Page load speed is a critical factor in on-page SEO, affecting both user experience and search engine rankings. User Experience: Faster load times improve user satisfaction and reduce bounce rates. Mobile Optimization: Ensures a better experience for mobile users, who expect quick load times. Search Engine Rankings: Search engines favor faster-loading pages, leading to higher rankings. Conversion Rates: Faster pages lead to higher conversion rates as users are more likely to stay and complete desired actions.