| Used Operating Systems by Visits |
| 1 | 11752 | 33.24 | 4737 | 43.60 | Windows NT |
| 2 | 6066 | 17.16 | 4218 | 38.83 | +http://www.baidu.com/search/spider.html |
| 3 | 1969 | 5.57 | 794 | 7.31 | +http://www.easou.com/search/spider.html |
| 4 | 539 | 1.52 | 216 | 1.99 | +http://www.bing.com/bingbot.htm |
| 5 | 7157 | 20.24 | 200 | 1.84 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 1771 | 5.01 | 135 | 1.24 | +http://www.google.com/bot.html |
| 7 | 3371 | 9.54 | 131 | 1.21 | +http://yandex.com/bots |
| 8 | 736 | 2.08 | 130 | 1.20 | help@moz.com |
| 9 | 510 | 1.44 | 110 | 1.01 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 95 | 0.27 | 37 | 0.34 | +http://www.linkdex.com/bots/ |
| 11 | 98 | 0.28 | 30 | 0.28 | +http://www.linkdex.com/about/bots/ |
| 12 | 55 | 0.16 | 14 | 0.13 | X11 |
| 13 | 338 | 0.96 | 11 | 0.10 | Windows 98 |
| 14 | 39 | 0.11 | 11 | 0.10 | +http://fulltext.sblog.cz/ |
| 15 | 637 | 1.80 | 10 | 0.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 10 | 0.03 | 10 | 0.09 | Linux i686 [unknown version] |
| 17 | 18 | 0.05 | 9 | 0.08 | +http://www.career-x.de/bot.html |
| 18 | 20 | 0.06 | 6 | 0.06 | Android |
| 19 | 10 | 0.03 | 5 | 0.05 | +http://help.coccoc.com/ |
| 20 | 22 | 0.06 | 5 | 0.05 | +http://www.exabot.com/go/robot |
| 21 | 9 | 0.03 | 4 | 0.04 | J2ME/MIDP |
| 22 | 26 | 0.07 | 4 | 0.04 | Android 2.3.5 |
| 23 | 4 | 0.01 | 4 | 0.04 | +http://www.parsijoo.ir/; ehsan.mousakaz... |
| 24 | 7 | 0.02 | 3 | 0.03 | http://help.yahoo.com/help/us/ysearch/sl... |
| 25 | 7 | 0.02 | 3 | 0.03 | http://crawler.sistrix.net/ |
| 26 | 9 | 0.03 | 3 | 0.03 | Linux [unknown version] |
| 27 | 7 | 0.02 | 3 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 28 | 4 | 0.01 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 29 | 4 | 0.01 | 1 | 0.01 | http://www.lipperhey.com/ |
| 30 | 2 | 0.01 | 1 | 0.01 | Series 60 |
| 31 | 2 | 0.01 | 1 | 0.01 | Macintosh PPC |
| 32 | 4 | 0.01 | 1 | 0.01 | +http://www.proximic.com/info/spider.php |
| 33 | 1 | 0.00 | 1 | 0.01 | +http://user-agent-string.info/UASlinkCh... |
| 34 | 2 | 0.01 | 1 | 0.01 | +http://support.embed.ly/ |
| 35 | 1 | 0.00 | 1 | 0.01 | TVMate; Linux 2.2 |
| 36 | 1 | 0.00 | 1 | 0.01 | +http://www.infohelfer.de/crawler.php |
| 37 | 2 | 0.01 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 38 | 1 | 0.00 | 1 | 0.01 | Windows 95 |
| 39 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
| 40 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 41 | 3 | 0.01 | 1 | 0.01 | +http://bixolabs.com/crawler/general; cr... |
| 42 | 1 | 0.00 | 1 | 0.01 | http://www.sitecondor.com |
| 43 | 1 | 0.00 | 1 | 0.01 | +http://begun.ru/begun/technology/indexe... |
| 44 | 1 | 0.00 | 1 | 0.01 | http://nlp.fi.muni.cz/projects/biwec/ |
| 45 | 1 | 0.00 | 1 | 0.01 | Windows 9x |
| 46 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 47 | 2 | 0.01 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 48 | 3 | 0.01 | 0 | 0.00 | Win32 |
| 49 | 2 | 0.01 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 50 | 2 | 0.01 | 0 | 0.00 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 51 | 1 | 0.00 | 0 | 0.00 | +http://about.depspid.net |
| 52 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 53 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 54 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 55 | 20 | 0.06 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 56 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
