diff --git a/bin/log-perormance-results.js b/bin/log-perormance-results.js
index 0405b69791bdd0..158b51c1fcde25 100755
--- a/bin/log-perormance-results.js
+++ b/bin/log-perormance-results.js
@@ -6,12 +6,27 @@
 const fs = require( 'fs' );
 const path = require( 'path' );
 const https = require( 'https' );
+const { mapKeys } = require( 'lodash' );
 const [ token, branch, hash, baseHash, timestamp ] = process.argv.slice( 2 );
 
-const performanceResults = JSON.parse(
-	fs.readFileSync(
-		path.join( __dirname, '../post-editor-performance-results.json' ),
-		'utf8'
+const resultsFiles = [
+	{
+		file: 'post-editor-performance-results.json',
+		metricsPrefix: '',
+	},
+	{
+		file: 'front-end-block-theme-performance-results.json',
+		metricsPrefix: 'block-theme-',
+	},
+	{
+		file: 'front-end-classic-theme-performance-results.json',
+		metricsPrefix: 'classic-theme-',
+	},
+];
+
+const performanceResults = resultsFiles.map( ( { file } ) =>
+	JSON.parse(
+		fs.readFileSync( path.join( __dirname, '../' + file ), 'utf8' )
 	)
 );
 
@@ -21,8 +36,27 @@ const data = new TextEncoder().encode(
 		hash,
 		baseHash,
 		timestamp: parseInt( timestamp, 10 ),
-		metrics: performanceResults[ hash ],
-		baseMetrics: performanceResults[ baseHash ],
+		metrics: resultsFiles.reduce( ( result, { metricsPrefix }, index ) => {
+			return {
+				...result,
+				...mapKeys(
+					performanceResults[ index ][ hash ],
+					( _, key ) => metricsPrefix + key
+				),
+			};
+		}, {} ),
+		baseMetrics: resultsFiles.reduce(
+			( result, { metricsPrefix }, index ) => {
+				return {
+					...result,
+					...mapKeys(
+						performanceResults[ index ][ baseHash ],
+						( _, key ) => metricsPrefix + key
+					),
+				};
+			},
+			{}
+		),
 	} )
 );