Another option is lazy loading external content. For example for YouTube https://webdesign.tutsplus.com/tutorials/how-to-lazy-load-embedded-youtube-videos--cms-

Another option is lazy loading external content. For example for YouTube https://webdesign.tutsplus.com/tutorials/how-to-lazy-load-embedded-youtube-videos--cms-26743 https://webdesign.tutsplus.com/tutorials/how-to-lazy-load-em...