| Used Operating Systems |
| 1 | 16867 | 67.35 | 661 | 30.77 | Windows NT |
| 2 | 3376 | 13.48 | 66 | 3.07 | http://mj12bot.com/ |
| 3 | 1662 | 6.64 | 581 | 27.05 | +http://ahrefs.com/robot/ |
| 4 | 655 | 2.62 | 296 | 13.78 | +http://www.baidu.com/search/spider.html |
| 5 | 629 | 2.51 | 136 | 6.33 | +http://www.linkdex.com/bots/ |
| 6 | 464 | 1.85 | 136 | 6.33 | +http://www.bing.com/bingbot.htm |
| 7 | 341 | 1.36 | 59 | 2.75 | +http://yandex.com/bots |
| 8 | 267 | 1.07 | 82 | 3.82 | +http://www.google.com/bot.html |
| 9 | 195 | 0.78 | 5 | 0.23 | +http://www.semrush.com/bot.html |
| 10 | 86 | 0.34 | 29 | 1.35 | Windows XP |
| 11 | 80 | 0.32 | 5 | 0.23 | +http://OpenLinkProfiler.org/bot |
| 12 | 58 | 0.23 | 5 | 0.23 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 50 | 0.20 | 21 | 0.98 | Windows 95 |
| 14 | 38 | 0.15 | 12 | 0.56 | Windows 98 |
| 15 | 36 | 0.14 | 0 | 0.00 | +http://www.xovibot.net/ |
| 16 | 35 | 0.14 | 6 | 0.28 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 28 | 0.11 | 2 | 0.09 | +http://megaindex.com/crawler |
| 18 | 16 | 0.06 | 6 | 0.28 | Windows 2000 |
| 19 | 16 | 0.06 | 0 | 0.00 | Android |
| 20 | 16 | 0.06 | 4 | 0.19 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 21 | 14 | 0.06 | 0 | 0.00 | +http://help.coccoc.com/searchengine |
| 22 | 12 | 0.05 | 2 | 0.09 | crawler@mixrank.com |
| 23 | 12 | 0.05 | 4 | 0.19 | MSIE 5.5; Windows NT 4.0 |
| 24 | 10 | 0.04 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 25 | 10 | 0.04 | 6 | 0.28 | Windows 3.1 |
| 26 | 10 | 0.04 | 4 | 0.19 | ) - BrowseX (2.0.0 Windows |
| 27 | 9 | 0.04 | 3 | 0.14 | Auto; Windows |
| 28 | 8 | 0.03 | 2 | 0.09 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 29 | 8 | 0.03 | 4 | 0.19 | Windows ME |
| 30 | 8 | 0.03 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 31 | 6 | 0.02 | 0 | 0.00 | +http://cliqz.com/company/cliqzbot |
| 32 | 6 | 0.02 | 2 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 33 | 4 | 0.02 | 2 | 0.09 | http://www.majestic12.co.uk/bot.php?+ |
| 34 | 4 | 0.02 | 2 | 0.09 | +http://www.grapeshot.co.uk/crawler.php |
| 35 | 4 | 0.02 | 2 | 0.09 | +http://duckduckgo.com |
| 36 | 2 | 0.01 | 1 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 37 | 2 | 0.01 | 1 | 0.05 | X11 |
| 38 | 1 | 0.00 | 1 | 0.05 | Intel Mac OS X 10.4 |
