| Used Operating Systems by Visits |
| 1 | 3852 | 10.45 | 3238 | 39.62 | +http://www.baidu.com/search/spider.html |
| 2 | 20476 | 55.55 | 1739 | 21.28 | Windows NT |
| 3 | 1859 | 5.04 | 880 | 10.77 | +http://www.bing.com/bingbot.htm |
| 4 | 2193 | 5.95 | 793 | 9.70 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 1238 | 3.36 | 360 | 4.40 | +http://www.google.com/bot.html |
| 6 | 1738 | 4.71 | 308 | 3.77 | +http://yandex.com/bots |
| 7 | 273 | 0.74 | 270 | 3.30 | http://www.yodao.com/help/webmaster/spid... |
| 8 | 1083 | 2.94 | 187 | 2.29 | ezooms.bot@gmail.com |
| 9 | 226 | 0.61 | 107 | 1.31 | +http://ahrefs.com/robot/ |
| 10 | 129 | 0.35 | 37 | 0.45 | +http://discoveryengine.com/discobot.htm... |
| 11 | 249 | 0.68 | 26 | 0.32 | Windows 98 |
| 12 | 59 | 0.16 | 24 | 0.29 | +http://www.exabot.com/go/robot |
| 13 | 472 | 1.28 | 22 | 0.27 | +http://www.scoutjet.com/ |
| 14 | 118 | 0.32 | 17 | 0.21 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 69 | 0.19 | 17 | 0.21 | Linux i686 [unknown version] |
| 16 | 24 | 0.07 | 13 | 0.16 | +http://shoulu.jike.com/spider.html |
| 17 | 17 | 0.05 | 10 | 0.12 | Windows 95 |
| 18 | 18 | 0.05 | 8 | 0.10 | http://www.youdao.com/help/webmaster/spi... |
| 19 | 14 | 0.04 | 7 | 0.09 | +http://botw.org |
| 20 | 7 | 0.02 | 7 | 0.09 | WinHttp.WinHttpRequest.5 |
| 21 | 98 | 0.27 | 7 | 0.09 | Intel Mac OS X 10.6 |
| 22 | 142 | 0.39 | 6 | 0.07 | PPC Mac OS X 10.4 |
| 23 | 42 | 0.11 | 6 | 0.07 | http://crawler.sistrix.net/ |
| 24 | 8 | 0.02 | 6 | 0.07 | Linux [unknown version] |
| 25 | 6 | 0.02 | 6 | 0.07 | +http://www.seexie.com |
| 26 | 180 | 0.49 | 5 | 0.06 | +http://filterdb.iss.net/crawler/ |
| 27 | 7 | 0.02 | 5 | 0.06 | Windows XP |
| 28 | 5 | 0.01 | 5 | 0.06 | Windows 3.1 |
| 29 | 146 | 0.40 | 5 | 0.06 | X11 |
| 30 | 4 | 0.01 | 4 | 0.05 | +http://pmoz.info/doc/botinfo.htm |
| 31 | 100 | 0.27 | 4 | 0.05 | Intel Mac OS X 10.4 |
| 32 | 7 | 0.02 | 4 | 0.05 | +http://www.seoprofiler.com/bot |
| 33 | 90 | 0.24 | 4 | 0.05 | PPC Mac OS X 10.5 |
| 34 | 5 | 0.01 | 3 | 0.04 | Auto; Windows |
| 35 | 2 | 0.01 | 2 | 0.02 | Windows CE |
| 36 | 20 | 0.05 | 2 | 0.02 | J2ME/MIDP |
| 37 | 27 | 0.07 | 2 | 0.02 | Intel Mac OS X 10.5 |
| 38 | 2 | 0.01 | 2 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 39 | 540 | 1.46 | 2 | 0.02 | +http://swebot-crawler.net |
| 40 | 4 | 0.01 | 2 | 0.02 | +http://tweetmeme.com/ |
| 41 | 2 | 0.01 | 2 | 0.02 | Windows ME |
| 42 | 2 | 0.01 | 2 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 43 | 4 | 0.01 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 44 | 2 | 0.01 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 45 | 46 | 0.12 | 2 | 0.02 | Macintosh |
| 46 | 8 | 0.02 | 2 | 0.02 | +http://domains.checkparams.com/ |
| 47 | 890 | 2.41 | 2 | 0.02 | +http://boston.lti.cs.cmu.edu/crawler_12... |
| 48 | 1 | 0.00 | 1 | 0.01 | Win32 |
| 49 | 270 | 0.73 | 1 | 0.01 | +http://www.warebay.com/bot.html |
| 50 | 2 | 0.01 | 1 | 0.01 | http://benderthewebrobot.tumblr.com |
| 51 | 3 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 52 | 4 | 0.01 | 1 | 0.01 | +http://fulltext.sblog.cz/screenshot/ |
| 53 | 6 | 0.02 | 1 | 0.01 | +http://hsmoore.com/siteinfo/ |
| 54 | 1 | 0.00 | 1 | 0.01 | +http://eripp.com |
| 55 | 19 | 0.05 | 0 | 0.00 | http://desktop.google.com/ |
| 56 | 24 | 0.07 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 57 | 28 | 0.08 | 0 | 0.00 | Windows 9. |
| 58 | 2 | 0.01 | 0 | 0.00 | Windows Phone OS 7.5 |
