For a store, the fastest “page builder” is the one built into WordPress – the block editor – extended with a lightweight block plugin.
Heavy drag-and-drop builders like Elementor and Divi are popular because they’re easy, but they add a lot of extra code and slow WooCommerce down – a real cost on product and checkout pages where speed converts. For most stores that trade-off isn’t worth it.
The faster route is WordPress’s native Gutenberg block editor, extended with a lean block library such as GenerateBlocks. You get flexible, visual layout building without the performance penalty, and cleaner markup that’s better for both speed and AI/search extraction.
If you’ve already built on Elementor or Divi and your store is slow, that’s often a big part of why – and it’s fixable. More: best theme for WooCommerce · how to speed up WooCommerce