[{"data":1,"prerenderedAt":57},["ShallowReactive",2],{"\u002Fglossary\u002Ftime-to-live-ttl":3,"\u002Fglossary\u002Ftime-to-live-ttl:related":40},{"id":4,"title":5,"author":6,"authorImage":7,"body":8,"category":24,"date":25,"description":26,"draft":27,"extension":28,"letter":29,"meta":30,"navigation":31,"path":32,"readTime":33,"related":34,"seo":35,"stem":37,"term":38,"__hash__":39},"glossary\u002Fglossary\u002Ftime-to-live-ttl.md","Time-to-Live (TTL)","Fabian Krumbholz","\u002Fimages\u002Fauthors\u002Ffabian-krumbholz.webp",{"type":9,"value":10,"toc":20},"minimark",[11],[12,13,14,15,19],"p",{},"Time-to-Live is a setting for a piece of content in a cache that specifies how long it should be considered \"fresh.\" After the TTL expires, the caching system knows it must re-validate the content with the ",[16,17,18],"strong",{},"Origin Server"," on the next request to see if it has changed. A well-configured TTL is essential for balancing performance (serving content from cache) with content freshness.",{"title":21,"searchDepth":22,"depth":22,"links":23},"",2,[],null,"April 8, 2026","Time-to-Live is a setting for a piece of content in a cache that specifies how long it should be considered \"fresh.\" After the TTL expires, the caching system knows it must re-validate the content…",false,"md","T",{},true,"\u002Fglossary\u002Ftime-to-live-ttl","1 min read",[],{"title":36,"description":26},"Time-to-Live (TTL): Definition | Web Performance Glossary","glossary\u002Ftime-to-live-ttl","Time-to-Live","JQwfZxhBWj1pXUCre9epu1wxd1L_6paZwHrNy-j4PCk",[41,45,49,53],{"path":42,"title":43,"description":44,"letter":29},"\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":46,"title":47,"description":48,"letter":29},"\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":50,"title":51,"description":52,"letter":29},"\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":54,"title":55,"description":56,"letter":29},"\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.",1787756716428]