TTI (Time to Interactive)

Time to Interactive, acronym TTI, is a performance metric that measures the time it takes for a web page to become fully interactive and responsive to user actions.

A page is considered interactive when it has loaded essential visual elements, event handlers are active, and the user can interact with the page without significant delay.

TTI is an important aspect of website performance optimization, as a long time before interactivity can frustrate users and lead to a higher abandonment rate.