I run a couple of small tool sites on one cheap VPS, and the homepage of one of them has a 2736×1824 landscape photo at the top. It's a Wikimedia Commons picture I found and scaled down. A friend opened the page on a slow mobile connection and told me the image crawled in from the top, strip by...
Source: [Dev.to](https://dev.to/shu_jing_915fa287b22539ad/browsers-only-export-baseline-jpeg-so-progressive-is-a-server-job-2icg)