We have seen that there can be many reasons for users to opt-in to save-data, and that the performance delivered to devices doesn’t (yet) vary much based on the hint. A lack of awareness from both developers and web users mean that a potentially valuable web platform feature is under utilized.

Collection of data visualizations to get inspired and finding the right type.

"Vega is a visualization grammar, a declarative format for creating, saving and sharing visualization designs.
With Vega you can describe data visualizations in a JSON format, and generate interactive views using either HTML5 Canvas or SVG."