[{"data":1,"prerenderedAt":76},["ShallowReactive",2],{"\u002Fglossary\u002Fcache-hit-ratio":3,"\u002Fglossary\u002Fcache-hit-ratio:related":59},{"id":4,"title":5,"author":6,"authorImage":7,"body":8,"category":44,"date":45,"description":46,"draft":47,"extension":48,"letter":49,"meta":50,"navigation":51,"path":52,"readTime":53,"related":54,"seo":55,"stem":57,"term":5,"__hash__":58},"glossary\u002Fglossary\u002Fcache-hit-ratio.md","Cache Hit Ratio","Fabian Krumbholz","\u002Fimages\u002Fauthors\u002Ffabian-krumbholz.webp",{"type":9,"value":10,"toc":40},"minimark",[11],[12,13,14,15,19,20,23,24,27,28,31,32,35,36,39],"p",{},"The ",[16,17,18],"strong",{},"cache hit ratio"," is the percentage of requests that a ",[16,21,22],{},"cache"," can successfully serve from its stored content (a \"hit\"), as opposed to requests that it cannot fulfill and must pass on to the ",[16,25,26],{},"Origin Server"," (a \"miss\"). A high cache hit ratio is a primary indicator of an effective caching strategy, as it means more users are receiving a fast, cached response. Speed Kit uses several techniques to maximize this ratio, such as URL parameter handling. Specifically, it uses ",[16,29,30],{},"RUM"," data to intelligently ",[16,33,34],{},"pre-warm the cache",", fetching a site's most important pages onto the ",[16,37,38],{},"Fastly"," edge nodes before users even request them.",{"title":41,"searchDepth":42,"depth":42,"links":43},"",2,[],null,"February 2, 2026","The cache hit ratio is the percentage of requests that a cache can successfully serve from its stored content (a \"hit\"), as opposed to requests that it cannot fulfill and must pass on to the Origin Server (a \"miss\").",false,"md","C",{},true,"\u002Fglossary\u002Fcache-hit-ratio","1 min read",[],{"title":56,"description":46},"Cache Hit Ratio: Definition | Web Performance Glossary","glossary\u002Fcache-hit-ratio","qyUSps7SZ7bvBMu0HABAIiIKIEsHnsCmd3VbNsUcnGY",[60,64,68,72],{"path":61,"title":62,"description":63,"letter":49},"\u002Fglossary\u002Fcdn-content-delivery-network","CDN (Content Delivery Network)","A CDN, or Content Delivery Network, is a globally distributed network of servers designed to deliver web content to users quickly and efficiently.",{"path":65,"title":66,"description":67,"letter":49},"\u002Fglossary\u002Fcors-cross-origin-resource-sharing","CORS (Cross-Origin Resource Sharing)","CORS is a browser security feature that uses HTTP headers to manage whether a web page from one domain is allowed to fetch resources from another domain.",{"path":69,"title":70,"description":71,"letter":49},"\u002Fglossary\u002Fcpu-time","CPU time","CPU time is the amount of time the Central Processing Unit (CPU) of a user's device spends processing the scripts and rendering a webpage.",{"path":73,"title":74,"description":75,"letter":49},"\u002Fglossary\u002Fcache","Cache","A cache is a high-speed, temporary storage layer designed to store copies of website files (like HTML, images, and scripts) closer to the user.",1787756713188]