[{"data":1,"prerenderedAt":66},["ShallowReactive",2],{"\u002Fglossary\u002Furl-parameter":3,"\u002Fglossary\u002Furl-parameter:related":48},{"id":4,"title":5,"author":6,"authorImage":7,"body":8,"category":33,"date":34,"description":35,"draft":36,"extension":37,"letter":38,"meta":39,"navigation":40,"path":41,"readTime":42,"related":43,"seo":44,"stem":46,"term":5,"__hash__":47},"glossary\u002Fglossary\u002Furl-parameter.md","URL Parameter","Fabian Krumbholz","\u002Fimages\u002Fauthors\u002Ffabian-krumbholz.webp",{"type":9,"value":10,"toc":29},"minimark",[11],[12,13,14,15,19,20,24,25,28],"p",{},"A ",[16,17,18],"strong",{},"URL parameter"," (also known as a query string) is the part of a URL that follows a question mark (",[21,22,23],"code",{},"?","), used to pass data to the server (e.g., ",[21,26,27],{},"?utm_source=google","). Parameters used for tracking, sessions, or analytics can be problematic for caching, as they create many unique URLs that all point to the same content, reducing the cache-hit ratio. Speed Kit can be configured to ignore specific, non-essential parameters, allowing it to treat these different URLs as a single cacheable item.",{"title":30,"searchDepth":31,"depth":31,"links":32},"",2,[],null,"April 8, 2026","A URL parameter (also known as a query string) is the part of a URL that follows a question mark (?), used to pass data to the server (e.g., ?utm_source=google).",false,"md","U",{},true,"\u002Fglossary\u002Furl-parameter","1 min read",[],{"title":45,"description":35},"URL Parameter: Definition | Web Performance Glossary","glossary\u002Furl-parameter","gd-IHEuSLdsxkhsrOMyiEOQbtaazKOpoccsfHFsN1O8",[49,53,57,62],{"path":50,"title":51,"description":52,"letter":38},"\u002Fglossary\u002Fuser-experience-ux","User Experience (UX)","User Experience (UX) is the overall perception and feeling a person has when interacting with a product, system, or service, such as a website.",{"path":54,"title":55,"description":56,"letter":38},"\u002Fglossary\u002Fuser-timing","User Timing","User Timing is a browser API that allows developers to create custom, application-specific timestamps in their code to measure the performance of certain operations.",{"path":58,"title":59,"description":60,"letter":61},"\u002Fglossary\u002Fa-b-testing","A\u002FB Testing","A\u002FB testing is a method of comparing two versions of a webpage to see which one performs better. For example, an e-commerce store might show 50% of its visitors a green \"Buy Now\" button (Version A)…","A",{"path":63,"title":64,"description":65,"letter":61},"\u002Fglossary\u002Favif","AVIF","AVIF (AV1 Image File Format) is a modern, next-generation image format that provides significantly better compression than older formats like JPEG and WebP.",1787756716531]