.net - Asp.net MVC3 web application server response time issue -

my site taking on 5 seconds load, other sites hosted on same server working fine , opening fast. pointed same dns.

i using same connection helper class open connection ms sql express 2008 express r2 (sp1) sites:

public class connectionhelper : iconnectionhelper {     public objectcontext connection     {                 {             if (_connection == null && httpcontext.current.items["dbactivecontext"] != null)             {                 _connection = (cpusortentities)httpcontext.current.items["dbactivecontext"];             }             else             {                 _connection = new cpusortentities(connectionstring);                 //httpcontext.current.items.add("dbactivecontext", _connection);                 httpcontext.current.items["dbactivecontext"] = _connection;             }             return _connection;         }     }     private objectcontext _connection;      public string connectionstring     {                 {             return configurationmanager.connectionstrings["cpusortentities"].tostring();         }     } } 

i have tried in iis 7.5, increased worker processes 2 make web garden no luck.

any should do? please me out, thanks