| Used Operating Systems |
| 1 | 18751 | 59.25 | 665 | 8.65 | +http://yandex.com/bots |
| 2 | 7626 | 24.10 | 5126 | 66.70 | +http://www.baidu.com/search/spider.html |
| 3 | 1994 | 6.30 | 542 | 7.05 | Windows NT |
| 4 | 1726 | 5.45 | 850 | 11.06 | +http://www.google.com/bot.html |
| 5 | 302 | 0.95 | 27 | 0.35 | +http://napoveda.seznam.cz/en/seznambot-... |
| 6 | 248 | 0.78 | 66 | 0.86 | +http://www.bing.com/bingbot.htm |
| 7 | 147 | 0.46 | 133 | 1.73 | +http://www.uptime.com/uptimebot |
| 8 | 118 | 0.37 | 54 | 0.70 | http://mj12bot.com/ |
| 9 | 68 | 0.21 | 5 | 0.07 | +http://help.coccoc.com/searchengine |
| 10 | 63 | 0.20 | 20 | 0.26 | Windows XP |
| 11 | 61 | 0.19 | 27 | 0.35 | +http://ahrefs.com/robot/ |
| 12 | 56 | 0.18 | 24 | 0.31 | +http://duckduckgo.com |
| 13 | 52 | 0.16 | 27 | 0.35 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 36 | 0.11 | 4 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 15 | 35 | 0.11 | 15 | 0.20 | Windows 95 |
| 16 | 28 | 0.09 | 4 | 0.05 | +spider@seoscanners.net |
| 17 | 27 | 0.09 | 3 | 0.04 | +http://siteexplorer.info/Backlink-Check... |
| 18 | 27 | 0.09 | 3 | 0.04 | +http://www.seokicks.de/robot.html |
| 19 | 27 | 0.09 | 8 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 20 | 24 | 0.08 | 13 | 0.17 | +http://www.exabot.com/go/robot |
| 21 | 22 | 0.07 | 2 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 22 | 22 | 0.07 | 10 | 0.13 | http://www.botje.com/plukkie.htm |
| 23 | 22 | 0.07 | 12 | 0.16 | Windows 98 |
| 24 | 20 | 0.06 | 2 | 0.03 | +http://www.warebay.com/bot.html |
| 25 | 20 | 0.06 | 2 | 0.03 | +https://www.aihitdata.com/about |
| 26 | 18 | 0.06 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 27 | 16 | 0.05 | 2 | 0.03 | crawler@mixrank.com |
| 28 | 12 | 0.04 | 6 | 0.08 | +https://deusu.de/robot.html |
| 29 | 11 | 0.03 | 4 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 30 | 8 | 0.03 | 4 | 0.05 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 31 | 7 | 0.02 | 2 | 0.03 | Windows ME |
| 32 | 6 | 0.02 | 2 | 0.03 | Windows 3.1 |
| 33 | 6 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 34 | 4 | 0.01 | 2 | 0.03 | http://www.opensiteexplorer.org/dotbot, ... |
| 35 | 4 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 36 | 4 | 0.01 | 2 | 0.03 | +http://www.linkdex.com/bots/ |
| 37 | 4 | 0.01 | 2 | 0.03 | +http://cliqz.com/company/cliqzbot |
| 38 | 4 | 0.01 | 3 | 0.04 | +info@netcraft.com |
| 39 | 3 | 0.01 | 1 | 0.01 | Auto; Windows |
| 40 | 3 | 0.01 | 1 | 0.01 | +http://naver.me/bot |
| 41 | 2 | 0.01 | 2 | 0.03 | Windows CE |
| 42 | 2 | 0.01 | 1 | 0.01 | Windows 2000 |
| 43 | 2 | 0.01 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 44 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 45 | 2 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 46 | 2 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 47 | 1 | 0.00 | 1 | 0.01 | +http://glutenfreepleasure.com/ |
| 48 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 49 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
