How to interpret Vue Components
summary
Claim: instrument Vue component lifecycle to get field-level performance traces that explain slow pages beyond Web Vitals. Implementation: hooks and instrumentation via mixins capture mount and update times, create spans stacked into transactions, and feed a dashboard (Century / Sentry or open‑source code). Evidence: a welcome component shows 600ms continuous JS evaluation, sampling reduces overhead, and selective instrumentation avoids slowing large apps while pinpointing which component causes long LCP heuristics to mislead.
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chapters (6)
- 0:00Know Your Components
- 0:57Performance is Important!
- 1:47Web Vitals
- 3:25Tracking Components
- 4:23How to set it up?
- 6:37Summary
