<img Width="600" Height="300" Src="https://i0.w... «UHD»

: By defining the size in the code, the browser reserves the correct amount of space for the image before it finishes loading. This prevents the rest of your page content from "jumping" or shifting around once the image appears, improving the Cumulative Layout Shift (CLS) .

The HTML code you provided is used to display an image on a webpage with a specific fixed size of . <img width="600" height="300" src="https://i0.w...

의 width/height 속성과 페이지 렌더링의 상관관계 - junglast : By defining the size in the code,