| Used Operating Systems by Visits |
| 1 | 22145 | 26.07 | 6174 | 60.18 | Windows NT |
| 2 | 2138 | 2.52 | 1717 | 16.74 | +http://www.baidu.com/search/spider.html |
| 3 | 3668 | 4.32 | 593 | 5.78 | +http://www.bing.com/bingbot.htm |
| 4 | 1193 | 1.40 | 385 | 3.75 | +http://www.google.com/bot.html |
| 5 | 50803 | 59.80 | 384 | 3.74 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 2109 | 2.48 | 142 | 1.38 | Windows 98 |
| 7 | 435 | 0.51 | 122 | 1.19 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 290 | 0.34 | 104 | 1.01 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 149 | 0.18 | 100 | 0.97 | Windows 95 |
| 10 | 142 | 0.17 | 85 | 0.83 | +http://ahrefs.com/robot/ |
| 11 | 228 | 0.27 | 78 | 0.76 | +http://www.linkdex.com/bots/ |
| 12 | 107 | 0.13 | 70 | 0.68 | +http://www.easou.com/search/spider.html |
| 13 | 302 | 0.36 | 42 | 0.41 | +http://yandex.com/bots |
| 14 | 44 | 0.05 | 25 | 0.24 | Windows 3.1 |
| 15 | 24 | 0.03 | 24 | 0.23 | Intel Mac OS X 10.4 |
| 16 | 29 | 0.03 | 19 | 0.19 | Windows ME |
| 17 | 25 | 0.03 | 19 | 0.19 | MSIE 5.5; Windows NT 5.0 |
| 18 | 81 | 0.10 | 17 | 0.17 | +http://www.exabot.com/go/robot |
| 19 | 18 | 0.02 | 16 | 0.16 | Windows 2000 |
| 20 | 20 | 0.02 | 16 | 0.16 | MSIE 5.5; Windows NT 4.0 |
| 21 | 23 | 0.03 | 15 | 0.15 | Windows XP |
| 22 | 29 | 0.03 | 13 | 0.13 | +http://fulltext.sblog.cz/ |
| 23 | 17 | 0.02 | 11 | 0.11 | Windows CE |
| 24 | 32 | 0.04 | 10 | 0.10 | ) - BrowseX (2.0.0 Windows |
| 25 | 11 | 0.01 | 7 | 0.07 | Linux i686 [unknown version] |
| 26 | 12 | 0.01 | 7 | 0.07 | +http://wmaid.com/explore/ |
| 27 | 16 | 0.02 | 6 | 0.06 | Auto; Windows |
| 28 | 89 | 0.10 | 5 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 29 | 115 | 0.14 | 5 | 0.05 | http://www.searchmetrics.com/en/searchme... |
| 30 | 6 | 0.01 | 5 | 0.05 | Linux [unknown version] |
| 31 | 25 | 0.03 | 4 | 0.04 | X11 |
| 32 | 84 | 0.10 | 3 | 0.03 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 33 | 6 | 0.01 | 3 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 34 | 64 | 0.08 | 2 | 0.02 | http://crawler.sistrix.net/ |
| 35 | 86 | 0.10 | 2 | 0.02 | +http://www.linkpad.ru |
| 36 | 6 | 0.01 | 2 | 0.02 | +http://downloaflare.biz |
| 37 | 15 | 0.02 | 2 | 0.02 | Android 2.3.5 |
| 38 | 3 | 0.00 | 2 | 0.02 | +info@netcraft.com |
| 39 | 2 | 0.00 | 2 | 0.02 | +http://www.loadtime.net/bot.html |
| 40 | 68 | 0.08 | 2 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 41 | 4 | 0.00 | 2 | 0.02 | ScoutJet; +http://blekko.com/about/blekk... |
| 42 | 3 | 0.00 | 2 | 0.02 | Intel Mac OS X 10.6 |
| 43 | 6 | 0.01 | 2 | 0.02 | +http://overx50.com/ |
| 44 | 3 | 0.00 | 1 | 0.01 | +http://www.proximic.com/info/spider.php |
| 45 | 3 | 0.00 | 1 | 0.01 | +http://getdownload.ws |
| 46 | 1 | 0.00 | 1 | 0.01 | mailto: crawling@ubermetrics-technologie... |
| 47 | 11 | 0.01 | 1 | 0.01 | +http://www.profound.net/urlappendbot.ht... |
| 48 | 1 | 0.00 | 1 | 0.01 | +http://qwaco.com/bot.html |
| 49 | 37 | 0.04 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 50 | 1 | 0.00 | 1 | 0.01 | +http://tweetmeme.com/ |
| 51 | 4 | 0.00 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 52 | 3 | 0.00 | 1 | 0.01 | +http://inload.in |
| 53 | 3 | 0.00 | 1 | 0.01 | +http://prlog.ru/ |
| 54 | 67 | 0.08 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 55 | 66 | 0.08 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 56 | 2 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 57 | 2 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 58 | 2 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 59 | 4 | 0.00 | 0 | 0.00 | Series 60 |
| 60 | 5 | 0.01 | 0 | 0.00 | AOL 9.7; AOLBuild 4343.2039; Windows NT ... |
| 61 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 62 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.8 |
| 63 | 12 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 64 | 32 | 0.04 | 0 | 0.00 | Windows Phone OS 7.0 |
| 65 | 12 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 66 | 1 | 0.00 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 67 | 11 | 0.01 | 0 | 0.00 | Windows Phone OS 7.5 |
