Yii, Best pratice to include jquery, js and css files : <?php Yii :: app () -> clientScript -> registerCoreScript ( 'jquery' ); ?> <?php Yii :: app () -> clientScript -> registerCssFile (Yii :: app () -> baseUrl . '/css/style.css' ); ?> <?php Yii :: app () -> clientScript -> registerScriptFile (Yii :: app () -> baseUrl . '/js/star_rating.js' ); ?>