| Used Operating Systems |
| 1 | 138352 | 77.08 | 8197 | 59.65 | Windows NT |
| 2 | 9577 | 5.34 | 157 | 1.14 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 6759 | 3.77 | 214 | 1.56 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 6115 | 3.41 | 363 | 2.64 | +http://www.bing.com/bingbot.htm |
| 5 | 5285 | 2.94 | 177 | 1.29 | help@moz.com |
| 6 | 4910 | 2.74 | 2943 | 21.42 | +http://www.baidu.com/search/spider.html |
| 7 | 1341 | 0.75 | 124 | 0.90 | +http://yandex.com/bots |
| 8 | 1312 | 0.73 | 142 | 1.03 | +http://www.google.com/bot.html |
| 9 | 691 | 0.38 | 45 | 0.33 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 637 | 0.35 | 70 | 0.51 | Windows 98 |
| 11 | 594 | 0.33 | 3 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 572 | 0.32 | 364 | 2.65 | Windows 95 |
| 13 | 236 | 0.13 | 142 | 1.03 | MSIE 5.5; Windows NT 5.0 |
| 14 | 191 | 0.11 | 1 | 0.01 | +http://www.warebay.com/bot.html |
| 15 | 190 | 0.11 | 55 | 0.40 | +http://www.linkdex.com/bots/ |
| 16 | 174 | 0.10 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 17 | 143 | 0.08 | 37 | 0.27 | Linux i686 [unknown version] |
| 18 | 133 | 0.07 | 5 | 0.04 | +http://www.semrush.com/bot.html |
| 19 | 130 | 0.07 | 10 | 0.07 | Windows XP |
| 20 | 123 | 0.07 | 11 | 0.08 | +http://www.exabot.com/go/robot |
| 21 | 123 | 0.07 | 0 | 0.00 | Android |
| 22 | 120 | 0.07 | 13 | 0.09 | Windows 92 |
| 23 | 113 | 0.06 | 70 | 0.51 | MSIE 5.5; Windows NT 4.0 |
| 24 | 109 | 0.06 | 83 | 0.60 | Windows 2000 |
| 25 | 103 | 0.06 | 61 | 0.44 | Windows ME |
| 26 | 98 | 0.05 | 66 | 0.48 | Windows 3.1 |
| 27 | 97 | 0.05 | 61 | 0.44 | Auto; Windows |
| 28 | 96 | 0.05 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 29 | 95 | 0.05 | 63 | 0.46 | Windows CE |
| 30 | 94 | 0.05 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 31 | 90 | 0.05 | 2 | 0.01 | X11 |
| 32 | 87 | 0.05 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 33 | 78 | 0.04 | 60 | 0.44 | ) - BrowseX (2.0.0 Windows |
| 34 | 56 | 0.03 | 24 | 0.17 | Linux [unknown version] |
| 35 | 56 | 0.03 | 22 | 0.16 | +http://www.career-x.de/bot.html |
| 36 | 53 | 0.03 | 18 | 0.13 | +http://www.linkdex.com/about/bots/ |
| 37 | 44 | 0.02 | 1 | 0.01 | Android 2.3.5 |
| 38 | 41 | 0.02 | 1 | 0.01 | Macintosh |
| 39 | 41 | 0.02 | 2 | 0.01 | +http://fulltext.sblog.cz/ |
| 40 | 40 | 0.02 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 41 | 36 | 0.02 | 1 | 0.01 | crawler@goodzer.com |
| 42 | 29 | 0.02 | 2 | 0.01 | http://crawler.sistrix.net/ |
| 43 | 27 | 0.02 | 2 | 0.01 | +http://webmeup-crawler.com/ |
| 44 | 23 | 0.01 | 1 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 45 | 11 | 0.01 | 6 | 0.04 | Macintosh PPC |
| 46 | 10 | 0.01 | 5 | 0.04 | Intel Mac OS X 10.6 |
| 47 | 9 | 0.01 | 6 | 0.04 | +http://support.embed.ly/ |
| 48 | 8 | 0.00 | 0 | 0.00 | +http://www.grapeshot.co.uk/crawler.php |
| 49 | 8 | 0.00 | 2 | 0.01 | +http://www.proximic.com/info/spider.php |
| 50 | 7 | 0.00 | 5 | 0.04 | +info@netcraft.com |
| 51 | 6 | 0.00 | 4 | 0.03 | +http://about.ask.com/en/docs/about/webm... |
| 52 | 6 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 53 | 6 | 0.00 | 2 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 54 | 6 | 0.00 | 4 | 0.03 | BeOS |
| 55 | 5 | 0.00 | 0 | 0.00 | +http://www.yunyun.com/spider.html |
| 56 | 5 | 0.00 | 1 | 0.01 | +http://u12files.com/ |
| 57 | 5 | 0.00 | 1 | 0.01 | +http://szukaj.onet.pl |
| 58 | 5 | 0.00 | 1 | 0.01 | +http://fulltext.sblog.cz/screenshot/ |
| 59 | 5 | 0.00 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 60 | 5 | 0.00 | 4 | 0.03 | webcrawler at wise-guys dot nl; http://w... |
| 61 | 5 | 0.00 | 3 | 0.02 | +http://www.infohelfer.de/crawler.php |
| 62 | 5 | 0.00 | 3 | 0.02 | PPC Mac OS X Mach-O |
| 63 | 4 | 0.00 | 2 | 0.01 | Intel Mac OS X 10.5 |
| 64 | 4 | 0.00 | 4 | 0.03 | http://www.searchme.com/support/ |
| 65 | 4 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 66 | 4 | 0.00 | 2 | 0.01 | +http://monoid.nic.ru/ |
| 67 | 4 | 0.00 | 2 | 0.01 | robot; +http://yandex.com/bots |
| 68 | 4 | 0.00 | 1 | 0.01 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 69 | 4 | 0.00 | 0 | 0.00 | http://help.zum.com/inquiry |
| 70 | 4 | 0.00 | 3 | 0.02 | +http://help.coccoc.com/ |
| 71 | 4 | 0.00 | 0 | 0.00 | +http://www.seokicks.de/robot.html |
| 72 | 4 | 0.00 | 4 | 0.03 | +http://www.netseer.com/crawler.html; cr... |
| 73 | 4 | 0.00 | 2 | 0.01 | +http://about.depspid.net |
| 74 | 3 | 0.00 | 1 | 0.01 | +http://www.openindex.io/en/webmasters/s... |
| 75 | 3 | 0.00 | 0 | 0.00 | +http://www.loadtime.net/bot.html |
| 76 | 3 | 0.00 | 2 | 0.01 | +http://www.ellerdale.com/crawler.html |
| 77 | 3 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 78 | 3 | 0.00 | 2 | 0.01 | Website Thumbnail Generator; +http://web... |
| 79 | 3 | 0.00 | 3 | 0.02 | BeOS BePC |
| 80 | 3 | 0.00 | 2 | 0.01 | i686 Linux; 20020712 |
| 81 | 3 | 0.00 | 2 | 0.01 | +http://www.openindex.io/en/webmasters/s... |
| 82 | 3 | 0.00 | 2 | 0.01 | crawler@nigma.ru |
| 83 | 3 | 0.00 | 0 | 0.00 | Intel Mac OS X Mach-O |
| 84 | 3 | 0.00 | 2 | 0.01 | +http://ego.ms.mff.cuni.cz/ |
| 85 | 2 | 0.00 | 1 | 0.01 | +http://www.xmarks.com/about/crawler; in... |
| 86 | 2 | 0.00 | 2 | 0.01 | +http://www.evri.com/evrinid |
| 87 | 2 | 0.00 | 2 | 0.01 | +http://www.cloudservermarket.com/spider... |
| 88 | 2 | 0.00 | 0 | 0.00 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 89 | 2 | 0.00 | 0 | 0.00 | Haiku BePC |
| 90 | 2 | 0.00 | 2 | 0.01 | http://www.scoutjet.com/ |
| 91 | 2 | 0.00 | 2 | 0.01 | +http://bixolabs.com/crawler/general; cr... |
| 92 | 2 | 0.00 | 1 | 0.01 | Trident/6.0; Windows 98; .NET CLR 5.2.34... |
| 93 | 2 | 0.00 | 1 | 0.01 | http://www.secretsearchenginelabs.com/se... |
| 94 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 95 | 2 | 0.00 | 1 | 0.01 | ANTFresco/2.17; RISC OS-NC 5.13 Laz1UK13... |
| 96 | 2 | 0.00 | 1 | 0.01 | +http://bixolabs.com/crawler/ptd/; crawl... |
| 97 | 2 | 0.00 | 1 | 0.01 | +http://arachnys.com/ |
| 98 | 2 | 0.00 | 0 | 0.00 | +http://SiteExplorer.Info/ |
| 99 | 2 | 0.00 | 0 | 0.00 | Windows 9x |
| 100 | 2 | 0.00 | 1 | 0.01 | Windows |
| 101 | 2 | 0.00 | 1 | 0.01 | Trident/6.0; Windows NT 5.0; Avant Brows... |
| 102 | 2 | 0.00 | 2 | 0.01 | +http://sp.ask.com/docs/about/tech_crawl... |
| 103 | 2 | 0.00 | 1 | 0.01 | http://www.yoono.com/ |
| 104 | 2 | 0.00 | 1 | 0.01 | http://nlp.fi.muni.cz/projects/biwec/ |
| 105 | 2 | 0.00 | 0 | 0.00 | Win32 |
| 106 | 2 | 0.00 | 1 | 0.01 | Trident/6.0; Windows NT 6.1; SpamBlocker... |
| 107 | 2 | 0.00 | 2 | 0.01 | FreeBSD [unknown version] |
| 108 | 2 | 0.00 | 2 | 0.01 | +http://k311.fd.cvut.cz/ |
| 109 | 2 | 0.00 | 2 | 0.01 | +http://bixolabs.com/crawler/general; cr... |
| 110 | 2 | 0.00 | 2 | 0.01 | Syllable |
| 111 | 2 | 0.00 | 2 | 0.01 | +http://www.dotsemantic.org |
| 112 | 1 | 0.00 | 0 | 0.00 | twingly.com |
| 113 | 1 | 0.00 | 0 | 0.00 | +http://www.alexa.com/help/webmasters; s... |
| 114 | 1 | 0.00 | 1 | 0.01 | http://support.paper.li/entries/20023257... |
| 115 | 1 | 0.00 | 1 | 0.01 | SunOS |
| 116 | 1 | 0.00 | 0 | 0.00 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 117 | 1 | 0.00 | 1 | 0.01 | +http://tweetmeme.com/ |
| 118 | 1 | 0.00 | 1 | 0.01 | ActiveXperts.Http.3.1 |
| 119 | 1 | 0.00 | 0 | 0.00 | +https://kocour.ms.mff.cuni.cz/ego/ |
| 120 | 1 | 0.00 | 1 | 0.01 | http://blog.wasalive.com/wasalive-bots/ |
| 121 | 1 | 0.00 | 1 | 0.01 | +http://wmaid.com/explore/ |
| 122 | 1 | 0.00 | 0 | 0.00 | +http://wummel.github.io/linkchecker/ |
| 123 | 1 | 0.00 | 1 | 0.01 | +http://www.scoutjet.com/ |
| 124 | 1 | 0.00 | 0 | 0.00 | AmigaOS4.0 |
| 125 | 1 | 0.00 | 1 | 0.01 | +http://nlp.fi.muni.cz/projects/biwec/ |
| 126 | 1 | 0.00 | 0 | 0.00 | +http://www.blinka.jp/crawler/ |
| 127 | 1 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 128 | 1 | 0.00 | 1 | 0.01 | http://webagent.wise-guys.nl/ |
| 129 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X |
| 130 | 1 | 0.00 | 1 | 0.01 | http://www.lipperhey.com/ |
