| Used Operating Systems |
| 1 | 25820 | 39.12 | 166 | 1.24 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 10771 | 16.32 | 5932 | 44.45 | +http://ahrefs.com/robot/ |
| 3 | 9547 | 14.46 | 1502 | 11.26 | Windows NT |
| 4 | 6796 | 10.30 | 4379 | 32.82 | +http://www.baidu.com/search/spider.html |
| 5 | 6543 | 9.91 | 1 | 0.01 | +http://megaindex.com/crawler |
| 6 | 1393 | 2.11 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 7 | 1295 | 1.96 | 248 | 1.86 | +http://www.bing.com/bingbot.htm |
| 8 | 818 | 1.24 | 217 | 1.63 | +http://www.linkdex.com/bots/ |
| 9 | 746 | 1.13 | 298 | 2.23 | +http://www.google.com/bot.html |
| 10 | 646 | 0.98 | 161 | 1.21 | +http://yandex.com/bots |
| 11 | 505 | 0.77 | 3 | 0.02 | Linux i686 [unknown version] |
| 12 | 421 | 0.64 | 106 | 0.79 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 251 | 0.38 | 214 | 1.60 | +http://www.xovibot.net/ |
| 14 | 111 | 0.17 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 15 | 91 | 0.14 | 33 | 0.25 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 53 | 0.08 | 17 | 0.13 | +http://www.exabot.com/go/robot |
| 17 | 27 | 0.04 | 1 | 0.01 | +http://sur.ly/bot.html |
| 18 | 27 | 0.04 | 3 | 0.02 | +http://www.semrush.com/bot.html |
| 19 | 26 | 0.04 | 2 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 20 | 23 | 0.03 | 20 | 0.15 | +http://www.uptime.com/uptimebot |
| 21 | 22 | 0.03 | 4 | 0.03 | Windows 98 |
| 22 | 20 | 0.03 | 5 | 0.04 | Windows 95 |
| 23 | 10 | 0.02 | 2 | 0.01 | Windows 3.1 |
| 24 | 10 | 0.02 | 10 | 0.07 | actually this is http://ismyblogworking.... |
| 25 | 9 | 0.01 | 8 | 0.06 | +info@netcraft.com |
| 26 | 5 | 0.01 | 1 | 0.01 | J2ME/MIDP |
| 27 | 4 | 0.01 | 1 | 0.01 | Windows ME |
| 28 | 3 | 0.00 | 0 | 0.00 | X11 |
| 29 | 2 | 0.00 | 1 | 0.01 | Windows CE |
| 30 | 2 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 31 | 2 | 0.00 | 0 | 0.00 | Windows XP |
| 32 | 2 | 0.00 | 1 | 0.01 | +http://duckduckgo.com |
| 33 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 34 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 35 | 1 | 0.00 | 1 | 0.01 | Android 2.3.5 |
