The Audio Graphs API has some very nice features aside from being able to consume the graph as audio. You can give it a summary and it will also provide your users with trends, correlations, outliers... and statistics like min and max or the mean.
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Anything representing a heading in the app should have the header trait. It allows for a faster way of exploring a screen and jumping to the part of the app you are interested in. Screens should also start with a header.
Hacks are accessibility’s worst enemy. An example. There is a ‘trick’ floating on the internet: if you want a button with an icon to the right of the text, set the semantic content attribute to force right to left. Great way to create focus traps.
