some issues in my website.

Hi,
I want you to have a look on my site and tell me if there is any issue found by you.
Site is www[dot]bigster[dot]in
Issues i am facing.

1. facebook like button doesn't loads sometimes.
2. page continues to show loading even if all the content has been visible.
3. speed

I am using wordpress 3.1 with atahualpa 3.6.4.
Please check the page if you feels i have configured something wrong.
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This is one more issue.