After you fix it
Start tracking in the report to begin a 28-day monitoring period. Field data updates slowly, so judge the fix on the next month of visits.
Fixing failing Core Web Vitals
Core Web Vitals measure loading (LCP), responsiveness (INP) and visual stability (CLS) from real Chrome visits. Find which metric fails and on which group of pages, then fix that cause rather than chasing a lab score.
Diagnose it
Symptoms, checks and fixes
Common symptoms
- URL groups marked "Poor" or "Need improvement" in the Search Console Core Web Vitals report.
- Pages feel slow, laggy after a tap, or jump around while loading.
Checks to run
| Check | How to tell | Fix |
|---|---|---|
| Which metric fails? | Open the Core Web Vitals report and read the issue for each URL group. A group takes the worst status of its metrics. | Work on the failing metric only; passing metrics need no change.[1] |
| Against which thresholds? | Good means LCP of 2.5 seconds or less, INP of 200 milliseconds or less and CLS of 0.1 or less, at the 75th percentile of visits. | Aim each failing metric at the good threshold for most visitors, not just your own fast connection.[2][1] |
| Is there enough real-user data? | Low-traffic sites can show "not enough data" because the report uses Chrome UX Report field data. | Use lab tools to find problems in the meantime, and judge progress on field data once it exists.[1][3] |
| Which page type is affected? | The report groups URLs with a similar experience. Open a group to see example URLs. | Fix the shared template, which fixes every page in the group at once.[1] |
FAQ
Frequently asked questions
How we work together
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Sources
- [1] Search Console Help: Core Web Vitals report. Checked 10 October 2026.
- [2] Web Vitals (web.dev). Checked 9 October 2026.
- [3] Chrome UX Report methodology. Checked 9 October 2026.
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