| Used Operating Systems |
| 1 | 35671 | 32.27 | 7688 | 51.69 | +http://ahrefs.com/robot/ |
| 2 | 33261 | 30.09 | 1 | 0.01 | +http://megaindex.com/crawler |
| 3 | 9654 | 8.73 | 768 | 5.16 | +http://www.bing.com/bingbot.htm |
| 4 | 9131 | 8.26 | 795 | 5.35 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 6046 | 5.47 | 142 | 0.95 | http://mj12bot.com/ |
| 6 | 5284 | 4.78 | 2110 | 14.19 | Windows NT |
| 7 | 3210 | 2.90 | 173 | 1.16 | +http://yandex.com/bots |
| 8 | 2285 | 2.07 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 9 | 1589 | 1.44 | 778 | 5.23 | +http://www.google.com/bot.html |
| 10 | 1442 | 1.30 | 1316 | 8.85 | +http://www.baidu.com/search/spider.html |
| 11 | 834 | 0.75 | 199 | 1.34 | +http://www.linkdex.com/bots/ |
| 12 | 483 | 0.44 | 275 | 1.85 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 283 | 0.26 | 43 | 0.29 | +http://napoveda.seznam.cz/en/seznambot-... |
| 14 | 255 | 0.23 | 68 | 0.46 | +http://www.semrush.com/bot.html |
| 15 | 103 | 0.09 | 74 | 0.50 | Windows 95 |
| 16 | 84 | 0.08 | 32 | 0.22 | Windows XP |
| 17 | 82 | 0.07 | 79 | 0.53 | +http://www.uptime.com/uptimebot |
| 18 | 78 | 0.07 | 1 | 0.01 | Linux i686 [unknown version] |
| 19 | 72 | 0.07 | 60 | 0.40 | +http://megogoserial.ru |
| 20 | 71 | 0.06 | 4 | 0.03 | +http://naver.me/bot |
| 21 | 70 | 0.06 | 44 | 0.30 | Windows 98 |
| 22 | 53 | 0.05 | 5 | 0.03 | +centurybot9@gmail.com |
| 23 | 51 | 0.05 | 19 | 0.13 | +http://cliqz.com/company/cliqzbot |
| 24 | 46 | 0.04 | 2 | 0.01 | +https://blog.vebidoo.de/vebidoobot/ |
| 25 | 44 | 0.04 | 22 | 0.15 | +http://duckduckgo.com |
| 26 | 38 | 0.03 | 32 | 0.22 | +http://tiod.ru |
| 27 | 37 | 0.03 | 16 | 0.11 | +http://www.exabot.com/go/robot |
| 28 | 24 | 0.02 | 1 | 0.01 | Android |
| 29 | 24 | 0.02 | 6 | 0.04 | +http://www.pinterest.com/bot.html |
| 30 | 24 | 0.02 | 4 | 0.03 | +http://help.coccoc.com/searchengine |
| 31 | 23 | 0.02 | 12 | 0.08 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 32 | 20 | 0.02 | 10 | 0.07 | +https://www.mojeek.com/bot.html |
| 33 | 19 | 0.02 | 12 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 34 | 18 | 0.02 | 2 | 0.01 | +http://www.seokicks.de/robot.html |
| 35 | 18 | 0.02 | 0 | 0.00 | AOL 9.7; AOLBuild 4343.19; Windows NT 6.... |
| 36 | 16 | 0.01 | 9 | 0.06 | Auto; Windows |
| 37 | 15 | 0.01 | 13 | 0.09 | ) - BrowseX (2.0.0 Windows |
| 38 | 14 | 0.01 | 11 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 39 | 14 | 0.01 | 2 | 0.01 | http://filterdb.iss.net/crawler/ |
| 40 | 12 | 0.01 | 12 | 0.08 | Windows 2000 |
| 41 | 12 | 0.01 | 7 | 0.05 | Windows 3.1 |
| 42 | 11 | 0.01 | 9 | 0.06 | Windows CE |
| 43 | 8 | 0.01 | 8 | 0.05 | Windows ME |
| 44 | 6 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 45 | 4 | 0.00 | 2 | 0.01 | +http://sur.ly/bot.html |
| 46 | 3 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 47 | 2 | 0.00 | 0 | 0.00 | +http://www.tineye.com/crawler.html |
| 48 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 49 | 1 | 0.00 | 1 | 0.01 | https://nmap.org/book/nse.html |
| 50 | 1 | 0.00 | 1 | 0.01 | i686 |
| 51 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 52 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
