[{"data":1,"prerenderedAt":71},["ShallowReactive",2],{"\u002Fglossary\u002Ftime-to-interactive-tti":3,"\u002Fglossary\u002Ftime-to-interactive-tti:related":54},{"id":4,"title":5,"author":6,"authorImage":7,"body":8,"category":39,"date":40,"description":41,"draft":42,"extension":43,"letter":44,"meta":45,"navigation":46,"path":47,"readTime":48,"related":49,"seo":50,"stem":52,"term":17,"__hash__":53},"glossary\u002Fglossary\u002Ftime-to-interactive-tti.md","Time to Interactive (TTI)","Fabian Krumbholz","\u002Fimages\u002Fauthors\u002Ffabian-krumbholz.webp",{"type":9,"value":10,"toc":35},"minimark",[11],[12,13,14,18,19,22,23,26,27,30,31,34],"p",{},[15,16,17],"strong",{},"Time to Interactive"," is a performance metric that measures the time it takes for a page to become fully and reliably responsive to user input. It marks the point where the page has displayed useful content (",[15,20,21],{},"FCP",") and the ",[15,24,25],{},"Main Thread"," is free of any ",[15,28,29],{},"Long Tasks"," that would prevent it from responding to an interaction quickly. While it was a key lab metric for many years, ",[15,32,33],{},"INP"," has now superseded it as the official Core Web Vital for measuring interactivity.",{"title":36,"searchDepth":37,"depth":37,"links":38},"",2,[],null,"April 8, 2026","Time to Interactive is a performance metric that measures the time it takes for a page to become fully and reliably responsive to user input.",false,"md","T",{},true,"\u002Fglossary\u002Ftime-to-interactive-tti","1 min read",[],{"title":51,"description":41},"Time to Interactive (TTI): Definition | Web Performance Glossary","glossary\u002Ftime-to-interactive-tti","8J2zXhYMVShwovMzMFAj1BM2ZroQMeLZ8WY1kQWtdeQ",[55,59,63,67],{"path":56,"title":57,"description":58,"letter":44},"\u002Fglossary\u002Ftag-manager","Tag Manager","A tag manager (like Google Tag Manager) is a system that allows marketing and business teams to add and manage third-party marketing tags (snippets of code for analytics, advertising, etc.) on a we…",{"path":60,"title":61,"description":62,"letter":44},"\u002Fglossary\u002Fthird-party-scripttool","Third-Party Script\u002FTool","A third-party script or tool is any piece of code, functionality, or service that is provided by an external vendor and integrated into a website.",{"path":64,"title":65,"description":66,"letter":44},"\u002Fglossary\u002Fthrottling-cpu-network","Throttling (CPU & Network)","Throttling is a technique used in Lab Data tools (like Lighthouse) to simulate how a website would perform on slower devices or less reliable network connections.",{"path":68,"title":69,"description":70,"letter":44},"\u002Fglossary\u002Ftime-to-first-byte-ttfb","Time To First Byte (TTFB)","A foundational web performance metric measuring the time from when a user makes a request to when their browser receives the very first byte of the HTML response.",1787756716424]