| Used Operating Systems by Visits |
| 1 | 3138 | 15.72 | 2495 | 34.32 | +http://www.baidu.com/search/spider.html |
| 2 | 2603 | 13.04 | 1883 | 25.90 | +http://www.bing.com/bingbot.htm |
| 3 | 4335 | 21.71 | 1000 | 13.76 | +http://www.google.com/bot.html |
| 4 | 2433 | 12.19 | 860 | 11.83 | Windows NT |
| 5 | 2564 | 12.84 | 406 | 5.59 | +http://yandex.com/bots |
| 6 | 801 | 4.01 | 186 | 2.56 | ezooms.bot@gmail.com |
| 7 | 2044 | 10.24 | 101 | 1.39 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 1092 | 5.47 | 65 | 0.89 | +http://discoveryengine.com/discobot.htm... |
| 9 | 110 | 0.55 | 63 | 0.87 | +http://www.exabot.com/go/robot |
| 10 | 106 | 0.53 | 61 | 0.84 | +http://shoulu.jike.com/spider.html |
| 11 | 149 | 0.75 | 36 | 0.50 | Windows 98 |
| 12 | 75 | 0.38 | 31 | 0.43 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 32 | 0.16 | 20 | 0.28 | Windows 95 |
| 14 | 47 | 0.24 | 9 | 0.12 | Linux i686 [unknown version] |
| 15 | 8 | 0.04 | 6 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 16 | 7 | 0.04 | 5 | 0.07 | Windows CE |
| 17 | 7 | 0.04 | 5 | 0.07 | Windows ME |
| 18 | 122 | 0.61 | 4 | 0.06 | http://crawler.sistrix.net/ |
| 19 | 5 | 0.03 | 4 | 0.06 | Linux [unknown version] |
| 20 | 7 | 0.04 | 3 | 0.04 | Windows 3.1 |
| 21 | 5 | 0.03 | 3 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 22 | 3 | 0.02 | 2 | 0.03 | Windows 2000 |
| 23 | 4 | 0.02 | 2 | 0.03 | AOL 9.1; AOLBuild 4334.5012; Windows NT ... |
| 24 | 4 | 0.02 | 2 | 0.03 | Windows Phone OS 7.5 |
| 25 | 2 | 0.01 | 2 | 0.03 | Intel Mac OS X 10.6 |
| 26 | 8 | 0.04 | 2 | 0.03 | +http://domains.checkparams.com/ |
| 27 | 1 | 0.01 | 1 | 0.01 | Ubuntu |
| 28 | 1 | 0.01 | 1 | 0.01 | OpenBSD [unknown version] |
| 29 | 2 | 0.01 | 1 | 0.01 | Macintosh PPC |
| 30 | 1 | 0.01 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 31 | 3 | 0.02 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 32 | 202 | 1.01 | 1 | 0.01 | +http://swebot-crawler.net |
| 33 | 23 | 0.12 | 1 | 0.01 | bot@language-tools.com |
| 34 | 1 | 0.01 | 1 | 0.01 | +http://www.marketwire.com |
| 35 | 2 | 0.01 | 1 | 0.01 | Windows XP |
| 36 | 1 | 0.01 | 1 | 0.01 | SunOS sun4u |
| 37 | 2 | 0.01 | 1 | 0.01 | +http://www.eventguru.com/spider.html |
| 38 | 1 | 0.01 | 1 | 0.01 | X11 |
| 39 | 1 | 0.01 | 1 | 0.01 | +http://eripp.com |
| 40 | 3 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 41 | 4 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 42 | 4 | 0.02 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 43 | 1 | 0.01 | 0 | 0.00 | +info@netcraft.com |
