performance

CLS Too High

Cumulative Layout Shift.*(?:0\.1|0\.25).*exceeded

Fixes

1.Add width/height attributes to images and videos
2.Reserve space for dynamic content with aspect-ratio
3.Avoid inserting content above existing content

performanceclscore-web-vitals

Related Errors

performance3 fixes

LCP Too Slow

Largest Contentful Paint.*exceeded.*(?:2500|4000)ms

•Preload critical images and fonts
•Optimize server response time (TTFB)

performance3 fixes

TTI Too Slow

Time to Interactive.*exceeded.*(?:3800|7300)ms

•Code-split and lazy load non-critical JavaScript
•Reduce main thread blocking time

performance3 fixes

Bundle Size Limit Exceeded

Bundle size.*exceeded.*limit|maxSize.*budget exceeded

•Analyze bundle with webpack-bundle-analyzer
•Code-split routes and heavy dependencies