How to fix repeating contents in magento?

[ronwizfr]

I want performance my magento store website, but my homepage content repeating, then i put this code to \app\code\core\Mage\Catalog\Block\Product\List.php file.\[code\] protected function _construct() { $this->addData(array( 'cache_lifetime' => 900, 'cache_tags' => array(Mage_Catalog_Model_Product::CACHE_TAG), 'cache_key' => $this->getCacheKey() )); } public function getCacheKey() { return $this->getRequest()->getRequestUri().$this->getCacheCurrencyCode(); }//retreive current currency codepublic function getCacheCurrencyCode() { return Mage::app()->getStore()->getCurrentCurrencyCode(); } \[/code\]So after this code when i go to my homepage i saw repeating three times best seller content (1 image show).http://ikelk.lt/i/131171/o_afb38c9691.JPG Bad homepage.http://ikelk.lt/i/131172/o_568243b784.JPG Good homepage.Thanks for the help.