Detail is preserved in responsive images

Let’s say the viewport on a user’s phone is 500 pixels wide and your uncompressed image is 1200 pixels wide. You wouldn’t want to serve such a large image on mobile, so perhaps you’d resize it to 500 pixels. But if the image has important details and the user zooms it, it will look pixelated. With PhotoSwipe, when the user taps the small image (500 pixels), the large one will load (1200 pixels), thus preserving all of the detail.

Compared to an inline horizontal JavaScript gallery

PhotoSwipe will not slow the page from loading, because you can defer loading the gallery’s JavaScript file or even load it after the user has clicked the “Open gallery” button.

Compared to a list of images, one after another

PhotoSwipe saves users’ bandwidth because it doesn’t load all images at once — just nearby images according to the user’s direction of movement. Also, it occupies less space on the page, and you can directly link to individual images in a gallery.

總結

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