NitroPack automatically lazy loads all images, iFrames, and videos from YouTube and Vimeo;
It also lazy loads all background images, even those defined in CSS. It detects declarations in external files multiple levels down an import chain. This is especially useful for certain WordPress themes;
Furthermore, NitroPack lazy loads multiple slider images as well.
All of our lazy loading features are enabled by default. You don’t need to configure anything.
You can read more on the topic in our detailed article about lazy loading here: