| Used Operating Systems |
| 1 | 38555 | 63.24 | 4161 | 55.33 | Windows NT |
| 2 | 5569 | 9.13 | 1227 | 16.32 | +http://www.bing.com/bingbot.htm |
| 3 | 3265 | 5.36 | 22 | 0.29 | http://help.zum.com/inquiry |
| 4 | 3040 | 4.99 | 682 | 9.07 | +http://www.google.com/bot.html |
| 5 | 2944 | 4.83 | 3 | 0.04 | crawler@goodzer.com |
| 6 | 2048 | 3.36 | 648 | 8.62 | +http://www.baidu.com/search/spider.html |
| 7 | 1476 | 2.42 | 69 | 0.92 | +http://yandex.com/bots |
| 8 | 1403 | 2.30 | 299 | 3.98 | ezooms.bot@gmail.com |
| 9 | 839 | 1.38 | 6 | 0.08 | http://crawler.sistrix.net/ |
| 10 | 187 | 0.31 | 90 | 1.20 | Windows 95 |
| 11 | 181 | 0.30 | 30 | 0.40 | Windows 98 |
| 12 | 161 | 0.26 | 46 | 0.61 | http://www.majestic12.co.uk/bot.php?+ |
| 13 | 136 | 0.22 | 2 | 0.03 | PPC Mac OS X 10.4 |
| 14 | 106 | 0.17 | 19 | 0.25 | +http://www.semrush.com/bot.html |
| 15 | 102 | 0.17 | 2 | 0.03 | Android |
| 16 | 99 | 0.16 | 21 | 0.28 | Windows XP |
| 17 | 87 | 0.14 | 3 | 0.04 | Windows 92 |
| 18 | 67 | 0.11 | 1 | 0.01 | Android 4.0.4 |
| 19 | 67 | 0.11 | 7 | 0.09 | X11 |
| 20 | 60 | 0.10 | 4 | 0.05 | +http://siteexplorer.info/ |
| 21 | 56 | 0.09 | 1 | 0.01 | +http://www.aihit.com/ |
| 22 | 52 | 0.09 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 23 | 47 | 0.08 | 6 | 0.08 | Android 2.3.5 |
| 24 | 38 | 0.06 | 15 | 0.20 | Windows 3.1 |
| 25 | 37 | 0.06 | 20 | 0.27 | +http://www.exabot.com/go/robot |
| 26 | 35 | 0.06 | 6 | 0.08 | Linux [unknown version] |
| 27 | 33 | 0.05 | 19 | 0.25 | MSIE 5.5; Windows NT 4.0 |
| 28 | 32 | 0.05 | 7 | 0.09 | +http://filterdb.iss.net/crawler/ |
| 29 | 24 | 0.04 | 2 | 0.03 | +http://endb-consolidated.aihit.com/ |
| 30 | 19 | 0.03 | 15 | 0.20 | Auto; Windows |
| 31 | 19 | 0.03 | 14 | 0.19 | Windows ME |
| 32 | 17 | 0.03 | 11 | 0.15 | Windows CE |
| 33 | 16 | 0.03 | 10 | 0.13 | Windows 2000 |
| 34 | 16 | 0.03 | 6 | 0.08 | +http://www.proximic.com/info/spider.php |
| 35 | 13 | 0.02 | 10 | 0.13 | ) - BrowseX (2.0.0 Windows |
| 36 | 12 | 0.02 | 10 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 37 | 12 | 0.02 | 0 | 0.00 | America Online Browser 1.1; rev1.5; Wind... |
| 38 | 11 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 39 | 9 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 40 | 8 | 0.01 | 4 | 0.05 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 41 | 8 | 0.01 | 7 | 0.09 | +info@netcraft.com |
| 42 | 7 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 43 | 6 | 0.01 | 2 | 0.03 | +http://www.netseer.com/crawler.html; cr... |
| 44 | 6 | 0.01 | 3 | 0.04 | +http://www.seoprofiler.com/bot |
| 45 | 6 | 0.01 | 0 | 0.00 | America Online Browser 1.1; rev1.1; Wind... |
| 46 | 6 | 0.01 | 2 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 47 | 5 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 48 | 5 | 0.01 | 3 | 0.04 | J2ME/MIDP |
| 49 | 4 | 0.01 | 2 | 0.03 | +http://prlog.ru/ |
| 50 | 3 | 0.00 | 0 | 0.00 | Solaris 9.x |
| 51 | 3 | 0.00 | 0 | 0.00 | i686 Linux; 20020515 |
| 52 | 3 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
| 53 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 54 | 2 | 0.00 | 1 | 0.01 | +http://fulltext.sblog.cz/ |
| 55 | 2 | 0.00 | 0 | 0.00 | Linux i586 [unknown version] |
| 56 | 1 | 0.00 | 1 | 0.01 | iPhone |
