| Used Operating Systems |
| 1 | 39425 | 60.61 | 4966 | 54.68 | Windows NT |
| 2 | 5799 | 8.92 | 1750 | 19.27 | +http://www.bing.com/bingbot.htm |
| 3 | 3741 | 5.75 | 1027 | 11.31 | +http://www.google.com/bot.html |
| 4 | 3329 | 5.12 | 9 | 0.10 | http://crawler.sistrix.net/ |
| 5 | 3267 | 5.02 | 191 | 2.10 | +http://yandex.com/bots |
| 6 | 2733 | 4.20 | 44 | 0.48 | +http://www.seoprofiler.com/bot |
| 7 | 1298 | 2.00 | 168 | 1.85 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 1065 | 1.64 | 238 | 2.62 | help@moz.com |
| 9 | 977 | 1.50 | 1 | 0.01 | crawler@goodzer.com |
| 10 | 510 | 0.78 | 7 | 0.08 | http://help.zum.com/inquiry |
| 11 | 314 | 0.48 | 184 | 2.03 | Windows 95 |
| 12 | 313 | 0.48 | 53 | 0.58 | ezooms.bot@gmail.com |
| 13 | 226 | 0.35 | 24 | 0.26 | Windows 98 |
| 14 | 186 | 0.29 | 36 | 0.40 | +http://www.semrush.com/bot.html |
| 15 | 162 | 0.25 | 11 | 0.12 | Linux i686 [unknown version] |
| 16 | 155 | 0.24 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 17 | 151 | 0.23 | 4 | 0.04 | X11 |
| 18 | 149 | 0.23 | 2 | 0.02 | +http://www.baidu.com/search/spider.html |
| 19 | 112 | 0.17 | 2 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 20 | 90 | 0.14 | 5 | 0.06 | Windows 90 |
| 21 | 84 | 0.13 | 3 | 0.03 | Intel Mac OS X 10.4 |
| 22 | 74 | 0.11 | 1 | 0.01 | Android |
| 23 | 64 | 0.10 | 42 | 0.46 | MSIE 5.5; Windows NT 5.0 |
| 24 | 57 | 0.09 | 4 | 0.04 | Windows XP |
| 25 | 57 | 0.09 | 1 | 0.01 | Android 2.3.5 |
| 26 | 55 | 0.08 | 7 | 0.08 | http://www.searchmetrics.com/en/searchme... |
| 27 | 55 | 0.08 | 33 | 0.36 | +http://www.exabot.com/go/robot |
| 28 | 52 | 0.08 | 37 | 0.41 | Windows 2000 |
| 29 | 43 | 0.07 | 30 | 0.33 | Windows CE |
| 30 | 43 | 0.07 | 31 | 0.34 | MSIE 5.5; Windows NT 4.0 |
| 31 | 42 | 0.06 | 21 | 0.23 | http://help.yahoo.com/help/us/ysearch/sl... |
| 32 | 39 | 0.06 | 28 | 0.31 | ) - BrowseX (2.0.0 Windows |
| 33 | 37 | 0.06 | 1 | 0.01 | +http://fulltext.sblog.cz/screenshot/ |
| 34 | 36 | 0.06 | 29 | 0.32 | Auto; Windows |
| 35 | 32 | 0.05 | 1 | 0.01 | Windows 92 |
| 36 | 31 | 0.05 | 1 | 0.01 | AOL 9.7; AOLBuild 4343.30; Windows NT 6.... |
| 37 | 29 | 0.04 | 22 | 0.24 | Windows 3.1 |
| 38 | 28 | 0.04 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 39 | 27 | 0.04 | 20 | 0.22 | Windows ME |
| 40 | 22 | 0.03 | 6 | 0.07 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 41 | 22 | 0.03 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 42 | 16 | 0.02 | 4 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 43 | 10 | 0.02 | 5 | 0.06 | +http://fulltext.sblog.cz/ |
| 44 | 9 | 0.01 | 0 | 0.00 | Win32 |
| 45 | 9 | 0.01 | 7 | 0.08 | +info@netcraft.com |
| 46 | 8 | 0.01 | 0 | 0.00 | +http://www.yunyun.com/spider.html |
| 47 | 8 | 0.01 | 4 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 48 | 8 | 0.01 | 4 | 0.04 | +http://siteexplorer.info/ |
| 49 | 7 | 0.01 | 3 | 0.03 | Intel Mac OS X 10.6 |
| 50 | 6 | 0.01 | 0 | 0.00 | OS/2 |
| 51 | 6 | 0.01 | 3 | 0.03 | Linux [unknown version] |
| 52 | 5 | 0.01 | 3 | 0.03 | +http://www.netseer.com/crawler.html; cr... |
| 53 | 4 | 0.01 | 0 | 0.00 | i686 Linux; 20020515 |
| 54 | 3 | 0.00 | 3 | 0.03 | +http://tweetmeme.com/ |
| 55 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 56 | 2 | 0.00 | 2 | 0.02 | mailto: crawling@ubermetrics-technologie... |
| 57 | 2 | 0.00 | 1 | 0.01 | +http://prlog.ru/ |
| 58 | 2 | 0.00 | 0 | 0.00 | ZumBot/1.0; http://help.zum.com/inquiry |
| 59 | 2 | 0.00 | 2 | 0.02 | Linux i586 [unknown version] |
| 60 | 1 | 0.00 | 0 | 0.00 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 61 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
