During development and depending on your setup you may need to use the options
linkAssets of the asset manager to work around possible file-system and permission issues.
Alternatively, inline assets (JS/CSS) can be registered at runtime from within the
By default, Yii 2.0 chooses to use the non-minified version of Jquery and Bootstrap files (CSS and JS). However, there's a simple way to indicate Yii to use the minified version.