There's a demo you're missing here because JavaScript or inline SVG isn't available. I like using diagrams as a way of showing information flow or browser behaviour, but large diagrams can be daunting at first glance. When I gave talks about the Application Cache and rendering performance I started with a blank screen and made the diagrams appear to draw themselves bit by bit as I described the pr
![Animated line drawing in SVG](https://cdn-ak-scissors.b.st-hatena.com/image/square/275edb50d473e8e4acd3a8035eef743809f96ee2/height=288;version=1;width=512/https%3A%2F%2Fjakearchibald.com%2Fc%2Ficon-d166b7f8.png)