| Used Operating Systems |
| 1 | 7158 | 35.66 | 1727 | 25.75 | Windows NT |
| 2 | 3019 | 15.04 | 2716 | 40.50 | +http://www.baidu.com/search/spider.html |
| 3 | 2890 | 14.40 | 675 | 10.06 | +http://www.bing.com/bingbot.htm |
| 4 | 2277 | 11.34 | 360 | 5.37 | ezooms.bot@gmail.com |
| 5 | 1131 | 5.63 | 476 | 7.10 | +http://www.google.com/bot.html |
| 6 | 1004 | 5.00 | 4 | 0.06 | +http://www.seoprofiler.com/bot |
| 7 | 719 | 3.58 | 183 | 2.73 | +http://yandex.com/bots |
| 8 | 661 | 3.29 | 253 | 3.77 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 196 | 0.98 | 17 | 0.25 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 115 | 0.57 | 37 | 0.55 | +http://www.exabot.com/go/robot |
| 11 | 100 | 0.50 | 50 | 0.75 | +http://help.coccoc.com/ |
| 12 | 94 | 0.47 | 5 | 0.07 | +http://siteexplorer.info/ |
| 13 | 60 | 0.30 | 28 | 0.42 | +http://www.career-x.de/bot.html |
| 14 | 57 | 0.28 | 16 | 0.24 | +http://www.yunyun.com/spider.html |
| 15 | 48 | 0.24 | 6 | 0.09 | +http://www.profound.net/urlappendbot.ht... |
| 16 | 48 | 0.24 | 18 | 0.27 | Windows 95 |
| 17 | 45 | 0.22 | 19 | 0.28 | +http://fulltext.sblog.cz/ |
| 18 | 40 | 0.20 | 4 | 0.06 | http://www.searchmetrics.com/en/searchme... |
| 19 | 27 | 0.13 | 9 | 0.13 | Windows 98 |
| 20 | 26 | 0.13 | 11 | 0.16 | +http://www.linkdex.com/about/bots/ |
| 21 | 23 | 0.11 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 22 | 22 | 0.11 | 11 | 0.16 | +http://www.easou.com/search/spider.html |
| 23 | 21 | 0.10 | 3 | 0.04 | Android |
| 24 | 18 | 0.09 | 4 | 0.06 | Windows ME |
| 25 | 18 | 0.09 | 6 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 26 | 16 | 0.08 | 0 | 0.00 | Windows 9. |
| 27 | 16 | 0.08 | 1 | 0.01 | +http://www.solomono.ru |
| 28 | 14 | 0.07 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 29 | 12 | 0.06 | 0 | 0.00 | Macintosh PPC |
| 30 | 12 | 0.06 | 6 | 0.09 | http://crawler.sistrix.net/ |
| 31 | 10 | 0.05 | 2 | 0.03 | Windows CE |
| 32 | 10 | 0.05 | 2 | 0.03 | Intel Mac OS X 10.6 |
| 33 | 9 | 0.04 | 3 | 0.04 | Windows 3.1 |
| 34 | 9 | 0.04 | 3 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 35 | 8 | 0.04 | 2 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 36 | 8 | 0.04 | 4 | 0.06 | http://help.zum.com/inquiry |
| 37 | 8 | 0.04 | 4 | 0.06 | http://www.botje.com/plukkie.htm |
| 38 | 8 | 0.04 | 2 | 0.03 | Linux i686 [unknown version] |
| 39 | 8 | 0.04 | 2 | 0.03 | +http://spider.socialbm.net |
| 40 | 8 | 0.04 | 4 | 0.06 | +http://botw.org |
| 41 | 8 | 0.04 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 42 | 7 | 0.03 | 0 | 0.00 | Linux 2.4.x |
| 43 | 6 | 0.03 | 0 | 0.00 | Solaris 9.x |
| 44 | 6 | 0.03 | 6 | 0.09 | Linux [unknown version] |
| 45 | 6 | 0.03 | 0 | 0.00 | i686 Linux; 20020515 |
| 46 | 6 | 0.03 | 2 | 0.03 | Windows XP |
| 47 | 6 | 0.03 | 3 | 0.04 | ScoutJet; +http://blekko.com/about/blekk... |
| 48 | 5 | 0.02 | 3 | 0.04 | +http://newsle.com |
| 49 | 5 | 0.02 | 0 | 0.00 | +http://images.weserv.nl/ |
| 50 | 4 | 0.02 | 1 | 0.01 | PPC Mac OS X 10.4 |
| 51 | 4 | 0.02 | 0 | 0.00 | Win32 |
| 52 | 4 | 0.02 | 2 | 0.03 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 53 | 4 | 0.02 | 2 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 54 | 3 | 0.01 | 3 | 0.04 | +http://pmoz.info/doc/botinfo.htm |
| 55 | 3 | 0.01 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 56 | 2 | 0.01 | 2 | 0.03 | Intel Mac OS X 10.5 |
| 57 | 2 | 0.01 | 0 | 0.00 | http://support.paper.li/entries/20023257... |
| 58 | 2 | 0.01 | 2 | 0.03 | X11; Linux i686; de |
| 59 | 2 | 0.01 | 0 | 0.00 | +http://tweetmeme.com/ |
| 60 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 61 | 2 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 62 | 2 | 0.01 | 1 | 0.01 | +http://fulltext.sblog.cz/screenshot/ |
| 63 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 64 | 2 | 0.01 | 2 | 0.03 | FreeBSD [unknown version] |
| 65 | 1 | 0.00 | 0 | 0.00 | +http://www.compspy.com/spider.html |
| 66 | 1 | 0.00 | 0 | 0.00 | X11 |
| 67 | 1 | 0.00 | 1 | 0.01 | +http://www.wmtips.com/tools/ |
