| Used Operating Systems |
| 1 | 8772 | 54.52 | 2425 | 47.86 | Windows NT |
| 2 | 1669 | 10.37 | 48 | 0.95 | +http://yandex.com/bots |
| 3 | 1402 | 8.71 | 1376 | 27.16 | +http://www.baidu.com/search/spider.html |
| 4 | 916 | 5.69 | 413 | 8.15 | +http://www.google.com/bot.html |
| 5 | 687 | 4.27 | 346 | 6.83 | +http://www.bing.com/bingbot.htm |
| 6 | 660 | 4.10 | 3 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 7 | 455 | 2.83 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 8 | 453 | 2.82 | 156 | 3.08 | help@moz.com |
| 9 | 276 | 1.72 | 37 | 0.73 | http://www.majestic12.co.uk/bot.php?+ |
| 10 | 249 | 1.55 | 4 | 0.08 | PPC Mac OS X 10.4 |
| 11 | 98 | 0.61 | 85 | 1.68 | +http://www.easou.com/search/spider.html |
| 12 | 79 | 0.49 | 37 | 0.73 | +http://www.linkdex.com/about/bots/ |
| 13 | 52 | 0.32 | 33 | 0.65 | +http://www.exabot.com/go/robot |
| 14 | 50 | 0.31 | 21 | 0.41 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 47 | 0.29 | 24 | 0.47 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 30 | 0.19 | 11 | 0.22 | Windows 95 |
| 17 | 30 | 0.19 | 6 | 0.12 | X11 |
| 18 | 28 | 0.17 | 5 | 0.10 | +http://siteexplorer.info/ |
| 19 | 24 | 0.15 | 8 | 0.16 | Windows 98 |
| 20 | 15 | 0.09 | 3 | 0.06 | Android 2.3.5 |
| 21 | 11 | 0.07 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 22 | 9 | 0.06 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 23 | 9 | 0.06 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 24 | 8 | 0.05 | 0 | 0.00 | Win32 |
| 25 | 6 | 0.04 | 2 | 0.04 | Auto; Windows |
| 26 | 6 | 0.04 | 2 | 0.04 | Windows ME |
| 27 | 6 | 0.04 | 3 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 28 | 4 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 29 | 4 | 0.02 | 2 | 0.04 | http://crawler.sistrix.net/ |
| 30 | 4 | 0.02 | 1 | 0.02 | +http://spider.socialbm.net |
| 31 | 4 | 0.02 | 2 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 32 | 4 | 0.02 | 2 | 0.04 | +http://fulltext.sblog.cz/ |
| 33 | 3 | 0.02 | 1 | 0.02 | Windows 2000 |
| 34 | 3 | 0.02 | 1 | 0.02 | Windows XP |
| 35 | 3 | 0.02 | 1 | 0.02 | Windows 3.1 |
| 36 | 2 | 0.01 | 1 | 0.02 | Windows CE |
| 37 | 2 | 0.01 | 1 | 0.02 | http://www.mojeek.com/bot.html |
| 38 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 40 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 41 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 42 | 1 | 0.01 | 0 | 0.00 | Android |
