| Used Operating Systems |
| 1 | 17455 | 74.17 | 203 | 11.53 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3749 | 15.93 | 990 | 56.25 | Windows NT |
| 3 | 761 | 3.23 | 99 | 5.62 | +http://www.bing.com/bingbot.htm |
| 4 | 761 | 3.23 | 291 | 16.53 | +http://www.baidu.com/search/spider.html |
| 5 | 315 | 1.34 | 75 | 4.26 | +http://www.google.com/bot.html |
| 6 | 117 | 0.50 | 36 | 2.05 | +http://yandex.com/bots |
| 7 | 111 | 0.47 | 35 | 1.99 | +http://www.linkdex.com/bots/ |
| 8 | 84 | 0.36 | 3 | 0.17 | +http://megaindex.com/crawler |
| 9 | 63 | 0.27 | 7 | 0.40 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 56 | 0.24 | 2 | 0.11 | Linux i586 [unknown version] |
| 11 | 16 | 0.07 | 2 | 0.11 | Windows 98 |
| 12 | 6 | 0.03 | 2 | 0.11 | +http://ahrefs.com/robot/ |
| 13 | 6 | 0.03 | 2 | 0.11 | MSIE 5.5; Windows NT 5.0 |
| 14 | 6 | 0.03 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 15 | 4 | 0.02 | 1 | 0.06 | +http://filterdb.iss.net/crawler/ |
| 16 | 4 | 0.02 | 2 | 0.11 | Intel Mac OS X 10.4 |
| 17 | 4 | 0.02 | 2 | 0.11 | Linux i686 [unknown version] |
| 18 | 4 | 0.02 | 2 | 0.11 | +info@netcraft.com |
| 19 | 4 | 0.02 | 2 | 0.11 | +http://www.meanpath.com/meanpathbot.htm... |
| 20 | 3 | 0.01 | 1 | 0.06 | Windows XP |
| 21 | 2 | 0.01 | 2 | 0.11 | Windows 95 |
| 22 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 23 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 24 | 1 | 0.00 | 1 | 0.06 | +http://domainmacro.com |
| 25 | 1 | 0.00 | 0 | 0.00 | +http://www.xovibot.net/ |
