| Used Operating Systems |
| 1 | 3245 | 37.55 | 145 | 4.56 | Windows NT |
| 2 | 2784 | 32.21 | 2501 | 78.70 | +http://www.baidu.com/search/spider.html |
| 3 | 775 | 8.97 | 259 | 8.15 | +http://www.google.com/bot.html |
| 4 | 611 | 7.07 | 107 | 3.37 | +http://yandex.com/bots |
| 5 | 307 | 3.55 | 16 | 0.50 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 286 | 3.31 | 9 | 0.28 | http://crawler.sistrix.net/ |
| 7 | 206 | 2.38 | 50 | 1.57 | +http://www.bing.com/bingbot.htm |
| 8 | 125 | 1.45 | 52 | 1.64 | ezooms.bot@gmail.com |
| 9 | 123 | 1.42 | 3 | 0.09 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 64 | 0.74 | 2 | 0.06 | http://www.searchmetrics.com/en/searchme... |
| 11 | 34 | 0.39 | 1 | 0.03 | +http://www.warebay.com/bot.html |
| 12 | 19 | 0.22 | 18 | 0.57 | +http://ahrefs.com/robot/ |
| 13 | 12 | 0.14 | 0 | 0.00 | Windows 95 |
| 14 | 11 | 0.13 | 1 | 0.03 | Linux i686 [unknown version] |
| 15 | 10 | 0.12 | 5 | 0.16 | +http://www.exabot.com/go/robot |
| 16 | 8 | 0.09 | 0 | 0.00 | Windows 98 |
| 17 | 8 | 0.09 | 4 | 0.13 | +http://shoulu.jike.com/spider.html |
| 18 | 4 | 0.05 | 2 | 0.06 | Intel Mac OS X 10.4 |
| 19 | 3 | 0.03 | 1 | 0.03 | +info@netcraft.com |
| 20 | 2 | 0.02 | 1 | 0.03 | Windows CE |
| 21 | 2 | 0.02 | 0 | 0.00 | Mac_PowerPC; en |
| 22 | 2 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 23 | 1 | 0.01 | 1 | 0.03 | Intel Mac OS X |
