Description: Time to Interactive (TTI) is a crucial metric in web performance optimization that measures the time interval from when a user requests a page until it becomes fully interactive. This means that all elements of the page, such as buttons, forms, and links, are available for the user to interact with without experiencing delays or blocking. A low TTI is essential for providing a smooth and satisfying user experience, as users tend to abandon pages that take too long to load or become interactive. Optimizing TTI involves various strategies, such as minimizing scripts, optimizing images, and using lazy loading techniques to ensure that resources load efficiently. In a world where page load speed can significantly influence conversion rates and user retention, TTI has become a key indicator of a website’s performance. Therefore, web developers and designers must pay special attention to this metric to improve usability and user satisfaction, which, in turn, can positively impact the overall success of a website.