| Used Operating Systems |
| 1 | 35113 | 36.38 | 19711 | 43.36 | +http://www.baidu.com/search/spider.html |
| 2 | 25540 | 26.46 | 21250 | 46.74 | +http://ahrefs.com/robot/ |
| 3 | 12717 | 13.17 | 152 | 0.33 | +http://www.semrush.com/bot.html |
| 4 | 5637 | 5.84 | 239 | 0.53 | http://mj12bot.com/ |
| 5 | 4838 | 5.01 | 1464 | 3.22 | +http://www.google.com/bot.html |
| 6 | 4614 | 4.78 | 5 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 7 | 1950 | 2.02 | 890 | 1.96 | +http://www.bing.com/bingbot.htm |
| 8 | 1813 | 1.88 | 784 | 1.72 | Windows NT |
| 9 | 1705 | 1.77 | 448 | 0.99 | +http://www.linkdex.com/bots/ |
| 10 | 1130 | 1.17 | 59 | 0.13 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 807 | 0.84 | 161 | 0.35 | +http://yandex.com/bots |
| 12 | 290 | 0.30 | 141 | 0.31 | +http://napoveda.seznam.cz/en/seznambot-... |
| 13 | 58 | 0.06 | 33 | 0.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 57 | 0.06 | 19 | 0.04 | Windows XP |
| 15 | 42 | 0.04 | 19 | 0.04 | +http://cliqz.com/company/cliqzbot |
| 16 | 38 | 0.04 | 16 | 0.04 | Windows 95 |
| 17 | 28 | 0.03 | 4 | 0.01 | +http://help.coccoc.com/searchengine |
| 18 | 21 | 0.02 | 3 | 0.01 | http://filterdb.iss.net/crawler/ |
| 19 | 20 | 0.02 | 10 | 0.02 | Windows 98 |
| 20 | 15 | 0.02 | 14 | 0.03 | +http://www.uptime.com/uptimebot |
| 21 | 12 | 0.01 | 3 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 22 | 10 | 0.01 | 5 | 0.01 | +http://duckduckgo.com |
| 23 | 9 | 0.01 | 4 | 0.01 | Windows CE |
| 24 | 9 | 0.01 | 3 | 0.01 | Auto; Windows |
| 25 | 8 | 0.01 | 4 | 0.01 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 26 | 8 | 0.01 | 3 | 0.01 | +https://www.mojeek.com/bot.html |
| 27 | 6 | 0.01 | 1 | 0.00 | +info@netcraft.com |
| 28 | 5 | 0.01 | 2 | 0.00 | Windows 2000 |
| 29 | 5 | 0.01 | 5 | 0.01 | +http://alphaseobot.com/bot.html |
| 30 | 4 | 0.00 | 3 | 0.01 | Linux i686 [unknown version] |
| 31 | 4 | 0.00 | 2 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 32 | 3 | 0.00 | 0 | 0.00 | https://nmap.org/book/nse.html |
| 33 | 3 | 0.00 | 3 | 0.01 | +http://glutenfreepleasure.com/ |
| 34 | 2 | 0.00 | 1 | 0.00 | Linux [unknown version] |
| 35 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 36 | 2 | 0.00 | 1 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 37 | 1 | 0.00 | 1 | 0.00 | WinHttp.WinHttpRequest.5 |
| 38 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 39 | 1 | 0.00 | 1 | 0.00 | X11 |
