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I often see a large number of 1*1piexls sized pictures on some portal websites. What is the main function of such pictures?
If there are multiple 1*1piexls images on a certain page, that is, there are multiple HTTP requests, is it feasible to modify them all to reference the same 1*1piexls image?
Used as background image
But 1*1piexls The picture cannot be seen on the page at all
But the picture of 1*1piexls cannot be seen on the page at all
It can be seen after tiling One page Are the multiple 1*1piexls images used as background images? So why not use one?
It saves space, and if the page is large, you only need to tile multiple pages without cropping the size
Oh, I understand, thank you both;