Next.js Analytics Explained — Measuring User Interactions

DodaTech Updated 2026-06-28 1 min read

In this tutorial, you will learn about Next.js Analytics Explained. We cover key concepts, practical examples, and best practices to help you master this topic.

Next.js analytics tracks user behavior, page views, and performance metrics through integrations with Vercel Analytics, Google Analytics, and custom analytics solutions.

What You'll Learn

Vercel Analytics setup
Google Analytics 4 integration
Custom event tracking
Web Vitals measurement
Privacy and GDPR Compliance

Why It Matters

Analytics metrics (page views, bounce rate, conversions) inform product decisions. Next.js analytics tools also measure Core Web Vitals for SEO performance monitoring.

// app/layout.jsx
import { Analytics } from "@vercel/analytics/react";

export default function RootLayout({ children }) {
  return (
    <html lang="en">
      <body>
        {children}
        <Analytics />
      </body>
    </html>
  );
}

// components/Tracking.jsx
"use client";
import { usePathname, useSearchParams } from "next/navigation";
import { useEffect } from "react";

export function PageViewTracker() {
  const pathname = usePathname();
  const searchParams = useSearchParams();

  useEffect(() => {
    const url = pathname + (searchParams?.toString() ? `?${searchParams}` : "");
    gtag("config", process.env.NEXT_PUBLIC_GA_ID, {
      page_path: url,
      page_location: window.location.href,
    });
  }, [pathname, searchParams]);

  return null;
}

// utils/analytics.js
export function trackEvent(action, category, label, value) {
  if (typeof window !== "undefined" && window.gtag) {
    gtag("event", action, {
      event_category: category,
      event_label: label,
      value: value,
    });
  }
}

Expected output: Vercel Analytics tracks page views, GA4 records each route change, and custom events log user interactions consistently.

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