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5. Reduce HTML Element Nesting
Reduce unnecessary nesting of HTML elements:
- Simplify the structure of your pages by avoiding deeply nested elements, especially in menus and footers.
- Consider flattening your HTML structure by reducing the levels of nesting in lists, forms, and complex layouts.
6. Optimize Menu and Footer Widgets
If your navigation or footer contains numerous elements (such as menus with multiple submenus or widgets), try to optimize:
- Limit Depth of Navigation Menus: Reduce the number of submenus to avoid excessive nesting.
- Optimize Widget Usage: Ensure that your widget areas (especially footers) aren’t bloated with excessive elements.
7. Enable Browser Caching
While this does not directly reduce the DOM size, enabling browser caching can improve the time it takes to load the DOM, reducing the perceived impact of a larger DOM size. You can use plugins like W3 Total Cache or WP Rocket for this purpose.
