If you're using a lot of bower and npm assets with Yii 2.0 you might encounter long running composer update tasks.
Yii Framework Wiki
Wiki articles tagged with "assets"
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Boost composer-asset-plugin update speed
Yii2cdn Component
A Yii Framework 2 component for using assets in different environments (Local/CDNs)
`forceCopy` per Asset Bundle
During development and depending on your setup you may need to use the options forceCopy or
linkAssets of the asset manager to work around possible file-system and permission issues.
Use minified version of JqueryAsset, BootstrapAsset (and all default assets)
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.
Overcoming removal of client helpers (e.g. ajaxLink) and ClientScript in Yii 2.0
Alternatively, inline assets (JS/CSS) can be registered at runtime from within the View.
For example you can clearly simulate the ajaxLink feature using a inline javascript. Its however recommended if you can merge where possible, client code (JS/CSS) into separate JS/CSS files and loaded through the AssetBundle. Note there is no more need of a CClientScript anymore: