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Image source: Uncode\u2019s Blog Metro<\/p>\n

You would naturally like to be able to optimally display any image on any screen size. Simply because a theme advertises a responsive capability doesn\u2019t always mean it can always give you optimum results. Here is how Uncode\u2019s Adaptive Image System<\/strong> works to present an image on a device the way you want it to be presented.<\/p>\n

When a device wants to open a web page, it sends an http request. It does the same when it wants to open and display an image. It will in fact send an http request for each image that happens to be on a page; e.g.,10 images \u2013 \u00a010 http requests<\/strong>.<\/p>\n

Conventional wisdom would tell you that the best way to achieve optimum loading would be to somehow speed up the response times of these serial requests.<\/p>\n

The problem is, you don\u2019t control the server. The UNDSGN team that created Uncode thought differently. They thought in terms of applying an asynchronous rhythm to respond to browser requests.<\/p>\n

This is accomplished by enabling the code to loop through and request each image almost instantaneously, rather than waiting to hear back from the server before sending the next request.<\/p>\n

The bottom line is this: Asynchronous response enables browsers to download multiple images in parallel, even if the images are coming from different domains.<\/p>\n