| Used Operating Systems |
| 1 | 17103 | 27.58 | 8526 | 57.67 | +http://ahrefs.com/robot/ |
| 2 | 13830 | 22.30 | 2345 | 15.86 | Windows NT |
| 3 | 9805 | 15.81 | 388 | 2.62 | +http://yandex.com/bots |
| 4 | 9597 | 15.47 | 1 | 0.01 | +http://megaindex.com/crawler |
| 5 | 2906 | 4.69 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 6 | 2069 | 3.34 | 64 | 0.43 | http://mj12bot.com/ |
| 7 | 2013 | 3.25 | 1817 | 12.29 | +http://www.baidu.com/search/spider.html |
| 8 | 1172 | 1.89 | 204 | 1.38 | +http://www.bing.com/bingbot.htm |
| 9 | 1099 | 1.77 | 442 | 2.99 | +http://www.google.com/bot.html |
| 10 | 422 | 0.68 | 56 | 0.38 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 351 | 0.57 | 112 | 0.76 | +http://www.linkdex.com/bots/ |
| 12 | 350 | 0.56 | 1 | 0.01 | +http://www.semrush.com/bot.html |
| 13 | 250 | 0.40 | 215 | 1.45 | Windows 95 |
| 14 | 178 | 0.29 | 78 | 0.53 | Windows 98 |
| 15 | 100 | 0.16 | 35 | 0.24 | Windows XP |
| 16 | 98 | 0.16 | 40 | 0.27 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 83 | 0.13 | 3 | 0.02 | Mail.RU_Bot/Img/2.0; +http://go.mail.ru/... |
| 18 | 75 | 0.12 | 39 | 0.26 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 71 | 0.11 | 63 | 0.43 | +http://www.uptime.com/uptimebot |
| 20 | 50 | 0.08 | 40 | 0.27 | Auto; Windows |
| 21 | 48 | 0.08 | 42 | 0.28 | ) - BrowseX (2.0.0 Windows |
| 22 | 47 | 0.08 | 41 | 0.28 | Windows 2000 |
| 23 | 43 | 0.07 | 38 | 0.26 | Windows ME |
| 24 | 42 | 0.07 | 37 | 0.25 | MSIE 5.5; Windows NT 4.0 |
| 25 | 40 | 0.06 | 40 | 0.27 | Windows CE |
| 26 | 40 | 0.06 | 37 | 0.25 | Windows 3.1 |
| 27 | 36 | 0.06 | 33 | 0.22 | MSIE 5.5; Windows NT 5.0 |
| 28 | 20 | 0.03 | 8 | 0.05 | +https://deusu.de/robot.html |
| 29 | 16 | 0.03 | 2 | 0.01 | +http://www.seokicks.de/robot.html |
| 30 | 10 | 0.02 | 5 | 0.03 | +http://cliqz.com/company/cliqzbot |
| 31 | 10 | 0.02 | 5 | 0.03 | +http://www.exabot.com/go/robot |
| 32 | 8 | 0.01 | 4 | 0.03 | +http://help.coccoc.com/searchengine |
| 33 | 6 | 0.01 | 4 | 0.03 | +http://sur.ly/bot.html |
| 34 | 6 | 0.01 | 4 | 0.03 | http://www.majestic12.co.uk/bot.php?+ |
| 35 | 5 | 0.01 | 1 | 0.01 | +https://blog.vebidoo.de/vebidoobot/ |
| 36 | 4 | 0.01 | 3 | 0.02 | UrlCrawler; http://www.seomoz.org/dp/rog... |
| 37 | 4 | 0.01 | 2 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 38 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 39 | 2 | 0.00 | 2 | 0.01 | Intel Mac OS X 10.4 |
| 40 | 2 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 41 | 2 | 0.00 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 42 | 1 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 43 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
