| Used Operating Systems by Visits |
| 1 | 12032 | 22.62 | 5591 | 42.12 | +http://www.baidu.com/search/spider.html |
| 2 | 16521 | 31.07 | 5343 | 40.25 | Windows NT |
| 3 | 2611 | 4.91 | 907 | 6.83 | +http://www.easou.com/search/spider.html |
| 4 | 2805 | 5.27 | 472 | 3.56 | +http://www.google.com/bot.html |
| 5 | 1166 | 2.19 | 216 | 1.63 | help@moz.com |
| 6 | 447 | 0.84 | 195 | 1.47 | +http://www.bing.com/bingbot.htm |
| 7 | 12969 | 24.39 | 193 | 1.45 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 2575 | 4.84 | 107 | 0.81 | +http://yandex.com/bots |
| 9 | 255 | 0.48 | 84 | 0.63 | +http://www.linkdex.com/about/bots/ |
| 10 | 1073 | 2.02 | 28 | 0.21 | Windows 98 |
| 11 | 88 | 0.17 | 18 | 0.14 | X11 |
| 12 | 215 | 0.40 | 14 | 0.11 | +http://fulltext.sblog.cz/ |
| 13 | 24 | 0.05 | 12 | 0.09 | +http://filterdb.iss.net/crawler/ |
| 14 | 26 | 0.05 | 11 | 0.08 | Android |
| 15 | 20 | 0.04 | 10 | 0.08 | +http://www.career-x.de/bot.html |
| 16 | 35 | 0.07 | 10 | 0.08 | MSIE 5.5; Windows 95 |
| 17 | 47 | 0.09 | 9 | 0.07 | Android 2.3.5 |
| 18 | 8 | 0.02 | 7 | 0.05 | Windows 95 |
| 19 | 38 | 0.07 | 7 | 0.05 | +http://www.exabot.com/go/robot |
| 20 | 12 | 0.02 | 6 | 0.05 | J2ME/MIDP |
| 21 | 4 | 0.01 | 4 | 0.03 | Windows 2000 |
| 22 | 2 | 0.00 | 2 | 0.02 | Windows CE |
| 23 | 118 | 0.22 | 2 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 24 | 2 | 0.00 | 2 | 0.02 | Auto; Windows |
| 25 | 10 | 0.02 | 2 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 26 | 4 | 0.01 | 2 | 0.02 | http://crawler.sistrix.net/ |
| 27 | 4 | 0.01 | 2 | 0.02 | +http://help.coccoc.com/ |
| 28 | 2 | 0.00 | 2 | 0.02 | Windows 3.1 |
| 29 | 2 | 0.00 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 30 | 4 | 0.01 | 1 | 0.01 | Series 60 |
| 31 | 2 | 0.00 | 1 | 0.01 | iPhone |
| 32 | 2 | 0.00 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 33 | 1 | 0.00 | 1 | 0.01 | Windows XP |
| 34 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 35 | 3 | 0.01 | 1 | 0.01 | Linux i686 [unknown version] |
| 36 | 3 | 0.01 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 37 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 38 | 2 | 0.00 | 1 | 0.01 | +http://nlp.fi.muni.cz/projects/biwec/ |
| 39 | 4 | 0.01 | 1 | 0.01 | MAUI Runtime |
| 40 | 1 | 0.00 | 1 | 0.01 | +http://www.parsijoo.ir/; ehsan.mousakaz... |
| 41 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 42 | 2 | 0.00 | 1 | 0.01 | +http://siteexplorer.info/ |
| 43 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 44 | 3 | 0.01 | 0 | 0.00 | Win32 |
| 45 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 46 | 4 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 47 | 5 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 48 | 1 | 0.00 | 0 | 0.00 | Android 2.3.6 |
| 49 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 50 | 20 | 0.04 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
