Lazy Load Vimeo Video Player Until You Click The Thumbnail – Vimeo LazyLoad
Vimeo LazyLoad loads Vimeo video player on-demand when the user clicks on the play button & thumbnail image.
JavaScript & CSS vimeo
Responsive Youtube/Vimeo Video Lightbox With Vanilla JavaScript – MediaBox
MediaBox is an easy and lightweight vanilla JavaScript library which displays and plays Youtube or Vimeo videos in a fullscreen, responsive, modal-like lightbox popup.