| Used Operating Systems |
| 1 | 46488 | 83.03 | 6897 | 71.93 | Windows NT |
| 2 | 2600 | 4.64 | 34 | 0.35 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1774 | 3.17 | 1551 | 16.18 | +http://www.baidu.com/search/spider.html |
| 4 | 1105 | 1.97 | 20 | 0.21 | +http://yandex.com/bots |
| 5 | 888 | 1.59 | 133 | 1.39 | +http://www.bing.com/bingbot.htm |
| 6 | 863 | 1.54 | 156 | 1.63 | +http://www.google.com/bot.html |
| 7 | 494 | 0.88 | 112 | 1.17 | ezooms.bot@gmail.com |
| 8 | 198 | 0.35 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 9 | 198 | 0.35 | 180 | 1.88 | Windows 95 |
| 10 | 135 | 0.24 | 50 | 0.52 | Windows 98 |
| 11 | 130 | 0.23 | 1 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 120 | 0.21 | 36 | 0.38 | +http://www.linkdex.com/about/bots/ |
| 13 | 107 | 0.19 | 16 | 0.17 | X11 |
| 14 | 102 | 0.18 | 1 | 0.01 | Android |
| 15 | 70 | 0.13 | 9 | 0.09 | Android 2.3.5 |
| 16 | 55 | 0.10 | 19 | 0.20 | Windows XP |
| 17 | 50 | 0.09 | 0 | 0.00 | +http://www.yunyun.com/SiteInfo.php?r=ab... |
| 18 | 47 | 0.08 | 44 | 0.46 | Windows ME |
| 19 | 46 | 0.08 | 42 | 0.44 | MSIE 5.5; Windows NT 4.0 |
| 20 | 44 | 0.08 | 42 | 0.44 | MSIE 5.5; Windows NT 5.0 |
| 21 | 41 | 0.07 | 40 | 0.42 | Windows 3.1 |
| 22 | 39 | 0.07 | 39 | 0.41 | Auto; Windows |
| 23 | 39 | 0.07 | 10 | 0.10 | +http://www.semrush.com/bot.html |
| 24 | 35 | 0.06 | 14 | 0.15 | Intel Mac OS X 10.6 |
| 25 | 33 | 0.06 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 26 | 33 | 0.06 | 6 | 0.06 | +http://siteexplorer.info/ |
| 27 | 32 | 0.06 | 29 | 0.30 | Windows 2000 |
| 28 | 32 | 0.06 | 32 | 0.33 | ) - BrowseX (2.0.0 Windows |
| 29 | 30 | 0.05 | 28 | 0.29 | Windows CE |
| 30 | 29 | 0.05 | 1 | 0.01 | +http://www.aihit.com/ |
| 31 | 28 | 0.05 | 5 | 0.05 | http://www.searchmetrics.com/en/searchme... |
| 32 | 24 | 0.04 | 6 | 0.06 | +http://www.meanpath.com/meanpathbot.htm... |
| 33 | 10 | 0.02 | 5 | 0.05 | http://crawler.sistrix.net/ |
| 34 | 10 | 0.02 | 5 | 0.05 | +http://www.exabot.com/go/robot |
| 35 | 8 | 0.01 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 36 | 6 | 0.01 | 3 | 0.03 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 37 | 6 | 0.01 | 6 | 0.06 | +http://help.soso.com/webspider.htm |
| 38 | 4 | 0.01 | 0 | 0.00 | Win32 |
| 39 | 4 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 40 | 3 | 0.01 | 3 | 0.03 | +http://support.embed.ly/ |
| 41 | 3 | 0.01 | 0 | 0.00 | MAUI Runtime |
| 42 | 2 | 0.00 | 0 | 0.00 | http://desktop.google.com/ |
| 43 | 2 | 0.00 | 1 | 0.01 | +http://www.compspy.com/spider.html |
| 44 | 2 | 0.00 | 1 | 0.01 | +http://www.yunyun.com/spider.html |
| 45 | 2 | 0.00 | 1 | 0.01 | +http://www.profound.net/urlappendbot.ht... |
| 46 | 2 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 47 | 2 | 0.00 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 48 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 49 | 2 | 0.00 | 1 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 50 | 1 | 0.00 | 1 | 0.01 | J2ME/MIDP |
| 51 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 52 | 1 | 0.00 | 1 | 0.01 | iPhone |
| 53 | 1 | 0.00 | 1 | 0.01 | +http://tweetmeme.com/ |
| 54 | 1 | 0.00 | 1 | 0.01 | http://support.paper.li/entries/20023257... |
| 55 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 56 | 1 | 0.00 | 1 | 0.01 | mailto: crawling@ubermetrics-technologie... |
| 57 | 1 | 0.00 | 1 | 0.01 | compatible |
