| Used Operating Systems |
| 1 | 32570 | 74.08 | 363 | 8.28 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4320 | 9.83 | 795 | 18.14 | +http://www.google.com/bot.html |
| 3 | 2593 | 5.90 | 2148 | 49.02 | +http://www.baidu.com/search/spider.html |
| 4 | 1190 | 2.71 | 311 | 7.10 | +http://www.bing.com/bingbot.htm |
| 5 | 1022 | 2.32 | 228 | 5.20 | Windows NT |
| 6 | 780 | 1.77 | 204 | 4.66 | +http://yandex.com/bots |
| 7 | 411 | 0.93 | 75 | 1.71 | +http://www.linkdex.com/bots/ |
| 8 | 251 | 0.57 | 47 | 1.07 | +http://napoveda.seznam.cz/en/seznambot-... |
| 9 | 186 | 0.42 | 6 | 0.14 | +http://megaindex.com/crawler |
| 10 | 126 | 0.29 | 45 | 1.03 | +http://www.semrush.com/bot.html |
| 11 | 84 | 0.19 | 54 | 1.23 | +http://ahrefs.com/robot/ |
| 12 | 80 | 0.18 | 2 | 0.05 | +http://www.linkpad.ru |
| 13 | 52 | 0.12 | 13 | 0.30 | +http://www.profound.net/domainappender |
| 14 | 40 | 0.09 | 6 | 0.14 | +http://OpenLinkProfiler.org/bot |
| 15 | 36 | 0.08 | 4 | 0.09 | +http://www.seokicks.de/robot.html |
| 16 | 30 | 0.07 | 12 | 0.27 | +http://help.coccoc.com/searchengine |
| 17 | 26 | 0.06 | 7 | 0.16 | +http://www.exabot.com/go/robot |
| 18 | 24 | 0.05 | 2 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 24 | 0.05 | 2 | 0.05 | +https://www.dataprovider.com/ |
| 20 | 16 | 0.04 | 7 | 0.16 | http://help.yahoo.com/help/us/ysearch/sl... |
| 21 | 12 | 0.03 | 2 | 0.05 | X11 |
| 22 | 12 | 0.03 | 6 | 0.14 | +http://duckduckgo.com |
| 23 | 11 | 0.03 | 10 | 0.23 | Windows XP |
| 24 | 10 | 0.02 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 25 | 8 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 26 | 8 | 0.02 | 4 | 0.09 | +http://siteexplorer.info/ |
| 27 | 6 | 0.01 | 4 | 0.09 | +https://gimmeusa.com/crawler.html |
| 28 | 6 | 0.01 | 2 | 0.05 | Windows 95 |
| 29 | 4 | 0.01 | 4 | 0.09 | +http://glutenfreepleasure.com/ |
| 30 | 4 | 0.01 | 2 | 0.05 | Windows 3.1 |
| 31 | 4 | 0.01 | 2 | 0.05 | +http://www.uptime.com/uptimebot |
| 32 | 4 | 0.01 | 2 | 0.05 | +http://www.apple.com/go/applebot |
| 33 | 3 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 34 | 3 | 0.01 | 3 | 0.07 | Windows 98 |
| 35 | 2 | 0.00 | 2 | 0.05 | +https://raventools.com/seo-website-audi... |
| 36 | 2 | 0.00 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 37 | 2 | 0.00 | 2 | 0.05 | Linux i686 [unknown version] |
| 38 | 2 | 0.00 | 1 | 0.02 | +spider@seoscanners.net |
| 39 | 2 | 0.00 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 40 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
