From 201b93cd273e4f56d4947f09de933e25982968b4 Mon Sep 17 00:00:00 2001
From: Felix Arntz <felixarntz@google.com>
Date: Fri, 17 Feb 2023 10:54:15 -0800
Subject: [PATCH 1/2] Add CLS, FID, and INP.

---
 cli/commands/benchmark-web-vitals.mjs | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/cli/commands/benchmark-web-vitals.mjs b/cli/commands/benchmark-web-vitals.mjs
index 5e802aa..741c6e9 100644
--- a/cli/commands/benchmark-web-vitals.mjs
+++ b/cli/commands/benchmark-web-vitals.mjs
@@ -97,19 +97,31 @@ export async function handler( opt ) {
 }
 
 async function benchmarkURL( browser, params ) {
-	/*
-	 * For now this only includes load time metrics.
-	 * In the future, additional Web Vitals like CLS, FID, and INP should be
-	 * added, however they are slightly more complex to retrieve through an
-	 * automated headless browser test.
-	 */
 	const metricsDefinition = {
+		CLS: {
+			listen: 'onCLS',
+			global: 'webVitalsCLS',
+			get: () => window.webVitalsCLS,
+			results: [],
+		},
 		FCP: {
 			listen: 'onFCP',
 			global: 'webVitalsFCP',
 			get: () => window.webVitalsFCP,
 			results: [],
 		},
+		FID: {
+			listen: 'onFID',
+			global: 'webVitalsFID',
+			get: () => window.webVitalsFID,
+			results: [],
+		},
+		INP: {
+			listen: 'onINP',
+			global: 'webVitalsINP',
+			get: () => window.webVitalsINP,
+			results: [],
+		},
 		LCP: {
 			listen: 'onLCP',
 			global: 'webVitalsLCP',

From f2bf15d3d834bb66effa14bf431cbf363cffb907 Mon Sep 17 00:00:00 2001
From: Felix Arntz <felixarntz@google.com>
Date: Fri, 17 Feb 2023 11:06:41 -0800
Subject: [PATCH 2/2] Update documentation.

---
 cli/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cli/README.md b/cli/README.md
index 6a1b382..971727e 100644
--- a/cli/README.md
+++ b/cli/README.md
@@ -126,7 +126,7 @@ benchmark-server-timing -f path/to/urls.txt -n 5
 
 ### `benchmark-web-vitals`
 
-Loads the provided URLs in a headless browser several times to measure median Web Vitals metrics for each URL. Currently the results cover load time metrics FCP, LCP, and TTFB. Including additional metrics is explored in a [follow up pull request](https://github.com/GoogleChromeLabs/wpp-research/pull/41).
+Loads the provided URLs in a headless browser several times to measure median Web Vitals metrics for each URL. Currently the results cover metrics CLS, FCP, FID, INP, LCP, and TTFB.
 
 #### Arguments