| Used Operating Systems |
| 1 | 22019 | 32.25 | 7 | 0.06 | +http://megaindex.com/crawler |
| 2 | 14793 | 21.67 | 7526 | 63.83 | +http://ahrefs.com/robot/ |
| 3 | 10878 | 15.93 | 106 | 0.90 | +http://www.semrush.com/bot.html |
| 4 | 5507 | 8.07 | 84 | 0.71 | http://mj12bot.com/ |
| 5 | 4863 | 7.12 | 1742 | 14.78 | Windows NT |
| 6 | 2104 | 3.08 | 217 | 1.84 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 1890 | 2.77 | 413 | 3.50 | +http://www.bing.com/bingbot.htm |
| 8 | 1365 | 2.00 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 9 | 1220 | 1.79 | 677 | 5.74 | +http://www.google.com/bot.html |
| 10 | 1176 | 1.72 | 91 | 0.77 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 965 | 1.41 | 259 | 2.20 | +http://yandex.com/bots |
| 12 | 406 | 0.59 | 261 | 2.21 | +http://www.baidu.com/search/spider.html |
| 13 | 341 | 0.50 | 95 | 0.81 | +http://www.linkdex.com/bots/ |
| 14 | 128 | 0.19 | 37 | 0.31 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 90 | 0.13 | 53 | 0.45 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 83 | 0.12 | 4 | 0.03 | +http://alphaseobot.com/bot.html |
| 17 | 69 | 0.10 | 48 | 0.41 | Windows 95 |
| 18 | 65 | 0.10 | 35 | 0.30 | Windows 98 |
| 19 | 60 | 0.09 | 22 | 0.19 | Windows XP |
| 20 | 36 | 0.05 | 4 | 0.03 | +http://www.seokicks.de/robot.html |
| 21 | 29 | 0.04 | 17 | 0.14 | +https://deusu.de/robot.html |
| 22 | 26 | 0.04 | 12 | 0.10 | +http://duckduckgo.com |
| 23 | 19 | 0.03 | 0 | 0.00 | X11 |
| 24 | 17 | 0.02 | 10 | 0.08 | Windows 3.1 |
| 25 | 13 | 0.02 | 11 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 26 | 12 | 0.02 | 6 | 0.05 | +http://cliqz.com/company/cliqzbot |
| 27 | 12 | 0.02 | 9 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 28 | 10 | 0.01 | 7 | 0.06 | Auto; Windows |
| 29 | 9 | 0.01 | 6 | 0.05 | Windows ME |
| 30 | 7 | 0.01 | 3 | 0.03 | Windows CE |
| 31 | 7 | 0.01 | 1 | 0.01 | +http://siteexplorer.info/Backlink-Check... |
| 32 | 7 | 0.01 | 1 | 0.01 | http://filterdb.iss.net/crawler/ |
| 33 | 6 | 0.01 | 3 | 0.03 | http://yooz.ir; info@yooz.ir |
| 34 | 6 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 35 | 5 | 0.01 | 5 | 0.04 | Windows 2000 |
| 36 | 5 | 0.01 | 5 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 37 | 5 | 0.01 | 0 | 0.00 | +https://extlinks.com/Bot.html |
| 38 | 4 | 0.01 | 2 | 0.02 | +http://sur.ly/bot.html |
| 39 | 3 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 40 | 2 | 0.00 | 0 | 0.00 | Mail.RU_Bot/Img/2.0; +http://go.mail.ru/... |
| 41 | 2 | 0.00 | 2 | 0.02 | Intel Mac OS X 10.5 |
| 42 | 2 | 0.00 | 2 | 0.02 | Macintosh |
| 43 | 2 | 0.00 | 2 | 0.02 | +http://www.uptime.com/uptimebot |
| 44 | 2 | 0.00 | 2 | 0.02 | Linux i686 [unknown version] |
