Your page has an extremely large number of HTML elements (a large DOM). A complex DOM can slow down page rendering, increase memory usage, and make JavaScript interactions feel sluggish. Simplifying your HTML structure can lead to a noticeably faster and smoother experience.
A page with thousands of nested `<div>` elements.
Look for opportunities to simplify your HTML. Can you remove unnecessary wrapper elements? Can you use CSS Grid or Flexbox to achieve a layout with fewer elements? Also, consider lazy-loading or paginating long lists of content to keep the initial DOM size small.
A smaller, simpler DOM allows the browser to calculate layout and styles much faster. This can improve a wide range of performance metrics, including LCP and Interaction to Next Paint (INP).
This issue can affect your site's search engine rankings and user experience. Addressing it promptly helps ensure optimal performance and visibility in search results.
Black SEO Analyzer automatically checks for this warning during site analysis, along with hundreds of other technical SEO issues.
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