| Used Operating Systems |
| 1 | 22255 | 28.74 | 2292 | 29.80 | Windows NT |
| 2 | 21498 | 27.76 | 965 | 12.55 | +http://ahrefs.com/robot/ |
| 3 | 12596 | 16.27 | 156 | 2.03 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 7368 | 9.51 | 2902 | 37.74 | +http://www.baidu.com/search/spider.html |
| 5 | 4309 | 5.56 | 78 | 1.01 | +http://yandex.com/bots |
| 6 | 3755 | 4.85 | 5 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 7 | 2244 | 2.90 | 772 | 10.04 | +http://www.easou.com/search/spider.html |
| 8 | 1397 | 1.80 | 46 | 0.60 | Windows 98 |
| 9 | 614 | 0.79 | 199 | 2.59 | +http://www.google.com/bot.html |
| 10 | 604 | 0.78 | 141 | 1.83 | +http://www.linkdex.com/about/bots/ |
| 11 | 288 | 0.37 | 8 | 0.10 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 176 | 0.23 | 46 | 0.60 | +http://www.bing.com/bingbot.htm |
| 13 | 100 | 0.13 | 6 | 0.08 | X11 |
| 14 | 52 | 0.07 | 10 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 15 | 42 | 0.05 | 21 | 0.27 | help@moz.com |
| 16 | 28 | 0.04 | 0 | 0.00 | OS/2 |
| 17 | 26 | 0.03 | 3 | 0.04 | Android 2.3.5 |
| 18 | 20 | 0.03 | 12 | 0.16 | Windows 95 |
| 19 | 15 | 0.02 | 0 | 0.00 | Linux i686 [unknown version] |
| 20 | 14 | 0.02 | 7 | 0.09 | http://crawler.sistrix.net/ |
| 21 | 5 | 0.01 | 5 | 0.07 | Windows ME |
| 22 | 4 | 0.01 | 4 | 0.05 | Auto; Windows |
| 23 | 4 | 0.01 | 0 | 0.00 | Solaris 9.x |
| 24 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 25 | 4 | 0.01 | 0 | 0.00 | America Online Browser 1.1; rev1.5; Wind... |
| 26 | 4 | 0.01 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 27 | 3 | 0.00 | 3 | 0.04 | Windows 2000 |
| 28 | 3 | 0.00 | 0 | 0.00 | Linux [unknown version] |
| 29 | 2 | 0.00 | 2 | 0.03 | Windows CE |
| 30 | 2 | 0.00 | 2 | 0.03 | Windows XP |
| 31 | 2 | 0.00 | 2 | 0.03 | +info@netcraft.com |
| 32 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 33 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.5 |
| 34 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
