| Used Operating Systems |
| 1 | 15914 | 39.96 | 561 | 12.65 | +http://yandex.com/bots |
| 2 | 11782 | 29.59 | 148 | 3.34 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 4028 | 10.11 | 2762 | 62.29 | +http://www.baidu.com/search/spider.html |
| 4 | 2903 | 7.29 | 27 | 0.61 | http://mj12bot.com/ |
| 5 | 1144 | 2.87 | 204 | 4.60 | Windows NT |
| 6 | 992 | 2.49 | 2 | 0.05 | +http://www.semrush.com/bot.html |
| 7 | 671 | 1.68 | 209 | 4.71 | +http://www.bing.com/bingbot.htm |
| 8 | 667 | 1.67 | 190 | 4.29 | +http://www.google.com/bot.html |
| 9 | 570 | 1.43 | 157 | 3.54 | +http://www.linkdex.com/bots/ |
| 10 | 303 | 0.76 | 1 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 177 | 0.44 | 34 | 0.77 | +http://help.naver.com/support/robots.ht... |
| 12 | 114 | 0.29 | 1 | 0.02 | +http://ahrefs.com/robot/ |
| 13 | 106 | 0.27 | 8 | 0.18 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 69 | 0.17 | 23 | 0.52 | +http://www.profound.net/domainappender |
| 15 | 68 | 0.17 | 2 | 0.05 | J2ME/MIDP |
| 16 | 57 | 0.14 | 41 | 0.92 | +http://www.uptime.com/uptimebot |
| 17 | 54 | 0.14 | 6 | 0.14 | +http://www.seokicks.de/robot.html |
| 18 | 54 | 0.14 | 2 | 0.05 | +http://napoveda.seznam.cz/en/seznambot-... |
| 19 | 35 | 0.09 | 12 | 0.27 | +http://www.exabot.com/go/robot |
| 20 | 18 | 0.05 | 0 | 0.00 | +https://www.mojeek.com/bot.html |
| 21 | 18 | 0.05 | 6 | 0.14 | +http://webmeup-crawler.com/ |
| 22 | 16 | 0.04 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 23 | 10 | 0.03 | 2 | 0.05 | +http://webmeup.com/crawler.html |
| 24 | 6 | 0.02 | 5 | 0.11 | Windows 98 |
| 25 | 5 | 0.01 | 5 | 0.11 | Windows XP |
| 26 | 4 | 0.01 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 27 | 4 | 0.01 | 1 | 0.02 | +https://www.dataprovider.com/ |
| 28 | 4 | 0.01 | 2 | 0.05 | +http://duckduckgo.com |
| 29 | 3 | 0.01 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 30 | 2 | 0.01 | 1 | 0.02 | support.orangebot@orange.com |
| 31 | 2 | 0.01 | 2 | 0.05 | Windows 2000 |
| 32 | 2 | 0.01 | 2 | 0.05 | Windows CE |
| 33 | 2 | 0.01 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 34 | 2 | 0.01 | 1 | 0.02 | +https://deusu.de/robot.html |
| 35 | 2 | 0.01 | 2 | 0.05 | Linux [unknown version] |
| 36 | 2 | 0.01 | 2 | 0.05 | Windows 95 |
| 37 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 38 | 2 | 0.01 | 2 | 0.05 | +http://megaindex.com/crawler |
| 39 | 2 | 0.01 | 2 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 40 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 41 | 2 | 0.01 | 1 | 0.02 | +http://siteexplorer.info/ |
| 42 | 1 | 0.00 | 1 | 0.02 | Windows 3.1 |
| 43 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 44 | 1 | 0.00 | 1 | 0.02 | X11 |
