Add Google Tag Manager

[thelevicole]

Add's Google Tag Manager too all pages using the Next.js component

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Important

Add Google Tag Manager to all pages using GoogleTagManager component in _app.tsx, active only in production.

• Behavior:
  • Adds Google Tag Manager to all pages using GoogleTagManager component in _app.tsx.
  • Only active in production environment (process.env.NODE_ENV === "production").
• Dependencies:
  • Adds @next/third-parties to package.json.

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[vercel]

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Project	Deployment	Actions	Updated (UTC)
langfuse-docs	Building	Preview, Comment	Mar 3, 2026 3:29pm

[github-actions]

📦 Next.js Bundle Analysis for langfuse-docs

This analysis was generated by the Next.js Bundle Analysis action. 🤖

⚠️ Global Bundle Size Increased

Page	Size (compressed)
global	411.03 KB (🟡 +3.39 KB)

Details

The global bundle is the javascript bundle that loads alongside every page. It is in its own category because its impact is much higher - an increase to its size means that every page on your website loads slower, and a decrease means every page loads faster.

Any third party scripts you have added directly to your app using the <script> tag are not accounted for in this analysis

If you want further insight into what is behind the changes, give @next/bundle-analyzer a try!