ReasonJun

img => The web page may not load the image immediately, but only when the user triggers an event to view the image. => The browser shows the optimized picture according to the status of the web page the user is viewing (considering size, sharpness, etc.). picture or "(min-width: 800px)" or "(min-width: 500px)" "(min-height)" or media="(orientation: portrait) and (min-width: 800px)" ⇒ You can dec..