| Used Operating Systems |
| 1 | 22385 | 43.80 | 171 | 1.72 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7677 | 15.02 | 189 | 1.90 | +http://ahrefs.com/robot/ |
| 3 | 4970 | 9.72 | 590 | 5.92 | +http://www.bing.com/bingbot.htm |
| 4 | 4799 | 9.39 | 3897 | 39.09 | Windows NT |
| 5 | 4762 | 9.32 | 3448 | 34.59 | +http://www.baidu.com/search/spider.html |
| 6 | 1498 | 2.93 | 22 | 0.22 | +http://OpenLinkProfiler.org/bot |
| 7 | 1434 | 2.81 | 637 | 6.39 | +http://www.xovibot.net/ |
| 8 | 1295 | 2.53 | 568 | 5.70 | +http://www.google.com/bot.html |
| 9 | 729 | 1.43 | 188 | 1.89 | +http://www.linkdex.com/bots/ |
| 10 | 512 | 1.00 | 5 | 0.05 | +http://www.warebay.com/bot.html |
| 11 | 409 | 0.80 | 115 | 1.15 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 201 | 0.39 | 1 | 0.01 | +http://megaindex.com/crawler |
| 13 | 188 | 0.37 | 48 | 0.48 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 74 | 0.14 | 14 | 0.14 | +http://yandex.com/bots |
| 15 | 45 | 0.09 | 14 | 0.14 | +http://www.exabot.com/go/robot |
| 16 | 40 | 0.08 | 2 | 0.02 | Linux [unknown version] |
| 17 | 15 | 0.03 | 14 | 0.14 | +info@netcraft.com |
| 18 | 13 | 0.03 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 19 | 10 | 0.02 | 5 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 9 | 0.02 | 9 | 0.09 | actually this is http://ismyblogworking.... |
| 21 | 8 | 0.02 | 8 | 0.08 | +http://monasterytea.spbdyet.ru |
| 22 | 7 | 0.01 | 7 | 0.07 | Windows 95 |
| 23 | 7 | 0.01 | 1 | 0.01 | Windows 98 |
| 24 | 5 | 0.01 | 5 | 0.05 | +http://domainsigma.com/robot |
| 25 | 3 | 0.01 | 3 | 0.03 | Windows CE |
| 26 | 3 | 0.01 | 3 | 0.03 | +http://warifort.moykrest.ru/ |
| 27 | 2 | 0.00 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 28 | 2 | 0.00 | 1 | 0.01 | +http://duckduckgo.com |
| 29 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 30 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 31 | 1 | 0.00 | 0 | 0.00 | Windows XP |
| 32 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 33 | 1 | 0.00 | 0 | 0.00 | X11 |
