| Used Operating Systems |
| 1 | 2769 | 22.74 | 1555 | 23.38 | Windows NT |
| 2 | 2239 | 18.39 | 2203 | 33.12 | +http://www.baidu.com/search/spider.html |
| 3 | 2131 | 17.50 | 1325 | 19.92 | +http://www.easou.com/search/spider.html |
| 4 | 1321 | 10.85 | 87 | 1.31 | +http://yandex.com/bots |
| 5 | 671 | 5.51 | 376 | 5.65 | +http://www.google.com/bot.html |
| 6 | 593 | 4.87 | 432 | 6.50 | +http://www.bing.com/bingbot.htm |
| 7 | 343 | 2.82 | 184 | 2.77 | +http://ahrefs.com/robot/ |
| 8 | 336 | 2.76 | 181 | 2.72 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 332 | 2.73 | 1 | 0.02 | http://filterdb.iss.net/crawler/ |
| 10 | 301 | 2.47 | 34 | 0.51 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 228 | 1.87 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 12 | 162 | 1.33 | 73 | 1.10 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 148 | 1.22 | 6 | 0.09 | +http://siteexplorer.info/ |
| 14 | 102 | 0.84 | 3 | 0.05 | http://www.lipperhey.com/ |
| 15 | 90 | 0.74 | 10 | 0.15 | http://www.searchmetrics.com/en/searchme... |
| 16 | 86 | 0.71 | 43 | 0.65 | +http://www.linkdex.com/bots/ |
| 17 | 65 | 0.53 | 35 | 0.53 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 63 | 0.52 | 20 | 0.30 | Windows 95 |
| 19 | 34 | 0.28 | 17 | 0.26 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 27 | 0.22 | 15 | 0.23 | +http://www.exabot.com/go/robot |
| 21 | 22 | 0.18 | 9 | 0.14 | +http://fulltext.sblog.cz/ |
| 22 | 12 | 0.10 | 4 | 0.06 | Windows CE |
| 23 | 11 | 0.09 | 1 | 0.02 | Android |
| 24 | 10 | 0.08 | 4 | 0.06 | Windows 98 |
| 25 | 7 | 0.06 | 5 | 0.08 | Linux i686 [unknown version] |
| 26 | 7 | 0.06 | 6 | 0.09 | +info@netcraft.com |
| 27 | 7 | 0.06 | 6 | 0.09 | +http://www.xovibot.net/ |
| 28 | 7 | 0.06 | 2 | 0.03 | +http://mydownloadengine.com |
| 29 | 5 | 0.04 | 1 | 0.02 | +http://overx50.com |
| 30 | 5 | 0.04 | 0 | 0.00 | Linux [unknown version] |
| 31 | 4 | 0.03 | 1 | 0.02 | +http://uni5download.com |
| 32 | 4 | 0.03 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 33 | 4 | 0.03 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 34 | 3 | 0.02 | 1 | 0.02 | Windows 2000 |
| 35 | 3 | 0.02 | 1 | 0.02 | Auto; Windows |
| 36 | 3 | 0.02 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 37 | 3 | 0.02 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 38 | 3 | 0.02 | 0 | 0.00 | +http://www.junglekey.com/ |
| 39 | 3 | 0.02 | 1 | 0.02 | +http://inload.me |
| 40 | 2 | 0.02 | 0 | 0.00 | J2ME/MIDP |
| 41 | 2 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 42 | 2 | 0.02 | 2 | 0.03 | +http://fb02itsscan.fh-muenster.de |
| 43 | 2 | 0.02 | 0 | 0.00 | Windows 99 |
| 44 | 2 | 0.02 | 2 | 0.03 | X11 |
| 45 | 1 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 46 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 47 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
