Animated SVG

SVG animations are truely amazing. They work without javascript, are scalable and can be embedded almost everywhere. Despite that, they aren't really used much, most developers favour lottie - it's multiplatform and has better tooling available.
While there is a lot of possibilities with SVG animation, it isn't perfect. It's usually more cpu intensive than dedicated animation frameworks and there aren't really any editors available - your only choice is to write the XML yourself.
One major advantage of svg animation is it's size. It does not require any extra baggage to display in a browser and is just a regular text file, so it gets nicely compressed and does not impact the load time of your webpage. SVG animation is also widely supported, with all major browsers supporting it since 2012. Internet explorer, of course, does not support it, but I don't think we need to worry about it for much longer.
Simple animation I made by hand. Pure svg, without any css or js.
Making this animation was quite a hassle. I had to manually draw a path, measure it using SVGGeometryElement.getTotalLength() and type out the animation for it. This could be automated - the KanjiVG project is a database of stroke order for Japenese characters in the form of svg paths, and you could easily make outlines for latin letters.
There is still the problem of strokes "bleeding" into each other. This could be solved by putting each path into a mask of the finished stroke, but this would be hard to automate, as fonts have all their strokes combined. Maybe some basic computer vision can help here!