Third-party resources are often used for displaying ads or videos and integrating with social media. The default approach is to load third-party resources as soon as the page loads, but this can unnecessarily slow the page load. If the third-party content is not critical, this performance cost can be reduced by lazy loading it. This audit highlights third-party embeds which can be lazily loaded on interaction. In that case, a facade is used in place of the third-party content until the user inte...