About this Skill
Separate field data from lab traces, identify the affected metric and bottleneck, then use targeted guidance for loading, interaction or layout stability.
Why we picked it
Report observed results separately from unverified source-level hypotheses; real-world data and manual checks may be unavailable.
What it helps with
- Diagnose LCP, INP and CLS using real-user context and controlled browser evidence.
Before you use it
- Install the Skill and retain its bundled references. Browser, measurement or accessibility tools depend on the task; results depend on their availability.
Sources & references
Original sources are linked below. Practical starting points are editorial suggestions from SkillHey.
