| Used Operating Systems |
| 1 | 23523 | 71.29 | 4577 | 64.50 | Windows NT |
| 2 | 1955 | 5.93 | 36 | 0.51 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1761 | 5.34 | 1428 | 20.12 | +http://www.baidu.com/search/spider.html |
| 4 | 1734 | 5.26 | 131 | 1.85 | +http://www.google.com/bot.html |
| 5 | 1341 | 4.06 | 179 | 2.52 | +http://www.bing.com/bingbot.htm |
| 6 | 678 | 2.05 | 37 | 0.52 | +http://yandex.com/bots |
| 7 | 408 | 1.24 | 88 | 1.24 | help@moz.com |
| 8 | 251 | 0.76 | 173 | 2.44 | Windows 95 |
| 9 | 171 | 0.52 | 25 | 0.35 | Windows 98 |
| 10 | 124 | 0.38 | 46 | 0.65 | +http://www.linkdex.com/about/bots/ |
| 11 | 84 | 0.25 | 5 | 0.07 | Intel Mac OS X 10.6 |
| 12 | 76 | 0.23 | 18 | 0.25 | ezooms.bot@gmail.com |
| 13 | 72 | 0.22 | 1 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 66 | 0.20 | 17 | 0.24 | +http://www.semrush.com/bot.html |
| 15 | 57 | 0.17 | 37 | 0.52 | Windows CE |
| 16 | 54 | 0.16 | 9 | 0.13 | X11 |
| 17 | 51 | 0.15 | 40 | 0.56 | Auto; Windows |
| 18 | 50 | 0.15 | 0 | 0.00 | +http://www.yunyun.com/SiteInfo.php?r=ab... |
| 19 | 48 | 0.15 | 39 | 0.55 | MSIE 5.5; Windows NT 4.0 |
| 20 | 46 | 0.14 | 3 | 0.04 | Windows XP |
| 21 | 45 | 0.14 | 30 | 0.42 | Windows ME |
| 22 | 44 | 0.13 | 28 | 0.39 | Windows 3.1 |
| 23 | 42 | 0.13 | 37 | 0.52 | ) - BrowseX (2.0.0 Windows |
| 24 | 38 | 0.12 | 13 | 0.18 | +http://www.exabot.com/go/robot |
| 25 | 32 | 0.10 | 5 | 0.07 | Android 2.3.5 |
| 26 | 31 | 0.09 | 26 | 0.37 | Windows 2000 |
| 27 | 28 | 0.08 | 23 | 0.32 | MSIE 5.5; Windows NT 5.0 |
| 28 | 28 | 0.08 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 29 | 27 | 0.08 | 3 | 0.04 | +http://www.seoprofiler.com/bot |
| 30 | 22 | 0.07 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 31 | 20 | 0.06 | 4 | 0.06 | +http://siteexplorer.info/ |
| 32 | 11 | 0.03 | 11 | 0.16 | +http://www.load-time.com/bot.html |
| 33 | 10 | 0.03 | 0 | 0.00 | Macintosh PPC |
| 34 | 10 | 0.03 | 2 | 0.03 | http://www.searchmetrics.com/en/searchme... |
| 35 | 10 | 0.03 | 5 | 0.07 | http://crawler.sistrix.net/ |
| 36 | 10 | 0.03 | 5 | 0.07 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 37 | 7 | 0.02 | 0 | 0.00 | Win32 |
| 38 | 4 | 0.01 | 4 | 0.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 39 | 4 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 40 | 4 | 0.01 | 2 | 0.03 | +http://www.yunyun.com/spider.html |
| 41 | 4 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 42 | 4 | 0.01 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 43 | 2 | 0.01 | 2 | 0.03 | +http://support.embed.ly/ |
| 44 | 2 | 0.01 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 45 | 2 | 0.01 | 1 | 0.01 | +http://help.coccoc.com/ |
| 46 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 47 | 2 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
