Web Analytics
Performance
Track Core Web Vitals and site speed
The Performance tab tracks Core Web Vitals from real user data.
Enabling Performance Tracking
Enable Web Vitals in your site settings.
Web Vitals
Largest Contentful Paint (LCP)
How long the main content takes to load.
- Good: Under 2.5 seconds
- Needs Improvement: 2.5-4 seconds
- Poor: Over 4 seconds
Cumulative Layout Shift (CLS)
How much content jumps around while loading.
- Good: Under 0.1
- Needs Improvement: 0.1-0.25
- Poor: Over 0.25
Interaction to Next Paint (INP)
How quickly your site responds to user interactions.
- Good: Under 200ms
- Needs Improvement: 200-500ms
- Poor: Over 500ms
First Contentful Paint (FCP)
How long until the first content appears.
- Good: Under 1.8 seconds
- Needs Improvement: 1.8-3 seconds
- Poor: Over 3 seconds
Time to First Byte (TTFB)
How long until the server responds.
- Good: Under 800ms
- Needs Improvement: 800-1800ms
- Poor: Over 1800ms
Percentile Selector
Choose which percentile to view (p50, p75, p90, p95, p99). The p75 is commonly used for Core Web Vitals assessment.
Comparison
Each metric shows the change from the previous period, with green indicating improvement and red indicating degradation.
Breakdowns
- By Page - Find your slowest pages
- By Device - Compare mobile vs desktop performance
- By Browser - Identify browser-specific issues
- By Country - See geographic performance differences