> ## Documentation Index
> Fetch the complete documentation index at: https://docs.vortexiq.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Website Performance (PageSpeed + CrUX) audit profile, Vortex IQ

> What the Vortex IQ Website Performance (PageSpeed + CrUX) health audit checks: Core Web Vitals & PageSpeed

**[Nerve Centre KPIs](/nerve-centre/kpi-cards/website-performance) · [Audit Profile](/nerve-centre/kpi-cards/website-performance/audit) · [Sentiment Settings](/nerve-centre/kpi-cards/website-performance/sentiment)**

Will audit Core Web Vitals (LCP, INP, CLS) per page using PageSpeed Insights API and CrUX.

## What this audit checks

### Core Web Vitals

* LCP \< 2.5s
* INP \< 200ms
* CLS \< 0.1

### Lab vs field

* Lab Lighthouse score
* Field CrUX 75th percentile alignment

### Performance issues

* Render-blocking resources
* Unused JavaScript
* Image format opportunities

## Data sources

* `GET https://www.googleapis.com/pagespeedonline/v5/runPagespeed` - Lab metrics + lighthouse audits
* `GET https://chromeuxreport.googleapis.com/v1/records:queryRecord` - CrUX field data