| Used Operating Systems |
| 1 | 2218 | 27.26 | 253 | 8.87 | Windows NT |
| 2 | 2120 | 26.06 | 1975 | 69.27 | +http://www.baidu.com/search/spider.html |
| 3 | 1631 | 20.05 | 18 | 0.63 | Windows 98 |
| 4 | 931 | 11.44 | 351 | 12.31 | +http://www.google.com/bot.html |
| 5 | 352 | 4.33 | 73 | 2.56 | +http://yandex.com/bots |
| 6 | 276 | 3.39 | 15 | 0.53 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 152 | 1.87 | 45 | 1.58 | +http://www.bing.com/bingbot.htm |
| 8 | 148 | 1.82 | 11 | 0.39 | http://crawler.sistrix.net/ |
| 9 | 67 | 0.82 | 29 | 1.02 | ezooms.bot@gmail.com |
| 10 | 55 | 0.68 | 3 | 0.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 38 | 0.47 | 19 | 0.67 | +http://www.exabot.com/go/robot |
| 12 | 26 | 0.32 | 20 | 0.70 | +http://ahrefs.com/robot/ |
| 13 | 24 | 0.29 | 1 | 0.04 | Linux i686 [unknown version] |
| 14 | 18 | 0.22 | 1 | 0.04 | +http://fulltext.sblog.cz/screenshot/ |
| 15 | 16 | 0.20 | 1 | 0.04 | +http://www.warebay.com/bot.html |
| 16 | 9 | 0.11 | 0 | 0.00 | +http://shoulu.jike.com/spider.html |
| 17 | 6 | 0.07 | 3 | 0.11 | +http://discoveryengine.com/discobot.htm... |
| 18 | 6 | 0.07 | 3 | 0.11 | MSIE 5.5; Windows NT 5.0 |
| 19 | 5 | 0.06 | 3 | 0.11 | Windows ME |
| 20 | 5 | 0.06 | 5 | 0.18 | PPC Mac OS X Mach-O |
| 21 | 5 | 0.06 | 4 | 0.14 | +info@netcraft.com |
| 22 | 4 | 0.05 | 4 | 0.14 | Linux [unknown version] |
| 23 | 4 | 0.05 | 2 | 0.07 | Windows XP |
| 24 | 3 | 0.04 | 2 | 0.07 | Windows 2000 |
| 25 | 2 | 0.02 | 1 | 0.04 | Auto; Windows |
| 26 | 2 | 0.02 | 1 | 0.04 | Windows 3.1 |
| 27 | 2 | 0.02 | 1 | 0.04 | Windows 95 |
| 28 | 2 | 0.02 | 1 | 0.04 | +http://shoulu.foxspider.com/spider.html |
| 29 | 2 | 0.02 | 1 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 30 | 2 | 0.02 | 1 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 31 | 1 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 32 | 1 | 0.01 | 1 | 0.04 | +http://www.netseer.com/crawler.html; cr... |
| 33 | 1 | 0.01 | 1 | 0.04 | Intel Mac OS X 10.6 |
| 34 | 1 | 0.01 | 1 | 0.04 | Linux i586 [unknown version] |
| 35 | 1 | 0.01 | 1 | 0.04 | +http://www.profound.net/sibot.html |
