| Used Operating Systems by Visits |
| 1 | 38694 | 45.36 | 8064 | 52.38 | +http://ahrefs.com/robot/ |
| 2 | 7385 | 8.66 | 2215 | 14.39 | Windows NT |
| 3 | 1592 | 1.87 | 1438 | 9.34 | +http://www.baidu.com/search/spider.html |
| 4 | 9560 | 11.21 | 994 | 6.46 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 9933 | 11.64 | 749 | 4.86 | +http://www.bing.com/bingbot.htm |
| 6 | 920 | 1.08 | 545 | 3.54 | +http://www.google.com/bot.html |
| 7 | 724 | 0.85 | 432 | 2.81 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 819 | 0.96 | 185 | 1.20 | +http://www.linkdex.com/bots/ |
| 9 | 4040 | 4.74 | 162 | 1.05 | +http://yandex.com/bots |
| 10 | 7546 | 8.85 | 145 | 0.94 | http://mj12bot.com/ |
| 11 | 305 | 0.36 | 72 | 0.47 | +http://www.semrush.com/bot.html |
| 12 | 97 | 0.11 | 64 | 0.42 | Windows 95 |
| 13 | 526 | 0.62 | 48 | 0.31 | +http://napoveda.seznam.cz/en/seznambot-... |
| 14 | 84 | 0.10 | 41 | 0.27 | +http://duckduckgo.com |
| 15 | 72 | 0.08 | 30 | 0.19 | +http://cliqz.com/company/cliqzbot |
| 16 | 59 | 0.07 | 28 | 0.18 | Windows 98 |
| 17 | 70 | 0.08 | 24 | 0.16 | Windows XP |
| 18 | 18 | 0.02 | 14 | 0.09 | Windows 2000 |
| 19 | 15 | 0.02 | 13 | 0.08 | Windows CE |
| 20 | 127 | 0.15 | 13 | 0.08 | +http://naver.me/bot |
| 21 | 13 | 0.02 | 12 | 0.08 | Windows 3.1 |
| 22 | 14 | 0.02 | 12 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 23 | 15 | 0.02 | 11 | 0.07 | Auto; Windows |
| 24 | 12 | 0.01 | 11 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 25 | 20 | 0.02 | 10 | 0.06 | +http://www.pinterest.com/bot.html |
| 26 | 15 | 0.02 | 8 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 27 | 54 | 0.06 | 6 | 0.04 | +http://www.seokicks.de/robot.html |
| 28 | 16 | 0.02 | 6 | 0.04 | +http://www.exabot.com/go/robot |
| 29 | 29 | 0.03 | 5 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 30 | 9 | 0.01 | 5 | 0.03 | Windows ME |
| 31 | 6 | 0.01 | 4 | 0.03 | +http://sur.ly/bot.html |
| 32 | 8 | 0.01 | 4 | 0.03 | +https://www.mojeek.com/bot.html |
| 33 | 22 | 0.03 | 4 | 0.03 | +http://help.coccoc.com/searchengine |
| 34 | 2287 | 2.68 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 35 | 7 | 0.01 | 3 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 36 | 2 | 0.00 | 2 | 0.01 | https://nmap.org/book/nse.html |
| 37 | 4 | 0.00 | 2 | 0.01 | Linux i686 [unknown version] |
| 38 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 39 | 14 | 0.02 | 2 | 0.01 | http://filterdb.iss.net/crawler/ |
| 40 | 3 | 0.00 | 2 | 0.01 | X11 |
| 41 | 12 | 0.01 | 1 | 0.01 | crawler@mixrank.com |
| 42 | 2 | 0.00 | 1 | 0.01 | OSF1 V4.0 alpha |
| 43 | 33 | 0.04 | 1 | 0.01 | Android |
| 44 | 23 | 0.03 | 1 | 0.01 | +https://blog.vebidoo.de/vebidoobot/ |
| 45 | 1 | 0.00 | 1 | 0.01 | +http://megaindex.com/crawler |
| 46 | 4 | 0.00 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 47 | 2 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 48 | 14 | 0.02 | 0 | 0.00 | +http://www.tineye.com/crawler.html |
| 49 | 72 | 0.08 | 0 | 0.00 | Mail.RU_Bot/Img/2.0; +http://go.mail.ru/... |
| 50 | 1 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 51 | 8 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
