[{"data":1,"prerenderedAt":65},["ShallowReactive",2],{"\u002Fglossary\u002Fpagespeed-insights-psi":3,"\u002Fglossary\u002Fpagespeed-insights-psi:related":48},{"id":4,"title":5,"author":6,"authorImage":7,"body":8,"category":32,"date":33,"description":34,"draft":35,"extension":36,"letter":37,"meta":38,"navigation":39,"path":40,"readTime":41,"related":42,"seo":43,"stem":45,"term":46,"__hash__":47},"glossary\u002Fglossary\u002Fpagespeed-insights-psi.md","PageSpeed Insights (PSI)","Fabian Krumbholz","\u002Fimages\u002Fauthors\u002Ffabian-krumbholz.webp",{"type":9,"value":10,"toc":28},"minimark",[11],[12,13,14,15,19,20,23,24,27],"p",{},"PageSpeed Insights is a free tool from Google that analyzes the performance of a single webpage and provides suggestions for improvement. A key feature of PSI is that it reports both ",[16,17,18],"strong",{},"Lab Data"," from a simulated Lighthouse test and ",[16,21,22],{},"Field Data"," from the ",[16,25,26],{},"CrUX (Chrome User Experience Report)"," for the given URL, if available. This provides a holistic view, showing both a reproducible diagnostic score and the actual performance experienced by real users over the last 28 days.",{"title":29,"searchDepth":30,"depth":30,"links":31},"",2,[],null,"April 8, 2026","PageSpeed Insights is a free tool from Google that analyzes the performance of a single webpage and provides suggestions for improvement.",false,"md","P",{},true,"\u002Fglossary\u002Fpagespeed-insights-psi","1 min read",[],{"title":44,"description":34},"PageSpeed Insights (PSI): Definition | Web Performance Glossary","glossary\u002Fpagespeed-insights-psi","PageSpeed Insights","XRoRojFjwmJINbD8ikPY04UqBREpCMF56JGuneUZDbg",[49,53,57,61],{"path":50,"title":51,"description":52,"letter":37},"\u002Fglossary\u002Fpage-load","Page Load","Page Load refers to the entire process of a webpage becoming visible and interactive for a user, from the initial navigation request to the final rendering of content.",{"path":54,"title":55,"description":56,"letter":37},"\u002Fglossary\u002Fpage-views-pis","Page Views (PIs)","Page Views is a metric that counts the total number of times a page on a website has been loaded or viewed by users. It is a fundamental measure of traffic and engagement.",{"path":58,"title":59,"description":60,"letter":37},"\u002Fglossary\u002Fpassthrough-mode","Passthrough Mode","Passthrough Mode is a temporary, protective state that Speed Kit enters when its Deployment Detection mechanism identifies a major website update.",{"path":62,"title":63,"description":64,"letter":37},"\u002Fglossary\u002Fperiodic-updates","Periodic Updates","This is a scheduled, time-based mechanism that Speed Kit uses to keep its cache fresh. It can be configured to automatically re-check and update specific pages or assets at regular intervals (e.g.…",1787756715322]