| Used Operating Systems |
| 1 | 19671 | 25.43 | 4 | 0.03 | +http://megaindex.com/crawler |
| 2 | 18161 | 23.48 | 9124 | 61.33 | +http://ahrefs.com/robot/ |
| 3 | 14338 | 18.53 | 92 | 0.62 | http://mj12bot.com/ |
| 4 | 6808 | 8.80 | 205 | 1.38 | +http://www.semrush.com/bot.html |
| 5 | 6203 | 8.02 | 2555 | 17.17 | Windows NT |
| 6 | 4020 | 5.20 | 321 | 2.16 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 1950 | 2.52 | 1121 | 7.53 | +http://www.google.com/bot.html |
| 8 | 1670 | 2.16 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 9 | 1006 | 1.30 | 231 | 1.55 | +http://yandex.com/bots |
| 10 | 980 | 1.27 | 327 | 2.20 | +http://www.bing.com/bingbot.htm |
| 11 | 659 | 0.85 | 32 | 0.22 | +http://napoveda.seznam.cz/en/seznambot-... |
| 12 | 393 | 0.51 | 276 | 1.86 | +http://www.baidu.com/search/spider.html |
| 13 | 375 | 0.48 | 118 | 0.79 | +http://www.linkdex.com/bots/ |
| 14 | 193 | 0.25 | 84 | 0.56 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 148 | 0.19 | 69 | 0.46 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 90 | 0.12 | 47 | 0.32 | Windows 98 |
| 17 | 84 | 0.11 | 28 | 0.19 | Windows XP |
| 18 | 75 | 0.10 | 67 | 0.45 | Windows 95 |
| 19 | 73 | 0.09 | 12 | 0.08 | +http://siteexplorer.info/Backlink-Check... |
| 20 | 69 | 0.09 | 3 | 0.02 | +http://alphaseobot.com/bot.html |
| 21 | 61 | 0.08 | 1 | 0.01 | Linux [unknown version] |
| 22 | 49 | 0.06 | 0 | 0.00 | Mail.RU_Bot/Img/2.0; +http://go.mail.ru/... |
| 23 | 46 | 0.06 | 44 | 0.30 | +http://www.uptime.com/uptimebot |
| 24 | 38 | 0.05 | 4 | 0.03 | +http://www.gowikibot.com |
| 25 | 36 | 0.05 | 4 | 0.03 | +http://www.seokicks.de/robot.html |
| 26 | 19 | 0.02 | 2 | 0.01 | X11 |
| 27 | 14 | 0.02 | 14 | 0.09 | Windows 2000 |
| 28 | 14 | 0.02 | 14 | 0.09 | Windows 3.1 |
| 29 | 14 | 0.02 | 0 | 0.00 | Android 2.3.5 |
| 30 | 11 | 0.01 | 11 | 0.07 | Windows ME |
| 31 | 10 | 0.01 | 10 | 0.07 | Windows CE |
| 32 | 10 | 0.01 | 10 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 33 | 9 | 0.01 | 9 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 34 | 8 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 35 | 8 | 0.01 | 4 | 0.03 | +http://www.exabot.com/go/robot |
| 36 | 8 | 0.01 | 4 | 0.03 | +http://help.coccoc.com/searchengine |
| 37 | 7 | 0.01 | 7 | 0.05 | Auto; Windows |
| 38 | 6 | 0.01 | 4 | 0.03 | +http://sur.ly/bot.html |
| 39 | 6 | 0.01 | 6 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 40 | 4 | 0.01 | 0 | 0.00 | https://nmap.org/book/nse.html |
| 41 | 4 | 0.01 | 2 | 0.01 | +http://cliqz.com/company/cliqzbot |
| 42 | 4 | 0.01 | 2 | 0.01 | +http://duckduckgo.com |
| 43 | 3 | 0.00 | 3 | 0.02 | Linux i686 [unknown version] |
| 44 | 2 | 0.00 | 1 | 0.01 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 45 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 46 | 1 | 0.00 | 1 | 0.01 | OpenBSD [unknown version] |
| 47 | 1 | 0.00 | 1 | 0.01 | +http://www.id-search.xyz/bot.html |
| 48 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
