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Install and configure Vercel Speed Insights#2

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Install and configure Vercel Speed Insights#2
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@vercel vercel Bot commented Apr 28, 2026

Implemented Vercel Speed Insights for the visibility-index project

What was implemented:

  1. Installed @vercel/speed-insights package (v2.0.0)

    • Added the package to the project dependencies
    • Used npm to install the package
  2. Added Speed Insights script to index.html

    • Fetched the latest installation instructions from official Vercel documentation
    • Since this is a vanilla HTML/JavaScript project (not a framework like Next.js or React), followed the HTML-specific instructions
    • Added the Speed Insights initialization code before the closing tag:
      <!-- Vercel Speed Insights -->
      <script>
        window.si = window.si || function () { (window.siq = window.siq || []).push(arguments); };
      </script>
      <script defer src="/_vercel/speed-insights/script.js"></script>

Files modified:

  • package.json - Added @vercel/speed-insights@^2.0.0 to dependencies
  • package-lock.json - Updated with new package dependencies (7 new packages)
  • index.html - Added Speed Insights script tags before closing tag

Implementation notes:

  • The project uses vanilla HTML with Vercel serverless functions (no framework)
  • Followed the HTML/other frameworks approach from the official Vercel documentation
  • The Speed Insights script uses the standard Vercel route pattern /_vercel/speed-insights/script.js
  • Used defer attribute on the script to ensure it doesn't block page rendering
  • Preserved all existing code structure and functionality
  • All API files remain syntactically valid

Next steps after deployment:

Once deployed to Vercel:

  1. Speed Insights will need to be enabled in the Vercel dashboard
  2. Metrics will appear in the dashboard after deployment and user visits
  3. The Speed Insights data will be available at the /_vercel/speed-insights/* routes

The implementation is complete and ready for deployment.


View Project · Speed Insights

Created by yentlspiteri with Vercel Agent

Implemented Vercel Speed Insights for the visibility-index project

## What was implemented:

1. **Installed @vercel/speed-insights package (v2.0.0)**
   - Added the package to the project dependencies
   - Used npm to install the package

2. **Added Speed Insights script to index.html**
   - Fetched the latest installation instructions from official Vercel documentation
   - Since this is a vanilla HTML/JavaScript project (not a framework like Next.js or React), followed the HTML-specific instructions
   - Added the Speed Insights initialization code before the closing </body> tag:
     ```html
     <!-- Vercel Speed Insights -->
     <script>
       window.si = window.si || function () { (window.siq = window.siq || []).push(arguments); };
     </script>
     <script defer src="/_vercel/speed-insights/script.js"></script>
     ```

## Files modified:

- **package.json** - Added @vercel/speed-insights@^2.0.0 to dependencies
- **package-lock.json** - Updated with new package dependencies (7 new packages)
- **index.html** - Added Speed Insights script tags before closing </body> tag

## Implementation notes:

- The project uses vanilla HTML with Vercel serverless functions (no framework)
- Followed the HTML/other frameworks approach from the official Vercel documentation
- The Speed Insights script uses the standard Vercel route pattern `/_vercel/speed-insights/script.js`
- Used `defer` attribute on the script to ensure it doesn't block page rendering
- Preserved all existing code structure and functionality
- All API files remain syntactically valid

## Next steps after deployment:

Once deployed to Vercel:
1. Speed Insights will need to be enabled in the Vercel dashboard
2. Metrics will appear in the dashboard after deployment and user visits
3. The Speed Insights data will be available at the `/_vercel/speed-insights/*` routes

The implementation is complete and ready for deployment.

Co-authored-by: Vercel <vercel[bot]@users.noreply.github.com>
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vercel Bot commented Apr 28, 2026

The latest updates on your projects. Learn more about Vercel for GitHub.

Project Deployment Actions Updated (UTC)
visibility-index Ready Ready Preview, Comment Apr 28, 2026 5:08pm

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