The breadth and depth of knowledge to absorb in the web performance space is ridiculous. At a minimum, I'm discovering something new nearly every week. Case in point: The
Save-Data header, which I discovered via a Google Developers article by Ilya Grigorik.
If you're looking for the tl;dr version of how
Save-Data works, let me oblige you: If you opt into data savings on the Android version of Chrome (or the Data Saver extension on your desktop … Read article