| Used Operating Systems |
| 1 | 74324 | 61.46 | 6951 | 41.00 | Windows NT |
| 2 | 13428 | 11.10 | 7912 | 46.67 | +http://www.baidu.com/search/spider.html |
| 3 | 10819 | 8.95 | 350 | 2.06 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 8291 | 6.86 | 124 | 0.73 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 3997 | 3.31 | 303 | 1.79 | +http://www.bing.com/bingbot.htm |
| 6 | 2040 | 1.69 | 486 | 2.87 | +http://www.google.com/bot.html |
| 7 | 1162 | 0.96 | 338 | 1.99 | +http://www.easou.com/search/spider.html |
| 8 | 1056 | 0.87 | 3 | 0.02 | PPC Mac OS X 10.4 |
| 9 | 756 | 0.63 | 43 | 0.25 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 628 | 0.52 | 12 | 0.07 | +http://fulltext.sblog.cz/ |
| 11 | 377 | 0.31 | 42 | 0.25 | +http://yandex.com/bots |
| 12 | 369 | 0.31 | 11 | 0.06 | +http://ahrefs.com/robot/ |
| 13 | 337 | 0.28 | 105 | 0.62 | MSIE 5.5; Windows NT 5.0 |
| 14 | 308 | 0.25 | 2 | 0.01 | Windows 92 |
| 15 | 307 | 0.25 | 74 | 0.44 | +http://www.linkdex.com/bots/ |
| 16 | 240 | 0.20 | 1 | 0.01 | +http://www.seokicks.de/robot.html |
| 17 | 194 | 0.16 | 2 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 18 | 184 | 0.15 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 19 | 181 | 0.15 | 33 | 0.19 | Linux i686 [unknown version] |
| 20 | 176 | 0.15 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 21 | 163 | 0.13 | 18 | 0.11 | Macintosh |
| 22 | 138 | 0.11 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.55; Windows NT 5.... |
| 23 | 137 | 0.11 | 19 | 0.11 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 24 | 123 | 0.10 | 16 | 0.09 | +http://www.exabot.com/go/robot |
| 25 | 120 | 0.10 | 6 | 0.04 | +http://www.semrush.com/bot.html |
| 26 | 120 | 0.10 | 12 | 0.07 | X11 |
| 27 | 93 | 0.08 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 28 | 89 | 0.07 | 1 | 0.01 | https://help.yahoo.com/kb/yahoo-ad-monit... |
| 29 | 84 | 0.07 | 2 | 0.01 | +http://www.similartech.com/smtbot |
| 30 | 69 | 0.06 | 4 | 0.02 | Windows 98 |
| 31 | 57 | 0.05 | 5 | 0.03 | Windows 95 |
| 32 | 57 | 0.05 | 6 | 0.04 | +http://siteexplorer.info/ |
| 33 | 54 | 0.04 | 2 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 34 | 51 | 0.04 | 17 | 0.10 | +http://www.meanpath.com/meanpathbot.htm... |
| 35 | 49 | 0.04 | 0 | 0.00 | Android |
| 36 | 48 | 0.04 | 3 | 0.02 | Android 2.3.5 |
| 37 | 47 | 0.04 | 1 | 0.01 | +http://www.openfos.com |
| 38 | 41 | 0.03 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 39 | 30 | 0.02 | 0 | 0.00 | Windows XP |
| 40 | 27 | 0.02 | 1 | 0.01 | http://crawler.sistrix.net/ |
| 41 | 15 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 42 | 10 | 0.01 | 1 | 0.01 | Windows CE |
| 43 | 10 | 0.01 | 8 | 0.05 | +info@netcraft.com |
| 44 | 9 | 0.01 | 2 | 0.01 | +http://www.proximic.com/info/spider.php |
| 45 | 8 | 0.01 | 2 | 0.01 | +http://mono.name |
| 46 | 8 | 0.01 | 3 | 0.02 | http://www.bing.com/bingbot.htm |
| 47 | 8 | 0.01 | 2 | 0.01 | +http://galaxydownloads.co |
| 48 | 7 | 0.01 | 0 | 0.00 | http://support.paper.li/entries/20023257... |
| 49 | 7 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 50 | 6 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 51 | 5 | 0.00 | 1 | 0.01 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 52 | 4 | 0.00 | 1 | 0.01 | +http://uni5download.com |
| 53 | 4 | 0.00 | 1 | 0.01 | +http://plus5files.net |
| 54 | 4 | 0.00 | 1 | 0.01 | Windows 3.1 |
| 55 | 4 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 56 | 4 | 0.00 | 1 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 57 | 4 | 0.00 | 2 | 0.01 | Intel Mac OS X 10.6 |
| 58 | 4 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 59 | 3 | 0.00 | 0 | 0.00 | Windows 2000 |
| 60 | 3 | 0.00 | 0 | 0.00 | Auto; Windows |
| 61 | 3 | 0.00 | 1 | 0.01 | +http://getdownload.ws |
| 62 | 3 | 0.00 | 3 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 63 | 3 | 0.00 | 2 | 0.01 | Linux [unknown version] |
| 64 | 3 | 0.00 | 0 | 0.00 | Windows ME |
| 65 | 3 | 0.00 | 0 | 0.00 | +http://www.xovibot.net/ |
| 66 | 3 | 0.00 | 1 | 0.01 | +http://opendownload.pw |
| 67 | 2 | 0.00 | 0 | 0.00 | http://linkfluence.net/; bot@linkfluence... |
| 68 | 2 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 69 | 2 | 0.00 | 1 | 0.01 | support@everyonesocial.com http://everyo... |
| 70 | 2 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 71 | 2 | 0.00 | 1 | 0.01 | +http://www.wevika.de/ |
| 72 | 2 | 0.00 | 2 | 0.01 | +http://www.loadtime.net/bot.html |
| 73 | 2 | 0.00 | 1 | 0.01 | +http://wmaid.com/en/explore/ |
| 74 | 2 | 0.00 | 2 | 0.01 | http://blog.wasalive.com/wasalive-bots/ |
| 75 | 1 | 0.00 | 0 | 0.00 | documents; +http://docs.google.com |
| 76 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 77 | 1 | 0.00 | 0 | 0.00 | mailto: crawling@ubermetrics-technologie... |
| 78 | 1 | 0.00 | 1 | 0.01 | +http://domainsigma.com/robot |
