Ship the right image for the slot
Decide when to use responsive image candidates, art direction, dimensions, and lazy loading.
Hero image The office photo is huge on mobile, crops out the people, and shifts the first job card when it loads. A responsive image decision must protect meaning, speed, and stability at the same time. Image decision path Slot -> meaning -> candidates -> loading Start with the rendered slot and crop meaning, then choose image candidates, reserve dimensions, and defer only non-critical assets. One big JPEG Simple to implement, expensive for users. The browser can select a useful file, and the layout stays stable. Responsive images are content, performance, and layout decisions combined. 01 Meaning 02 Candidates 03…
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