| Used Operating Systems |
| 1 | 16409 | 27.77 | 7637 | 56.68 | +http://www.baidu.com/search/spider.html |
| 2 | 12849 | 21.74 | 4522 | 33.56 | Windows NT |
| 3 | 7888 | 13.35 | 21 | 0.16 | +http://OpenLinkProfiler.org/bot |
| 4 | 7202 | 12.19 | 174 | 1.29 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 4346 | 7.35 | 123 | 0.91 | +http://yandex.com/bots |
| 6 | 2743 | 4.64 | 2 | 0.01 | +http://www.seokicks.de/robot.html |
| 7 | 2023 | 3.42 | 292 | 2.17 | +http://www.google.com/bot.html |
| 8 | 2002 | 3.39 | 2 | 0.01 | http://crawler.sistrix.net/ |
| 9 | 1143 | 1.93 | 242 | 1.80 | help@moz.com |
| 10 | 582 | 0.98 | 9 | 0.07 | Windows 98 |
| 11 | 443 | 0.75 | 105 | 0.78 | +http://www.easou.com/search/spider.html |
| 12 | 395 | 0.67 | 185 | 1.37 | +http://www.bing.com/bingbot.htm |
| 13 | 271 | 0.46 | 15 | 0.11 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 153 | 0.26 | 51 | 0.38 | +http://www.linkdex.com/about/bots/ |
| 15 | 142 | 0.24 | 5 | 0.04 | +http://fulltext.sblog.cz/ |
| 16 | 104 | 0.18 | 1 | 0.01 | +http://www.linkpad.ru |
| 17 | 65 | 0.11 | 9 | 0.07 | X11 |
| 18 | 62 | 0.10 | 11 | 0.08 | +http://filterdb.iss.net/crawler/ |
| 19 | 56 | 0.09 | 10 | 0.07 | J2ME/MIDP |
| 20 | 40 | 0.07 | 7 | 0.05 | Android |
| 21 | 36 | 0.06 | 3 | 0.02 | Android 2.3.5 |
| 22 | 22 | 0.04 | 5 | 0.04 | +http://www.exabot.com/go/robot |
| 23 | 18 | 0.03 | 1 | 0.01 | Linux [unknown version] |
| 24 | 18 | 0.03 | 9 | 0.07 | +http://www.career-x.de/bot.html |
| 25 | 12 | 0.02 | 1 | 0.01 | Series 60 |
| 26 | 8 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 27 | 8 | 0.01 | 1 | 0.01 | +http://fulltext.sblog.cz/screenshot/ |
| 28 | 7 | 0.01 | 4 | 0.03 | http://help.yahoo.com/help/us/ysearch/sl... |
| 29 | 7 | 0.01 | 7 | 0.05 | Windows 95 |
| 30 | 6 | 0.01 | 0 | 0.00 | Win32 |
| 31 | 6 | 0.01 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 32 | 5 | 0.01 | 5 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 33 | 4 | 0.01 | 4 | 0.03 | Windows 2000 |
| 34 | 4 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 35 | 2 | 0.00 | 2 | 0.01 | Windows ME |
| 36 | 2 | 0.00 | 1 | 0.01 | crawler@unister.de |
| 37 | 2 | 0.00 | 1 | 0.01 | +http://help.coccoc.com/ |
| 38 | 2 | 0.00 | 1 | 0.01 | Windows 3.1 |
| 39 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 40 | 2 | 0.00 | 2 | 0.01 | Intel Mac OS X 10.6 |
| 41 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 42 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 43 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows 95 |
| 44 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 45 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
