| Used Operating Systems |
| 1 | 3086 | 39.71 | 1901 | 47.01 | +http://www.baidu.com/search/spider.html |
| 2 | 1871 | 24.07 | 1290 | 31.90 | Windows NT |
| 3 | 903 | 11.62 | 373 | 9.22 | +http://www.bing.com/bingbot.htm |
| 4 | 664 | 8.54 | 208 | 5.14 | +http://www.google.com/bot.html |
| 5 | 544 | 7.00 | 33 | 0.82 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 90 | 1.16 | 36 | 0.89 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 80 | 1.03 | 11 | 0.27 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 72 | 0.93 | 8 | 0.20 | +http://fulltext.sblog.cz/ |
| 9 | 69 | 0.89 | 69 | 1.71 | +http://monasterytea.spbdyet.ru |
| 10 | 67 | 0.86 | 15 | 0.37 | +http://ahrefs.com/robot/ |
| 11 | 51 | 0.66 | 3 | 0.07 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 38 | 0.49 | 14 | 0.35 | +http://www.exabot.com/go/robot |
| 13 | 36 | 0.46 | 12 | 0.30 | +http://yandex.com/bots |
| 14 | 30 | 0.39 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 15 | 28 | 0.36 | 28 | 0.69 | +http://warifort.moykrest.ru |
| 16 | 24 | 0.31 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 17 | 19 | 0.24 | 4 | 0.10 | +http://www.xovibot.net/ |
| 18 | 16 | 0.21 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 19 | 14 | 0.18 | 7 | 0.17 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 12 | 0.15 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 21 | 11 | 0.14 | 8 | 0.20 | http://www.bing.com/bingbot.htm |
| 22 | 10 | 0.13 | 0 | 0.00 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 23 | 6 | 0.08 | 2 | 0.05 | Windows 2000 |
| 24 | 6 | 0.08 | 4 | 0.10 | Windows 95 |
| 25 | 5 | 0.06 | 1 | 0.02 | Windows 98 |
| 26 | 5 | 0.06 | 5 | 0.12 | +http://domainsigma.com/robot |
| 27 | 4 | 0.05 | 2 | 0.05 | Windows 3.1 |
| 28 | 2 | 0.03 | 2 | 0.05 | http://nmap.org/book/nse.html |
| 29 | 2 | 0.03 | 1 | 0.02 | +https://www.mojeek.com/bot.html |
| 30 | 2 | 0.03 | 1 | 0.02 | Windows XP |
| 31 | 2 | 0.03 | 1 | 0.02 | +info@netcraft.com |
| 32 | 2 | 0.03 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 33 | 1 | 0.01 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
