Great explanation on how to generate and use as a background the smallest possible legitimate LCP image placeholder while waiting for our full-resolution image to arrive. While I admire the thoroughness of the article, I'm overcome by a feeling of sadness: I absolutely believe that this should be the role of a progressive image format, and not the shenanigans of front-end developers.

This is the story of how Beau Hartshorne and his team at Instant Domain Search improved their Core Web Vitals scores. Plus, an open-source tool they’ve built along the way.