Update naming for Next.js Analytics (#48618)

Updates the name of Next.js Analytics to Next.js Speed Insights

closes ALY-579

---------

Co-authored-by: Steven <steven@ceriously.com>
Co-authored-by: Tim Neutkens <tim@timneutkens.nl>

docs/advanced-features/measuring-performance.md

@@ -1,15 +1,15 @@
 ---
-description: Measure and track page performance using Next.js Analytics
+description: Measure and track page performance using Next.js Speed Insights
 ---
 
 # Measuring performance
 
-[Next.js Analytics](https://nextjs.org/analytics) allows you to analyze and measure the performance of
+[Next.js Speed Insights](https://nextjs.org/analytics) allows you to analyze and measure the performance of
 pages using different metrics.
 
-You can start collecting your [Real Experience Score](https://vercel.com/docs/concepts/analytics/web-vitals?utm_source=next-site&utm_medium=docs&utm_campaign=next-website) with zero-configuration on [Vercel deployments](https://vercel.com/docs/analytics?utm_source=next-site&utm_medium=docs&utm_campaign=next-website). There's also support for Analytics if you're [self-hosting](https://vercel.com/docs/concepts/analytics#self-hosted?utm_source=next-site&utm_medium=docs&utm_campaign=next-website).
+You can start collecting your [Real Experience Score](https://vercel.com/docs/concepts/speed-insights#core-web-vitals?utm_source=next-site&utm_medium=docs&utm_campaign=next-website) with zero-configuration on [Vercel deployments](https://vercel.com/docs/concepts/speed-insights?utm_source=next-site&utm_medium=docs&utm_campaign=next-website).
 
-The rest of this documentation describes the built-in relayer Next.js Analytics uses.
+The rest of this documentation describes the built-in relayer Next.js Speed Insights uses.
 
 ## Build Your Own
 
@@ -142,9 +142,9 @@ export function reportWebVitals(metric) {
 
 These metrics work in all browsers that support the [User Timing API](https://caniuse.com/#feat=user-timing).
 
-## Sending results to analytics
+## Sending results to external systems
 
-With the relay function, you can send any of results to an analytics endpoint to measure and track
+With the relay function, you can send results to any endpoint to measure and track
 real user performance on your site. For example:
 
 ```js

docs/deployment.md

@@ -41,7 +41,7 @@ When deploying to Vercel, the platform [automatically detects Next.js](https://v
 
 In addition, Vercel provides features like:
 
-- Automatic performance monitoring with [Next.js Analytics](https://vercel.com/analytics?utm_source=next-site&utm_medium=docs&utm_campaign=next-website)
+- Automatic performance monitoring with [Next.js Speed Insights](https://vercel.com/analytics?utm_source=next-site&utm_medium=docs&utm_campaign=next-website)
 - Automatic HTTPS and SSL certificates
 - Automatic CI/CD (through GitHub, GitLab, Bitbucket, etc.)
 - Support for [Environment Variables](https://vercel.com/docs/environment-variables?utm_source=next-site&utm_medium=docs&utm_campaign=next-website)

packages/next/src/build/index.ts

@@ -2947,7 +2947,7 @@ export default async function build(
 
       if (config.analyticsId) {
         console.log(
-          chalk.bold.green('Next.js Analytics') +
+          chalk.bold.green('Next.js Speed Insights') +
             ' is enabled for this production build. ' +
             "You'll receive a Real Experience Score computed by all of your visitors."
         )

packages/next/src/server/config-shared.ts

@@ -412,11 +412,11 @@ export interface NextConfig extends Record<string, any> {
   compress?: boolean
 
   /**
-   * The field should only be used when a Next.js project is not hosted on Vercel while using Vercel Analytics.
-   * Vercel provides zero-configuration analytics for Next.js projects hosted on Vercel.
+   * The field should only be used when a Next.js project is not hosted on Vercel while using Vercel Speed Insights.
+   * Vercel provides zero-configuration insights for Next.js projects hosted on Vercel.
    *
    * @default ''
-   * @see [Next.js Analytics](https://nextjs.org/analytics)
+   * @see [Next.js Speed Insights](https://nextjs.org/analytics)
    */
   analyticsId?: string
 

test/e2e/app-dir/app/vercel-analytics.test.ts → test/e2e/app-dir/app/vercel-speed-insights.test.ts

@@ -2,7 +2,7 @@ import { createNext } from 'e2e-utils'
 import { NextInstance } from 'test/lib/next-modes/base'
 import { check } from 'next-test-utils'
 
-describe('vercel analytics', () => {
+describe('vercel speed insights', () => {
   const isDev = (global as any).isNextDev
 
   if ((global as any).isNextDeploy) {

test/integration/relay-analytics-disabled/test/index.test.js

@@ -45,7 +45,7 @@ describe('Analytics relayer (disabled)', () => {
 
     expect(beacons.length).toBe(0)
 
-    expect(stdout).not.toMatch('Next.js Analytics')
+    expect(stdout).not.toMatch('Next.js Speed Insights')
 
     await browser.close()
   })

test/integration/relay-analytics/test/index.test.js

@@ -105,7 +105,7 @@ function runTest() {
       expect(isNaN(parseFloat(beacon.value))).toBe(false)
     }
 
-    expect(stdout).toMatch('Next.js Analytics')
+    expect(stdout).toMatch('Next.js Speed Insights')
     await browser.close()
   })