What is a viewport really? The term viewport refers to the size of the window or the area visible on the screen. In general, this term is used to refer to displays on mobile devices such as smartphones and tablets. A more specific meaning of the term viewport refers to the meta element in HTML5, which plays a crucial role in optimizing mobile devices. This element dimensions the displayed content in such a way that the screen size can be used effectively. In this case, the meta-element viewport screen ensures that all content is displayed in the same readability and accuracy on screens of different sizes. The viewport element adapts web pages to the length and width of the screen so that mobile browsers can display all content correctly.

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