| Used Operating Systems |
| 1 | 8644 | 43.98 | 158 | 3.22 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4781 | 24.33 | 1983 | 40.39 | Windows NT |
| 3 | 1988 | 10.12 | 1748 | 35.60 | +http://www.baidu.com/search/spider.html |
| 4 | 1770 | 9.01 | 374 | 7.62 | +http://www.google.com/bot.html |
| 5 | 791 | 4.02 | 239 | 4.87 | +http://www.bing.com/bingbot.htm |
| 6 | 416 | 2.12 | 57 | 1.16 | +http://yandex.com/bots |
| 7 | 162 | 0.82 | 57 | 1.16 | +http://www.linkdex.com/bots/ |
| 8 | 156 | 0.79 | 4 | 0.08 | http://crawler.007ac9.net/ |
| 9 | 152 | 0.77 | 67 | 1.36 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 147 | 0.75 | 78 | 1.59 | +http://www.easou.com/search/spider.html |
| 11 | 114 | 0.58 | 48 | 0.98 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 82 | 0.42 | 2 | 0.04 | Windows |
| 13 | 65 | 0.33 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 14 | 61 | 0.31 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 15 | 37 | 0.19 | 1 | 0.02 | Android |
| 16 | 36 | 0.18 | 2 | 0.04 | +http://siteexplorer.info/ |
| 17 | 35 | 0.18 | 1 | 0.02 | iPhone |
| 18 | 24 | 0.12 | 16 | 0.33 | X11 |
| 19 | 23 | 0.12 | 14 | 0.29 | Android 2.3.5 |
| 20 | 22 | 0.11 | 16 | 0.33 | +http://ahrefs.com/robot/ |
| 21 | 21 | 0.11 | 1 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 22 | 20 | 0.10 | 10 | 0.20 | +http://www.exabot.com/go/robot |
| 23 | 15 | 0.08 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 24 | 14 | 0.07 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 25 | 12 | 0.06 | 0 | 0.00 | Windows 95 |
| 26 | 8 | 0.04 | 2 | 0.04 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 27 | 8 | 0.04 | 4 | 0.08 | +http://fulltext.sblog.cz/ |
| 28 | 6 | 0.03 | 2 | 0.04 | +info@netcraft.com |
| 29 | 5 | 0.03 | 1 | 0.02 | +http://tryload.in |
| 30 | 4 | 0.02 | 1 | 0.02 | +http://uni5download.com |
| 31 | 4 | 0.02 | 4 | 0.08 | +http://wmaid.com/explore/ |
| 32 | 4 | 0.02 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 33 | 4 | 0.02 | 1 | 0.02 | +http://mydownloadengine.com |
| 34 | 3 | 0.02 | 1 | 0.02 | +http://getdownload.ws |
| 35 | 3 | 0.02 | 3 | 0.06 | Linux i686 [unknown version] |
| 36 | 2 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 37 | 2 | 0.01 | 2 | 0.04 | +http://www.dredger.biz/ |
| 38 | 2 | 0.01 | 1 | 0.02 | http://crawler.sistrix.net/ |
| 39 | 2 | 0.01 | 2 | 0.04 | Intel Mac OS X 10.4 |
| 40 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 41 | 1 | 0.01 | 1 | 0.02 | Windows 2000 |
| 42 | 1 | 0.01 | 0 | 0.00 | Win32 |
| 43 | 1 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 44 | 1 | 0.01 | 1 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 45 | 1 | 0.01 | 1 | 0.02 | ActiveXperts.Http |
| 46 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
