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To reduce the DOM size so that it does not negatively affect web performance, you must remove all HTML elements that are not necessary.
#How to reduce page size in facebook how to#
How to technically reduce the size of the DOM? If the DOM tree is too large, the browser may need more memory to process it. As users and scripts interact with a page, the browser must continually recalculate the HTML tags’ position and style. If the DOM is excessively large, it often includes HTML elements that are not visible the first time the user loads the page, unnecessarily increasing data consumption and making the site load more slowly. Network efficiency and load performance.
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An excessively large DOM can slow down the Website speed, as it has the following impacts: The truth is that the size of the DOM affects the performance of a page. How does the DOM size affect your web performance? The JavaScript code can access that DOM and modify it. In other words, when the browser prepares a page to show us, it builds an object tree made up of all the elements of a page based on its HTML structure.Į very time the browser receives an HTML document, it has to convert it into this tree-like structure, which we call DOM or DOM tree. The DOM represents the page’s HTML structure as a tree, made up of a series of tags. The structure is similar to a tree since there is the main object on which other secondary items depend. It is a hierarchical structure in which there are different objects, some of which depend on others. It owes its name to the acronym Document Object Model. Simply put, when we talk about the DOM, we are referring to the structure of the objects that the browser generates every time it loads a page.
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How does the DOM size affect your web performance?.