[{"data":1,"prerenderedAt":64},["ShallowReactive",2],{"\u002Fglossary\u002Fuser-timing":3,"\u002Fglossary\u002Fuser-timing:related":46},{"id":4,"title":5,"author":6,"authorImage":7,"body":8,"category":31,"date":32,"description":33,"draft":34,"extension":35,"letter":36,"meta":37,"navigation":38,"path":39,"readTime":40,"related":41,"seo":42,"stem":44,"term":5,"__hash__":45},"glossary\u002Fglossary\u002Fuser-timing.md","User Timing","Fabian Krumbholz","\u002Fimages\u002Fauthors\u002Ffabian-krumbholz.webp",{"type":9,"value":10,"toc":27},"minimark",[11],[12,13,14,17,18,22,23,26],"p",{},[15,16,5],"strong",{}," is a browser API that allows developers to create custom, application-specific timestamps in their code to measure the performance of certain operations. By using ",[19,20,21],"code",{},"performance.mark()"," and ",[19,24,25],{},"performance.measure()",", you can track durations that are meaningful to your specific application, such as the time it takes for a key component to render or an API call to complete.",{"title":28,"searchDepth":29,"depth":29,"links":30},"",2,[],null,"April 8, 2026","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.",false,"md","U",{},true,"\u002Fglossary\u002Fuser-timing","1 min read",[],{"title":43,"description":33},"User Timing: Definition | Web Performance Glossary","glossary\u002Fuser-timing","O2DWmv7Hg59yRtVjF-VHKC1scMc63eyn_oEyqjm4r-o",[47,51,55,60],{"path":48,"title":49,"description":50,"letter":36},"\u002Fglossary\u002Furl-parameter","URL Parameter","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).",{"path":52,"title":53,"description":54,"letter":36},"\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":56,"title":57,"description":58,"letter":59},"\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":61,"title":62,"description":63,"letter":59},"\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.",1787756716537]