performance

Time to First Byte Too Slow

TTFB.*exceeded.*(?:800|1800)ms

Fixes

1.Enable server-side caching (Redis/CDN)
2.Optimize database queries on critical path
3.Use CDN edge locations closer to users

performancettfbserver

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

CLS Too High

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

•Add width/height attributes to images and videos
•Reserve space for dynamic content with aspect-ratio

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