diff --git a/inc/Engine/Media/AboveTheFold/Frontend/Controller.php b/inc/Engine/Media/AboveTheFold/Frontend/Controller.php
index 530a525e48..6494ccf6d2 100644
--- a/inc/Engine/Media/AboveTheFold/Frontend/Controller.php
+++ b/inc/Engine/Media/AboveTheFold/Frontend/Controller.php
@@ -88,6 +88,10 @@ private function preload_lcp( $html, $row ) {
 		$title   = $matches[0];
 		$preload = $title;
 
+		if ( ! $this->is_valid_data( $row->lcp ) ) {
+			return $html;
+		}
+
 		$lcp = json_decode( $row->lcp );
 
 		$preload .= $this->preload_tag( $lcp );
@@ -198,13 +202,13 @@ public function add_exclusions( $exclusions ): array {
 			return $exclusions;
 		}
 
-		if ( $row->lcp && 'not found' !== $row->lcp ) {
+		if ( $row->lcp && 'not found' !== $row->lcp && $this->is_valid_data( $row->lcp ) ) {
 			$lcp = $this->generate_lcp_link_tag_with_sources( json_decode( $row->lcp ) );
 			$lcp = $lcp['sources'];
 			$lcp = $this->get_path_for_exclusion( $lcp );
 		}
 
-		if ( $row->viewport && 'not found' !== $row->viewport ) {
+		if ( $row->viewport && 'not found' !== $row->viewport && $this->is_valid_data( $row->viewport ) ) {
 			$atf = $this->get_atf_sources( json_decode( $row->viewport ) );
 			$atf = $this->get_path_for_exclusion( $atf );
 		}
@@ -217,6 +221,17 @@ public function add_exclusions( $exclusions ): array {
 		return $exclusions;
 	}
 
+	/**
+	 * Check if lcp/viewport is valid
+	 *
+	 * @param string $data The lcp/viewport data.
+	 *
+	 * @return bool
+	 */
+	private function is_valid_data( string $data ): bool {
+		return ! empty( json_decode( $data, true ) );
+	}
+
 	/**
 	 * Get only the url path to exclude.
 	 *
@@ -224,15 +239,24 @@ public function add_exclusions( $exclusions ): array {
 	 * @return array
 	 */
 	private function get_path_for_exclusion( array $exclusions ): array {
-		$exclusions = array_map(
-				function ( $exclusion ) {
-					$exclusion = wp_parse_url( $exclusion );
-					return ltrim( $exclusion['path'], '/' );
-				},
-			$exclusions
-			);
+		$sanitized_exclusions = [];
 
-		return $exclusions;
+		foreach ( $exclusions as $exclusion ) {
+			if ( empty( $exclusion ) ) {
+				continue;
+			}
+
+			$path = wp_parse_url( $exclusion, PHP_URL_PATH );
+			$path = ! empty( $path ) ? ltrim( $path, '/' ) : '';
+
+			if ( empty( $path ) ) {
+				continue;
+			}
+
+			$sanitized_exclusions[] = $path;
+		}
+
+		return $sanitized_exclusions;
 	}
 
 	/**
diff --git a/tests/Fixtures/inc/Engine/Media/AboveTheFold/Frontend/Controller/addExclusions.php b/tests/Fixtures/inc/Engine/Media/AboveTheFold/Frontend/Controller/addExclusions.php
index fc609905eb..e00d91f39f 100644
--- a/tests/Fixtures/inc/Engine/Media/AboveTheFold/Frontend/Controller/addExclusions.php
+++ b/tests/Fixtures/inc/Engine/Media/AboveTheFold/Frontend/Controller/addExclusions.php
@@ -77,4 +77,123 @@
 			'foobar.jpg',
 		],
 	],
+	'testShouldReturnEmptyStringWhenUrlNotValid' => [
+		'config'     => [
+			'filter'                  => true,
+			'wp'                      => (object) [
+				'request' => '',
+			],
+			'url'                     => 'http://example.org',
+			'is_mobile'               => false,
+			'row'                     => (object) [
+				'lcp'      => json_encode( (object) [
+					'type' => 'img',
+					'src'  => ':',
+				] ),
+				'viewport' => json_encode( [
+					0 => (object) [
+						'type' => 'img',
+						'src'  => 'https://example.com/foobar.jpg',
+					],
+				] ),
+			],
+			'cache_mobile'            => 0,
+			'do_caching_mobile_files' => 0,
+			'wp_is_mobile'            => false,
+		],
+		'exclusions' => [
+			'foo',
+		],
+		'expected'   => [
+			'foo',
+			'foobar.jpg',
+		],
+	],
+	'testShouldReturnEmptyLcpNotValid' => [
+		'config'     => [
+			'filter'                  => true,
+			'wp'                      => (object) [
+				'request' => '',
+			],
+			'url'                     => 'http://example.org',
+			'is_mobile'               => false,
+			'row'                     => (object) [
+				'lcp'      => '[]',
+				'viewport' => json_encode( [
+					0 => (object) [
+						'type' => 'img',
+						'src'  => 'https://example.com/foobar.jpg',
+					],
+				] ),
+			],
+			'cache_mobile'            => 0,
+			'do_caching_mobile_files' => 0,
+			'wp_is_mobile'            => false,
+		],
+		'exclusions' => [
+			'foo',
+		],
+		'expected'   => [
+			'foo',
+			'foobar.jpg',
+		],
+	],
+	'testShouldReturnEmptyLcpNotValid2' => [
+		'config'     => [
+			'filter'                  => true,
+			'wp'                      => (object) [
+				'request' => '',
+			],
+			'url'                     => 'http://example.org',
+			'is_mobile'               => false,
+			'row'                     => (object) [
+				'lcp'      => 'null',
+				'viewport' => json_encode( [
+					0 => (object) [
+						'type' => 'img',
+						'src'  => 'https://example.com/foobar.jpg',
+					],
+				] ),
+			],
+			'cache_mobile'            => 0,
+			'do_caching_mobile_files' => 0,
+			'wp_is_mobile'            => false,
+		],
+		'exclusions' => [
+			'foo',
+		],
+		'expected'   => [
+			'foo',
+			'foobar.jpg',
+		],
+	],
+	'testShouldReturnEmptyLcpNotValid3' => [
+		'config'     => [
+			'filter'                  => true,
+			'wp'                      => (object) [
+				'request' => '',
+			],
+			'url'                     => 'http://example.org',
+			'is_mobile'               => false,
+			'row'                     => (object) [
+				'lcp'      => '{}',
+				'viewport' => json_encode( [
+					0 => (object) [
+						'type' => 'img',
+						'src'  => 'https://example.com/foobar.jpg',
+					],
+				] ),
+			],
+			'cache_mobile'            => 0,
+			'do_caching_mobile_files' => 0,
+			'wp_is_mobile'            => false,
+		],
+		'exclusions' => [
+			'foo',
+		],
+		'expected'   => [
+			'foo',
+			'foobar.jpg',
+		],
+	],
 ];