| Used Operating Systems |
| 1 | 21034 | 37.07 | 627 | 17.98 | +http://yandex.com/bots |
| 2 | 18520 | 32.64 | 194 | 5.56 | http://mj12bot.com/ |
| 3 | 6665 | 11.75 | 415 | 11.90 | Windows NT |
| 4 | 2913 | 5.13 | 668 | 19.15 | +http://www.baidu.com/search/spider.html |
| 5 | 1762 | 3.11 | 403 | 11.55 | +http://www.google.com/bot.html |
| 6 | 1426 | 2.51 | 463 | 13.27 | +http://ahrefs.com/robot/ |
| 7 | 1302 | 2.29 | 160 | 4.59 | +http://www.bing.com/bingbot.htm |
| 8 | 629 | 1.11 | 133 | 3.81 | +http://napoveda.seznam.cz/en/seznambot-... |
| 9 | 598 | 1.05 | 8 | 0.23 | +http://siteexplorer.info/Backlink-Check... |
| 10 | 279 | 0.49 | 4 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 11 | 273 | 0.48 | 190 | 5.45 | +http://www.linkdex.com/bots/ |
| 12 | 236 | 0.42 | 82 | 2.35 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 234 | 0.41 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 14 | 128 | 0.23 | 14 | 0.40 | +https://www.mojeek.com/bot.html |
| 15 | 110 | 0.19 | 2 | 0.06 | +http://www.linkpad.ru |
| 16 | 107 | 0.19 | 7 | 0.20 | +http://www.uptime.com/uptimebot |
| 17 | 105 | 0.19 | 12 | 0.34 | +http://help.coccoc.com/searchengine |
| 18 | 98 | 0.17 | 1 | 0.03 | +http://megaindex.com/crawler |
| 19 | 25 | 0.04 | 3 | 0.09 | +http://www.seokicks.de/robot.html |
| 20 | 24 | 0.04 | 7 | 0.20 | Windows 95 |
| 21 | 23 | 0.04 | 9 | 0.26 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 22 | 22 | 0.04 | 4 | 0.11 | +http://corp.sputnik.ru/webmaster |
| 23 | 22 | 0.04 | 6 | 0.17 | +http://www.exabot.com/go/robot |
| 24 | 21 | 0.04 | 2 | 0.06 | +http://www.semrush.com/bot.html |
| 25 | 18 | 0.03 | 2 | 0.06 | http://linkfluence.net/; bot@linkfluence... |
| 26 | 18 | 0.03 | 1 | 0.03 | Windows 98 |
| 27 | 14 | 0.02 | 6 | 0.17 | mailto: techinfo@ubermetrics-technologie... |
| 28 | 13 | 0.02 | 11 | 0.32 | support@everyonesocial.com http://everyo... |
| 29 | 12 | 0.02 | 10 | 0.29 | http://support.paper.li/entries/20023257... |
| 30 | 12 | 0.02 | 1 | 0.03 | Windows 3.1 |
| 31 | 12 | 0.02 | 12 | 0.34 | +http://www.xovibot.net/ |
| 32 | 11 | 0.02 | 1 | 0.03 | crawler@mixrank.com |
| 33 | 8 | 0.01 | 2 | 0.06 | Windows ME |
| 34 | 8 | 0.01 | 2 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 35 | 6 | 0.01 | 0 | 0.00 | Windows XP |
| 36 | 6 | 0.01 | 6 | 0.17 | +http://www.profound.net/domainappender |
| 37 | 5 | 0.01 | 2 | 0.06 | +info@netcraft.com |
| 38 | 4 | 0.01 | 2 | 0.06 | Windows 2000 |
| 39 | 4 | 0.01 | 3 | 0.09 | Windows CE |
| 40 | 4 | 0.01 | 0 | 0.00 | http://nmap.org/book/nse.html |
| 41 | 4 | 0.01 | 2 | 0.06 | http://www.botje.com/plukkie.htm |
| 42 | 4 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 43 | 3 | 0.01 | 3 | 0.09 | twingly.com |
| 44 | 3 | 0.01 | 1 | 0.03 | +http://www.proximic.com/info/spider.php |
| 45 | 3 | 0.01 | 1 | 0.03 | Linux [unknown version] |
| 46 | 2 | 0.00 | 1 | 0.03 | SunOS i86pc |
| 47 | 2 | 0.00 | 2 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 48 | 1 | 0.00 | 1 | 0.03 | +http://www.google.com/bot.html,Yahoo! S... |
| 49 | 1 | 0.00 | 0 | 0.00 | X11 |
| 50 | 1 | 0.00 | 1 | 0.03 | Linux i586 [unknown version] |
| 51 | 1 | 0.00 | 1 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
