Examples
Responsive Image (Recommended)
Let's the browser pick the exact right image for the screen size so it loads as fast as possible.

Image HTML
<!-- Reference Docs: https://vumbnail.com -->
<img
    srcset="
        https://vumbnail.com/621585396.jpg 640w, 
        https://vumbnail.com/621585396_large.jpg 640w, 
        https://vumbnail.com/621585396_medium.jpg 200w, 
        https://vumbnail.com/621585396_small.jpg 100w
    "
    sizes="(max-width: 640px) 100vw, 640px"
    src="https://vumbnail.com/621585396.jpg"
    alt="Vimeo Thumbnail"
/> Coming Soon 
Animated Thumbnail Example
 Pro 
An animated preview thumbnail of the Vimeo video.
Join WaitlistAnimated Thumbnail HTML
                <!-- You're clever. This is just filler code for now, but since you found this here's something special for you: https://forms.gle/uPY9odQvVJwmNsYj6 -->
                <video autoplay muted loop playsinline preload="none">
                    <source src="https://vumbnail.com/media/breathtaking.mp4" type="video/mp4">
                </video>
            

