According to (https://developers.google.com/web/tools/lighthouse/audits/dom-size), an optimal DOM tree has the following properties: -Has less than 1500 nodes total. -Has a maximum depth of 32 nodes. -Has no parent node with more than 60 child nodes. We can use this devtool to analyze a pages DOM to easily find out which parts of the page are adding weight to it. ****NEW***** Scrolling the DOM element into view and highlighting it when hovered in this devtool.
You can Follow the below Step By Step procedure to install the Dom Size Analyzer Chrome Extension to your Chrome Web browser.
It is the Dom Size Analyzer Chrome extension download link you can download and install Chrome Browser.
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