| Used Operating Systems |
| 1 | 24306 | 26.72 | 706 | 4.52 | +http://yandex.com/bots |
| 2 | 18835 | 20.71 | 3 | 0.02 | +http://megaindex.com/crawler |
| 3 | 18483 | 20.32 | 9207 | 58.94 | +http://ahrefs.com/robot/ |
| 4 | 12705 | 13.97 | 87 | 0.56 | http://mj12bot.com/ |
| 5 | 7130 | 7.84 | 2223 | 14.23 | Windows NT |
| 6 | 2275 | 2.50 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 7 | 2015 | 2.22 | 1783 | 11.41 | +http://www.baidu.com/search/spider.html |
| 8 | 1767 | 1.94 | 565 | 3.62 | +http://www.google.com/bot.html |
| 9 | 885 | 0.97 | 236 | 1.51 | +http://www.bing.com/bingbot.htm |
| 10 | 791 | 0.87 | 95 | 0.61 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 368 | 0.40 | 108 | 0.69 | +http://www.linkdex.com/bots/ |
| 12 | 301 | 0.33 | 44 | 0.28 | +http://www.semrush.com/bot.html |
| 13 | 163 | 0.18 | 98 | 0.63 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 124 | 0.14 | 97 | 0.62 | Windows 95 |
| 15 | 103 | 0.11 | 37 | 0.24 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 76 | 0.08 | 1 | 0.01 | Linux [unknown version] |
| 17 | 73 | 0.08 | 24 | 0.15 | Windows XP |
| 18 | 71 | 0.08 | 32 | 0.20 | Windows 3.1 |
| 19 | 70 | 0.08 | 43 | 0.28 | Windows 98 |
| 20 | 59 | 0.06 | 24 | 0.15 | http://www.opensiteexplorer.org/dotbot, ... |
| 21 | 44 | 0.05 | 25 | 0.16 | MSIE 5.5; Windows NT 4.0 |
| 22 | 39 | 0.04 | 21 | 0.13 | +https://deusu.de/robot.html |
| 23 | 34 | 0.04 | 23 | 0.15 | Windows CE |
| 24 | 32 | 0.04 | 19 | 0.12 | Windows ME |
| 25 | 27 | 0.03 | 22 | 0.14 | ) - BrowseX (2.0.0 Windows |
| 26 | 25 | 0.03 | 22 | 0.14 | +http://www.uptime.com/uptimebot |
| 27 | 22 | 0.02 | 14 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 28 | 21 | 0.02 | 15 | 0.10 | Windows 2000 |
| 29 | 21 | 0.02 | 15 | 0.10 | Auto; Windows |
| 30 | 21 | 0.02 | 5 | 0.03 | +http://siteexplorer.info/Backlink-Check... |
| 31 | 18 | 0.02 | 2 | 0.01 | +http://www.seokicks.de/robot.html |
| 32 | 8 | 0.01 | 4 | 0.03 | +http://help.coccoc.com/searchengine |
| 33 | 6 | 0.01 | 3 | 0.02 | +http://duckduckgo.com |
| 34 | 4 | 0.00 | 2 | 0.01 | +http://cliqz.com/company/cliqzbot |
| 35 | 4 | 0.00 | 1 | 0.01 | +http://www.profound.net/domainappender |
| 36 | 4 | 0.00 | 2 | 0.01 | +http://www.exabot.com/go/robot |
| 37 | 3 | 0.00 | 1 | 0.01 | Windows Phone OS 7.5 |
| 38 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 39 | 3 | 0.00 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 40 | 2 | 0.00 | 1 | 0.01 | +http://seocharger.com/robot |
| 41 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 42 | 2 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
| 43 | 2 | 0.00 | 1 | 0.01 | http://www.majestic12.co.uk/bot.php?+ |
| 44 | 2 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 45 | 1 | 0.00 | 1 | 0.01 | https://nmap.org/book/nse.html |
| 46 | 1 | 0.00 | 1 | 0.01 | +http://sur.ly/bot.html |
| 47 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 48 | 1 | 0.00 | 0 | 0.00 | http://femtosearch.com |
| 49 | 1 | 0.00 | 0 | 0.00 | X11 |
| 50 | 1 | 0.00 | 1 | 0.01 | Windows Phone OS 7.0; Trident/3.1; IEMob... |
