Core Web Vitals
Core Web Vitals is an SEO topic covered in SeoWiki.
Key takeaways
- Core Web Vitals measure real-world user experience, not just lab performance.
- The three metrics are LCP, INP, and CLS.
- LCP measures loading performance; Google recommends keeping it at 2.5 seconds or less.
For SEO practitioners, Core Web Vitals are part of Google's page experience signals and can influence search performance, especially when pages deliver poor real-world UX. They are also practical diagnostics for identifying whether a site loads slowly, responds sluggishly, or shifts content unexpectedly.
Example
Core Web Vitals measure real-world user experience, not just lab performance.
Quick start
- Define the goal for this topic.
- Check the live SERP format.
- Improve one page that matches the intent.
- Measure in Google Search Console.
Common mistakes
- Treating the topic as a one-time task
- Ignoring search intent
- Copying tactics without checking your SERP
Next step
Related topics
Sources
- Google Search Central — Understand Core Web Vitals and Google Search results — Primary source for definitions, thresholds, and Search relevance.
- Google Search Central — Core Web Vitals report — Official explanation of how Google measures and reports CWV in Search Console.
- Google Search Central blog / documentation on INP — Best source for the FID-to-INP change and current metric guidance.
Reviewed by Lucía Marín, Founding editor.