Vanilla lazyload JS

Transform all Youtube.com iframes to youtube nocookie link and iframe + lazyload + use data-src Transform all images src to data-src + lazyload and ModalEnabled https://github.com/verlok/vanilla-lazyload

loading="lazy" browser native support

https://caniuse.com/loading-lazy-attr

demo

https://codepen.io/Florian-Prache/full/YzoqJBj

More tips?

https://altitude-dev.com/fr/news