| Used Operating Systems |
| 1 | 16695 | 41.63 | 4394 | 60.06 | Windows NT |
| 2 | 8946 | 22.31 | 169 | 2.31 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 4268 | 10.64 | 191 | 2.61 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 2695 | 6.72 | 2012 | 27.50 | +http://www.baidu.com/search/spider.html |
| 5 | 2603 | 6.49 | 162 | 2.21 | help@moz.com |
| 6 | 1750 | 4.36 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 7 | 1506 | 3.76 | 3 | 0.04 | +http://webmeup-crawler.com/ |
| 8 | 463 | 1.15 | 187 | 2.56 | +http://www.bing.com/bingbot.htm |
| 9 | 407 | 1.01 | 18 | 0.25 | Windows 98 |
| 10 | 330 | 0.82 | 21 | 0.29 | +http://yandex.com/bots |
| 11 | 85 | 0.21 | 23 | 0.31 | X11 |
| 12 | 79 | 0.20 | 20 | 0.27 | +http://www.google.com/bot.html |
| 13 | 42 | 0.10 | 16 | 0.22 | Android 2.3.5 |
| 14 | 36 | 0.09 | 11 | 0.15 | +http://www.linkdex.com/about/bots/ |
| 15 | 30 | 0.07 | 19 | 0.26 | Linux i686 [unknown version] |
| 16 | 20 | 0.05 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 17 | 14 | 0.03 | 6 | 0.08 | Linux [unknown version] |
| 18 | 10 | 0.02 | 5 | 0.07 | +http://help.coccoc.com/ |
| 19 | 8 | 0.02 | 4 | 0.05 | +http://ego.ms.mff.cuni.cz/ |
| 20 | 7 | 0.02 | 5 | 0.07 | +http://www.linkdex.com/bots/ |
| 21 | 7 | 0.02 | 3 | 0.04 | +http://about.depspid.net |
| 22 | 6 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 23 | 5 | 0.01 | 3 | 0.04 | Macintosh PPC |
| 24 | 5 | 0.01 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 25 | 4 | 0.01 | 0 | 0.00 | Trident/6.0; Windows NT 6.0; ZangoToolba... |
| 26 | 4 | 0.01 | 0 | 0.00 | Trident/6.0; Windows NT 5.0; IEMB3 |
| 27 | 4 | 0.01 | 2 | 0.03 | Intel Mac OS X 10.5 |
| 28 | 4 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 29 | 4 | 0.01 | 2 | 0.03 | +http://about.ask.com/en/docs/about/webm... |
| 30 | 3 | 0.01 | 1 | 0.01 | http://www.entireweb.com/about/search_te... |
| 31 | 3 | 0.01 | 1 | 0.01 | +http://www.openindex.io/en/webmasters/s... |
| 32 | 3 | 0.01 | 0 | 0.00 | +http://www.netseer.com/crawler.html; cr... |
| 33 | 3 | 0.01 | 3 | 0.04 | Windows 3.1 |
| 34 | 3 | 0.01 | 1 | 0.01 | PPC Mac OS X Mach-O |
| 35 | 3 | 0.01 | 1 | 0.01 | FreeBSD [unknown version] |
| 36 | 3 | 0.01 | 1 | 0.01 | SunOS |
| 37 | 2 | 0.00 | 0 | 0.00 | http://www.peew.de/crawler/ |
| 38 | 2 | 0.00 | 0 | 0.00 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 39 | 2 | 0.00 | 2 | 0.03 | OpenBSD [unknown version] |
| 40 | 2 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 41 | 2 | 0.00 | 1 | 0.01 | Windows XP |
| 42 | 2 | 0.00 | 2 | 0.03 | Windows 95 |
| 43 | 2 | 0.00 | 0 | 0.00 | Trident/6.0; Windows NT 6.1; Crazy Brows... |
| 44 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 45 | 2 | 0.00 | 2 | 0.03 | +http://openindex.io/spider.html; system... |
| 46 | 2 | 0.00 | 2 | 0.03 | Website Thumbnail Generator; +http://web... |
| 47 | 2 | 0.00 | 2 | 0.03 | Linux 2.2.x |
| 48 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 49 | 2 | 0.00 | 2 | 0.03 | Trident/6.0; Windows 98; Zune 1.9.01; .N... |
| 50 | 2 | 0.00 | 0 | 0.00 | ANTFresco/2.17; RISC OS-NC 5.13 Laz1UK13... |
| 51 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 52 | 1 | 0.00 | 1 | 0.01 | webcrawler at wise-guys dot nl; http://w... |
| 53 | 1 | 0.00 | 1 | 0.01 | netbox; Linux 2.2 |
| 54 | 1 | 0.00 | 1 | 0.01 | http://www.yoono.com/ |
| 55 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 56 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 57 | 1 | 0.00 | 0 | 0.00 | BeOS BePC |
| 58 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
| 59 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X |
| 60 | 1 | 0.00 | 0 | 0.00 | +http://www.infohelfer.de/crawler.php |
| 61 | 1 | 0.00 | 1 | 0.01 | +http://sp.ask.com/docs/about/tech_crawl... |
| 62 | 1 | 0.00 | 1 | 0.01 | +http://page2rss.com/ |
| 63 | 1 | 0.00 | 1 | 0.01 | +http://www.easou.com/search/spider.html |
| 64 | 1 | 0.00 | 1 | 0.01 | +http://www.evri.com/evrinid |
| 65 | 1 | 0.00 | 1 | 0.01 | +http://www.dnsdigger.com |
| 66 | 1 | 0.00 | 0 | 0.00 | +http://monoid.nic.ru/ |
| 67 | 1 | 0.00 | 1 | 0.01 | http://nlp.fi.muni.cz/projects/biwec/ |
| 68 | 1 | 0.00 | 1 | 0.01 | Windows ME |
