| Used Operating Systems |
| 1 | 8550 | 28.76 | 6932 | 53.20 | +http://www.baidu.com/search/spider.html |
| 2 | 6626 | 22.29 | 1321 | 10.14 | +http://www.google.com/bot.html |
| 3 | 3890 | 13.09 | 1630 | 12.51 | Windows NT |
| 4 | 3436 | 11.56 | 1702 | 13.06 | +http://www.bing.com/bingbot.htm |
| 5 | 1906 | 6.41 | 454 | 3.48 | +http://yandex.com/bots |
| 6 | 1880 | 6.32 | 44 | 0.34 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 882 | 2.97 | 206 | 1.58 | ezooms.bot@gmail.com |
| 8 | 547 | 1.84 | 136 | 1.04 | Intel Mac OS X 10.4 |
| 9 | 453 | 1.52 | 108 | 0.83 | +http://discoveryengine.com/discoverybot... |
| 10 | 421 | 1.42 | 65 | 0.50 | +http://shoulu.jike.com/spider.html |
| 11 | 196 | 0.66 | 57 | 0.44 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 191 | 0.64 | 181 | 1.39 | +http://ahrefs.com/robot/ |
| 13 | 168 | 0.57 | 4 | 0.03 | http://benderthewebrobot.tumblr.com |
| 14 | 149 | 0.50 | 81 | 0.62 | +http://www.exabot.com/go/robot |
| 15 | 100 | 0.34 | 1 | 0.01 | Windows |
| 16 | 75 | 0.25 | 40 | 0.31 | +http://www.proximic.com/info/spider.php |
| 17 | 58 | 0.20 | 2 | 0.02 | http://crawler.sistrix.net/ |
| 18 | 27 | 0.09 | 15 | 0.12 | Windows 98 |
| 19 | 26 | 0.09 | 4 | 0.03 | Linux i686 [unknown version] |
| 20 | 24 | 0.08 | 7 | 0.05 | +http://www.procog.com/spider.html |
| 21 | 11 | 0.04 | 5 | 0.04 | Windows 95 |
| 22 | 10 | 0.03 | 4 | 0.03 | +http://www.netseer.com/crawler.html; cr... |
| 23 | 9 | 0.03 | 3 | 0.02 | J2ME/MIDP |
| 24 | 8 | 0.03 | 0 | 0.00 | http://desktop.google.com/ |
| 25 | 8 | 0.03 | 4 | 0.03 | crawler@unister.de |
| 26 | 8 | 0.03 | 1 | 0.01 | crawler@nigma.ru |
| 27 | 6 | 0.02 | 1 | 0.01 | Android 2.3.4 |
| 28 | 5 | 0.02 | 3 | 0.02 | Windows 2000 |
| 29 | 5 | 0.02 | 1 | 0.01 | PPC Mac OS X 10.4 |
| 30 | 5 | 0.02 | 1 | 0.01 | +http://www-935.ibm.com/services/us/inde... |
| 31 | 5 | 0.02 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 32 | 5 | 0.02 | 1 | 0.01 | Windows Phone OS 7.5 |
| 33 | 5 | 0.02 | 1 | 0.01 | Android 2.2.1 |
| 34 | 4 | 0.01 | 2 | 0.02 | Windows ME |
| 35 | 4 | 0.01 | 2 | 0.02 | Windows 3.1 |
| 36 | 4 | 0.01 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 37 | 4 | 0.01 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 38 | 2 | 0.01 | 1 | 0.01 | Windows CE |
| 39 | 2 | 0.01 | 1 | 0.01 | Auto; Windows |
| 40 | 2 | 0.01 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 41 | 2 | 0.01 | 1 | 0.01 | +http://fulltext.sblog.cz/screenshot/ |
| 42 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 43 | 2 | 0.01 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 44 | 1 | 0.00 | 1 | 0.01 | +http://domains.checkparams.com/ |
