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# Vercel Speed Insights Implementation Report
## Summary
Successfully installed and configured Vercel Speed Insights for the Next.js 16.1.6 application using the App Router pattern.
## Changes Made
### 1. Package Installation
- **Added dependency**: `@vercel/speed-insights@^1.3.1` to package.json
- **Updated lock file**: package-lock.json with all required dependencies
### 2. Configuration in Root Layout
**File**: `frontend/app/layout.tsx`
#### Changes:
- **Import added**: `import { SpeedInsights } from "@vercel/speed-insights/next";`
- **Component added**: `<SpeedInsights />` inside the `<body>` tag, after the `{children}` component
The implementation follows the recommended pattern for Next.js 13.5+ with App Router, where:
- The SpeedInsights component is imported from `@vercel/speed-insights/next`
- It's placed in the root layout file to track all pages
- No additional configuration is needed as the component automatically detects routes in App Router
## Implementation Details
### Why This Approach?
The project uses:
- **Next.js version**: 16.1.6 (>= 13.5)
- **Router type**: App Router (confirmed by presence of `app/layout.tsx`)
- **Package manager**: npm (confirmed by `package-lock.json`)
For Next.js 13.5+ with App Router, the recommended approach is to:
1. Import from `@vercel/speed-insights/next` (not `/react`)
2. Add the component directly without `usePathname()` or route props
3. Place it in the root layout inside the `<body>` tag
### Placement Decision
The `<SpeedInsights />` component was placed after `{children}` within the `<body>` tag to ensure:
- It loads after the main content
- It doesn't block the initial render
- It tracks all pages uniformly from the root layout
## Verification
### ✅ Completed
- Package successfully installed via `npm install @vercel/speed-insights`
- Component properly imported and added to layout.tsx
- Lock file automatically updated with dependency tree
- Linter executed (no new errors introduced by our changes)
- Code follows existing patterns and TypeScript conventions
### ⚠️ Note on Build
The build command encountered a pre-existing error related to missing Supabase environment variables. This is unrelated to the Speed Insights implementation. Our changes are syntactically correct and follow Next.js best practices.
### No Tests Available
The project does not have a test suite configured (`npm test` is not available).
## Files Modified
1. **frontend/app/layout.tsx** - Added SpeedInsights import and component
2. **frontend/package.json** - Added @vercel/speed-insights dependency
3. **frontend/package-lock.json** - Updated with new dependency tree
## Next Steps
When the application is deployed to Vercel:
1. Speed Insights will automatically start collecting Core Web Vitals data
2. Data can be viewed in the Vercel dashboard under the Speed Insights tab
3. No additional configuration or environment variables are required
The implementation is production-ready and follows Vercel's official documentation.
Co-authored-by: Vercel <vercel[bot]@users.noreply.github.com>
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Vercel Speed Insights Implementation Report
Summary
Successfully installed and configured Vercel Speed Insights for the Next.js 16.1.6 application using the App Router pattern.
Changes Made
1. Package Installation
@vercel/speed-insights@^1.3.1to package.json2. Configuration in Root Layout
File:
frontend/app/layout.tsxChanges:
import { SpeedInsights } from "@vercel/speed-insights/next";<SpeedInsights />inside the<body>tag, after the{children}componentThe implementation follows the recommended pattern for Next.js 13.5+ with App Router, where:
@vercel/speed-insights/nextImplementation Details
Why This Approach?
The project uses:
app/layout.tsx)package-lock.json)For Next.js 13.5+ with App Router, the recommended approach is to:
@vercel/speed-insights/next(not/react)usePathname()or route props<body>tagPlacement Decision
The
<SpeedInsights />component was placed after{children}within the<body>tag to ensure:Verification
✅ Completed
npm install @vercel/speed-insightsThe build command encountered a pre-existing error related to missing Supabase environment variables. This is unrelated to the Speed Insights implementation. Our changes are syntactically correct and follow Next.js best practices.
No Tests Available
The project does not have a test suite configured (
npm testis not available).Files Modified
Next Steps
When the application is deployed to Vercel:
The implementation is production-ready and follows Vercel's official documentation.
View Project · Speed Insights
Created by jhadenn with Vercel Agent