Question: i have a page made AJAX/HTTP Request and the result is JSON formatted .
using JQuery GET : 

```
$.get('..',{..},function(data){
   console.log('Hey Iam finish !');
},'JSON')

```

The problem is `console.log('Hey Iam finish !');` executed after many seconds (3>) as Firebug says . 

Server : WINDOWS IIS ( Unfortunately ) , PHP .

Server Code : 
i try to remove JSON and just echo :
`echo "HI";` 
the result is same . 

**UPDATE** 

Summary : Firebug says the AJAX request finish but result appear only after 3> seconds

Answer: 
The problem was in FireBug 1.8.4( FireFox 5/Linux Mint) it not give the accurate response time , i try firebug lite on chrome , and it give the accurate one .
I found problems with the JSON parsing causing script timeouts in IE. Using eval rather then JSON.parse was quicker. But only any good if you absolutely trust the source of the JSON i.e. it's from you. Even then it might not be a risk worth taking