| Used Operating Systems |
| 1 | 9685 | 24.92 | 1544 | 11.84 | Windows NT |
| 2 | 7876 | 20.26 | 6472 | 49.61 | +http://ahrefs.com/robot/ |
| 3 | 6603 | 16.99 | 54 | 0.41 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 4811 | 12.38 | 3883 | 29.76 | +http://www.baidu.com/search/spider.html |
| 5 | 4456 | 11.46 | 9 | 0.07 | Windows XP |
| 6 | 2669 | 6.87 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 7 | 528 | 1.36 | 241 | 1.85 | +http://www.google.com/bot.html |
| 8 | 388 | 1.00 | 165 | 1.26 | +http://www.bing.com/bingbot.htm |
| 9 | 374 | 0.96 | 111 | 0.85 | +http://www.linkdex.com/bots/ |
| 10 | 348 | 0.90 | 187 | 1.43 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 250 | 0.64 | 1 | 0.01 | Linux [unknown version] |
| 12 | 210 | 0.54 | 99 | 0.76 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 138 | 0.36 | 46 | 0.35 | +http://yandex.com/bots |
| 14 | 131 | 0.34 | 120 | 0.92 | +http://www.xovibot.net/ |
| 15 | 109 | 0.28 | 27 | 0.21 | +http://www.semrush.com/bot.html |
| 16 | 75 | 0.19 | 30 | 0.23 | +http://www.exabot.com/go/robot |
| 17 | 40 | 0.10 | 5 | 0.04 | Windows 95 |
| 18 | 17 | 0.04 | 2 | 0.02 | Windows 98 |
| 19 | 16 | 0.04 | 15 | 0.11 | +http://www.uptime.com/uptimebot |
| 20 | 16 | 0.04 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 21 | 15 | 0.04 | 4 | 0.03 | +http://www.findxbot.com |
| 22 | 14 | 0.04 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 23 | 14 | 0.04 | 2 | 0.02 | http://filterdb.iss.net/crawler/ |
| 24 | 13 | 0.03 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 25 | 11 | 0.03 | 7 | 0.05 | X11 |
| 26 | 8 | 0.02 | 1 | 0.01 | crawler@mixrank.com |
| 27 | 8 | 0.02 | 1 | 0.01 | Windows 2000 |
| 28 | 8 | 0.02 | 1 | 0.01 | Windows CE |
| 29 | 8 | 0.02 | 1 | 0.01 | +http://glutenfreepleasure.com/ |
| 30 | 8 | 0.02 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 31 | 8 | 0.02 | 1 | 0.01 | Windows ME |
| 32 | 3 | 0.01 | 1 | 0.01 | +http://sur.ly/bot.html |
| 33 | 3 | 0.01 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 34 | 3 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 35 | 2 | 0.01 | 1 | 0.01 | +http://fulltext.sblog.cz/ |
| 36 | 2 | 0.01 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 37 | 1 | 0.00 | 1 | 0.01 | Android 2.3.5 |
| 38 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
