Documentation Index
Fetch the complete documentation index at: https://revlytics.co/docs/llms.txt
Use this file to discover all available pages before exploring further.
Tracked metrics
Revlytics automatically captures all five Web Vitals:| Metric | Name | Good | Needs Improvement | Poor |
|---|---|---|---|---|
| LCP | Largest Contentful Paint | ≤ 2.5s | ≤ 4.0s | > 4.0s |
| FID | First Input Delay | ≤ 100ms | ≤ 300ms | > 300ms |
| CLS | Cumulative Layout Shift | ≤ 0.1 | ≤ 0.25 | > 0.25 |
| FCP | First Contentful Paint | ≤ 1.8s | ≤ 3.0s | > 3.0s |
| TTFB | Time to First Byte | ≤ 800ms | ≤ 1.8s | > 1.8s |
No configuration needed
Web Vitals are tracked automatically using the browser’sPerformanceObserver API. The script sends a web_vitals event once all metrics are available.
Dashboard
View your Web Vitals in Dashboard → Web Vitals. The dashboard shows:- p75 values — The 75th percentile for each metric (Google’s recommended measurement)
- Score badges — Color-coded Good / Needs Improvement / Poor
- Trends — How your vitals change over time
Browser support
Web Vitals are supported in Chromium-based browsers (Chrome, Edge, Opera). Safari and Firefox have partial support:| Metric | Chrome | Safari | Firefox |
|---|---|---|---|
| LCP | ✅ | ❌ | ❌ |
| FID | ✅ | ✅ | ✅ |
| CLS | ✅ | ❌ | ❌ |
| FCP | ✅ | ✅ | ✅ |
| TTFB | ✅ | ✅ | ✅ |