SVG vs. GIF vs. Video
Sprite
Sprite with play control
Lottie: SVG renderer
Lottie: Canvas renderer
Lottie with play control
SVG as Image
Inline SVG and CSS
Perfomance test: Lottie
File size test: Video vs Lottie
GIF problems
Animated PNG
Flash

File size test: Video vs Lottie

And again the warnings:
Some modern browsers may block auto-playing of any video content.
Try to click on a stopped video.

HTML5 video MP4 1024x1024 pixels, 333kb

JSON animation 1024x1024 pixels, 22kb + 151kb the Lottie light library (one connection)

svgsprite.com