16.87 | +http://www.bing.com/bingbot.htm |
| 4 | 501 | 9.85 | 82 | 9.16 | http://mj12bot.com/ |
| 5 | 452 | 8.89 | 111 | 12.40 | +http://yandex.com/bots |
| 6 | 356 | 7.00 | 133 | 14.86 | +http://www.baidu.com/search/spider.html |
| 7 | 215 | 4.23 | 17 | 1.90 | +http://www.semrush.com/bot.html |
| 8 | 166 | 3.26 | 25 | 2.79 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 131 | 2.58 | 8 | 0.89 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 107 | 2.10 | 11 | 1.23 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 93 | 1.83 | 29 | 3.24 | +http://duckduckgo.com |
| 12 | 82 | 1.61 | 37 | 4.13 | +http://ahrefs.com/robot/ |
| 13 | 58 | 1.14 | 34 | 3.80 | +http://www.uptime.com/uptimebot |
| 14 | 46 | 0.90 | 7 | 0.78 | +http://help.coccoc.com/searchengine |
| 15 | 45 | 0.88 | 10 | 1.12 | +http://sur.ly/bot.html |
| 16 | 36 | 0.71 | 0 | 0.00 | +http://cliqz.com/company/cliqzbot |
| 17 | 20 | 0.39 | 0 | 0.00 | +http://www.linkdex.com/bots/ |
| 18 | 20 | 0.39 | 4 | 0.45 | +http://OpenLinkProfiler.org/bot |
| 19 | 18 | 0.35 | 5 | 0.56 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 20 | 16 | 0.31 | 5 | 0.56 | Linux i686 [unknown version] |
| 21 | 15 | 0.29 | 5 | 0.56 | +http://www.seokicks.de/robot.html |
| 22 | 14 | 0.28 | 5 | 0.56 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 23 | 14 | 0.28 | 4 | 0.45 | +info@netcraft.com |
| 24 | 12 | 0.24 | 0 | 0.00 | Win32 |
| 25 | 12 | 0.24 | 5 | 0.56 | +http://glutenfreepleasure.com/ |
| 26 | 12 | 0.24 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 27 | 12 | 0.24 | 2 | 0.22 | +http://megaindex.com/crawler |
| 28 | 10 | 0.20 | 5 | 0.56 | +http://www.exabot.com/go/robot |
| 29 | 9 | 0.18 | 3 | 0.34 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 30 | 9 | 0.18 | 3 | 0.34 | +http://alphaseobot.com/bot.html |
| 31 | 8 | 0.16 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 32 | 7 | 0.14 | 1 | 0.11 | https://deepcrawl.com/bot |
| 33 | 7 | 0.14 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 34 | 6 | 0.12 | 0 | 0.00 | https://nmap.org/book/nse.html |
| 35 | 6 | 0.12 | 2 | 0.22 | Linux [unknown version] |
| 36 | 6 | 0.12 | 2 | 0.22 | +http://prlog.ru/ |
| 37 | 4 | 0.08 | 0 | 0.00 | Android |
| 38 | 3 | 0.06 | 1 | 0.11 | +https://github.com/AliasIO/Wappalyzer |
| 39 | 2 | 0.04 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 40 | 1 | 0.02 | 1 | 0.11 | X11 |
| 41 | 1 | 0.02 | 0 | 0.00 | Windows 98 |
