Hyva theme offers various benefits that make it better than other Magento 2 themes like (Luma)
Hyvä theme involves less code compared to the default Magento theme, Luma. TailwindCSS allows developers to create small and efficient CSS files that only contain sure-shot directives needed to be used. It also minimizes the use of JavaScript, which makes Magento store faster than usual. Hyva theme also uses a low number of layout blocks.
Read More: Hyvä Vs Luma: Real Comparison of Magento 2 Themes!