Something seems wrong when i browse my site with IE 9-8-7. It is rendered perfectly with Chrome, Safari, Firefox and Opera. What can be the reason? Thank you.
Wrong View In Internet Explorer

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Having stuff before the doctype is throwing IE into Quirks Mode, which is the reason your site is not displaying properly in IE.
More importantly, your site appears to have been hacked. Browsing to hxxp://bit.ly/vjqJ4w takes you somewhere you probably don’t want to go.