diff --git a/load.php b/load.php
index acf35531f..3224969c8 100644
--- a/load.php
+++ b/load.php
@@ -57,7 +57,8 @@ function perflab_get_generator_content() {
 	}
 
 	return sprintf(
-		'Performance Lab %1$s; plugins: %2$s',
+		// Use the plugin slug as it is immutable.
+		'performance-lab %1$s; plugins: %2$s',
 		PERFLAB_VERSION,
 		implode( ', ', $active_plugins )
 	);
diff --git a/plugins/dominant-color-images/hooks.php b/plugins/dominant-color-images/hooks.php
index 29e0d541b..9c2b1f7d9 100644
--- a/plugins/dominant-color-images/hooks.php
+++ b/plugins/dominant-color-images/hooks.php
@@ -178,6 +178,7 @@ function dominant_color_add_inline_style() {
  * @since 1.0.0
  */
 function dominant_color_render_generator() {
-	echo '<meta name="generator" content="Image Placeholders ' . esc_attr( DOMINANT_COLOR_IMAGES_VERSION ) . '">' . "\n";
+	// Use the plugin slug as it is immutable.
+	echo '<meta name="generator" content="dominant-color-images ' . esc_attr( DOMINANT_COLOR_IMAGES_VERSION ) . '">' . "\n";
 }
 add_action( 'wp_head', 'dominant_color_render_generator' );
diff --git a/plugins/dominant-color-images/readme.txt b/plugins/dominant-color-images/readme.txt
index bbc2dde01..c3092a12c 100644
--- a/plugins/dominant-color-images/readme.txt
+++ b/plugins/dominant-color-images/readme.txt
@@ -52,6 +52,7 @@ Contributions are always welcome! Learn more about how to get involved in the [C
 = 1.1.0 =
 
 * Rename plugin to "Image Placeholders". ([1101](https://github.com/WordPress/performance/pull/1101))
+* Use plugin slug for generator tag. ([1103](https://github.com/WordPress/performance/pull/1103))
 * Bump minimum required WP version to 6.4. ([1062](https://github.com/WordPress/performance/pull/1062))
 * Update tested WordPress version to 6.5. ([1027](https://github.com/WordPress/performance/pull/1027))
 
diff --git a/plugins/embed-optimizer/hooks.php b/plugins/embed-optimizer/hooks.php
index 6f797cf79..a587c4de1 100644
--- a/plugins/embed-optimizer/hooks.php
+++ b/plugins/embed-optimizer/hooks.php
@@ -162,6 +162,7 @@ function embed_optimizer_trigger_error( string $function_name, string $message,
  * @since 0.1.0
  */
 function embed_optimizer_render_generator() {
-	echo '<meta name="generator" content="Embed Optimizer ' . esc_attr( EMBED_OPTIMIZER_VERSION ) . '">' . "\n";
+	// Use the plugin slug as it is immutable.
+	echo '<meta name="generator" content="embed-optimizer ' . esc_attr( EMBED_OPTIMIZER_VERSION ) . '">' . "\n";
 }
 add_action( 'wp_head', 'embed_optimizer_render_generator' );
diff --git a/plugins/embed-optimizer/readme.txt b/plugins/embed-optimizer/readme.txt
index 0e54f7393..be16765df 100644
--- a/plugins/embed-optimizer/readme.txt
+++ b/plugins/embed-optimizer/readme.txt
@@ -51,6 +51,7 @@ The [plugin source code](https://github.com/WordPress/performance/tree/trunk/plu
 
 = 0.1.1 =
 
+* Use plugin slug for generator tag. ([1103](https://github.com/WordPress/performance/pull/1103))
 * Bump minimum required WP version to 6.4. ([1076](https://github.com/WordPress/performance/pull/1076))
 
 = 0.1.0 =
diff --git a/plugins/optimization-detective/helper.php b/plugins/optimization-detective/helper.php
index 589baaf2e..6a69becd3 100644
--- a/plugins/optimization-detective/helper.php
+++ b/plugins/optimization-detective/helper.php
@@ -18,5 +18,6 @@
  * @since 0.1.0
  */
 function od_render_generator_meta_tag() {
-	echo '<meta name="generator" content="Optimization Detective ' . esc_attr( OPTIMIZATION_DETECTIVE_VERSION ) . '">' . "\n";
+	// Use the plugin slug as it is immutable.
+	echo '<meta name="generator" content="optimization-detective ' . esc_attr( OPTIMIZATION_DETECTIVE_VERSION ) . '">' . "\n";
 }
diff --git a/plugins/optimization-detective/load.php b/plugins/optimization-detective/load.php
index b448a0027..25c7d1984 100644
--- a/plugins/optimization-detective/load.php
+++ b/plugins/optimization-detective/load.php
@@ -5,7 +5,7 @@
  * Description: Uses real user metrics to improve heuristics WordPress applies on the frontend to improve image loading priority.
  * Requires at least: 6.4
  * Requires PHP: 7.0
- * Version: 0.1.0
+ * Version: 0.1.1
  * Author: WordPress Performance Team
  * Author URI: https://make.wordpress.org/performance/
  * License: GPLv2 or later
@@ -43,7 +43,7 @@
 	);
 }
 
-define( 'OPTIMIZATION_DETECTIVE_VERSION', '0.1.0' );
+define( 'OPTIMIZATION_DETECTIVE_VERSION', '0.1.1' );
 
 require_once __DIR__ . '/helper.php';
 
diff --git a/plugins/optimization-detective/readme.txt b/plugins/optimization-detective/readme.txt
index 6fc33da6d..a18f4a72b 100644
--- a/plugins/optimization-detective/readme.txt
+++ b/plugins/optimization-detective/readme.txt
@@ -4,7 +4,7 @@ Contributors:      wordpressdotorg
 Requires at least: 6.4
 Tested up to:      6.5
 Requires PHP:      7.0
-Stable tag:        0.1.0
+Stable tag:        0.1.1
 License:           GPLv2 or later
 License URI:       https://www.gnu.org/licenses/gpl-2.0.html
 Tags:              performance, images
@@ -137,6 +137,10 @@ The [plugin source code](https://github.com/WordPress/performance/tree/trunk/plu
 
 == Changelog ==
 
+= 0.1.1 =
+
+* Use plugin slug for generator tag. ([1103](https://github.com/WordPress/performance/pull/1103))
+
 = 0.1.0 =
 
 * Initial release.
diff --git a/plugins/speculation-rules/hooks.php b/plugins/speculation-rules/hooks.php
index d1dde3896..7cc98a363 100644
--- a/plugins/speculation-rules/hooks.php
+++ b/plugins/speculation-rules/hooks.php
@@ -54,6 +54,7 @@ function plsr_print_speculation_rules() {
  * @since 1.1.0
  */
 function plsr_render_generator_meta_tag() {
-	echo '<meta name="generator" content="Speculative Loading ' . esc_attr( SPECULATION_RULES_VERSION ) . '">' . "\n";
+	// Use the plugin slug as it is immutable.
+	echo '<meta name="generator" content="speculation-rules ' . esc_attr( SPECULATION_RULES_VERSION ) . '">' . "\n";
 }
 add_action( 'wp_head', 'plsr_render_generator_meta_tag' );
diff --git a/plugins/webp-uploads/hooks.php b/plugins/webp-uploads/hooks.php
index 677cd0d20..ec5e318f0 100644
--- a/plugins/webp-uploads/hooks.php
+++ b/plugins/webp-uploads/hooks.php
@@ -770,7 +770,8 @@ function webp_uploads_modify_webp_quality( $quality, $mime_type ) {
  * @since 1.0.0
  */
 function webp_uploads_render_generator() {
-	echo '<meta name="generator" content="Modern Image Formats ' . esc_attr( WEBP_UPLOADS_VERSION ) . '">' . "\n";
+	// Use the plugin slug as it is immutable.
+	echo '<meta name="generator" content="webp-uploads ' . esc_attr( WEBP_UPLOADS_VERSION ) . '">' . "\n";
 }
 add_action( 'wp_head', 'webp_uploads_render_generator' );
 
diff --git a/plugins/webp-uploads/readme.txt b/plugins/webp-uploads/readme.txt
index 806b2b015..b80cd46af 100644
--- a/plugins/webp-uploads/readme.txt
+++ b/plugins/webp-uploads/readme.txt
@@ -64,6 +64,7 @@ By default, the Modern Image Formats plugin will only generate WebP versions of
 
 * Add link to WebP settings to plugins table. ([1036](https://github.com/WordPress/performance/pull/1036))
 * Rename plugin to "Modern Image Formats". ([1101](https://github.com/WordPress/performance/pull/1101))
+* Use plugin slug for generator tag. ([1103](https://github.com/WordPress/performance/pull/1103))
 * Bump minimum required WP version to 6.4. ([1062](https://github.com/WordPress/performance/pull/1062))
 * Update tested WordPress version to 6.5. ([1027](https://github.com/WordPress/performance/pull/1027))
 
diff --git a/tests/load-tests.php b/tests/load-tests.php
index e31e16c1a..55a1865bc 100644
--- a/tests/load-tests.php
+++ b/tests/load-tests.php
@@ -8,13 +8,13 @@
 class Load_Tests extends WP_UnitTestCase {
 
 	public function test_perflab_get_generator_content() {
-		$expected = 'Performance Lab ' . PERFLAB_VERSION . '; plugins: ';
+		$expected = 'performance-lab ' . PERFLAB_VERSION . '; plugins: ';
 		$content  = perflab_get_generator_content();
 		$this->assertSame( $expected, $content );
 	}
 
 	public function test_perflab_render_generator() {
-		$expected = '<meta name="generator" content="Performance Lab ' . PERFLAB_VERSION . '; plugins: ">' . "\n";
+		$expected = '<meta name="generator" content="performance-lab ' . PERFLAB_VERSION . '; plugins: ">' . "\n";
 		$output   = get_echo( 'perflab_render_generator' );
 		$this->assertSame( $expected, $output );
 
diff --git a/tests/plugins/dominant-color-images/dominant-color-test.php b/tests/plugins/dominant-color-images/dominant-color-test.php
index 04e8caba4..a2b032a89 100644
--- a/tests/plugins/dominant-color-images/dominant-color-test.php
+++ b/tests/plugins/dominant-color-images/dominant-color-test.php
@@ -371,4 +371,16 @@ public function provider_get_hex_color() {
 			),
 		);
 	}
+
+	/**
+	 * Test printing the meta generator tag.
+	 *
+	 * @covers ::dominant_color_render_generator
+	 */
+	public function test_dominant_color_render_generator() {
+		$tag = get_echo( 'dominant_color_render_generator' );
+		$this->assertStringStartsWith( '<meta', $tag );
+		$this->assertStringContainsString( 'generator', $tag );
+		$this->assertStringContainsString( 'dominant-color-images ' . DOMINANT_COLOR_IMAGES_VERSION, $tag );
+	}
 }
diff --git a/tests/plugins/embed-optimizer/embed-optimizer-test.php b/tests/plugins/embed-optimizer/embed-optimizer-test.php
index 6dfca002a..ccca9dff2 100644
--- a/tests/plugins/embed-optimizer/embed-optimizer-test.php
+++ b/tests/plugins/embed-optimizer/embed-optimizer-test.php
@@ -7,6 +7,11 @@
 
 class Embed_Optimizer_Helper_Tests extends WP_UnitTestCase {
 
+	public function test_hooks() {
+		$this->assertSame( 10, has_filter( 'embed_oembed_html', 'embed_optimizer_filter_oembed_html' ) );
+		$this->assertSame( 10, has_action( 'wp_head', 'embed_optimizer_render_generator' ) );
+	}
+
 	/**
 	 * Test that the oEmbed HTML is filtered.
 	 *
@@ -163,10 +168,9 @@ function ( array $attrs, string $javascript ) {
 	 * @covers ::embed_optimizer_render_generator
 	 */
 	public function test_embed_optimizer_render_generator() {
-		$this->assertSame( 10, has_action( 'wp_head', 'embed_optimizer_render_generator' ) );
 		$tag = get_echo( 'embed_optimizer_render_generator' );
 		$this->assertStringStartsWith( '<meta', $tag );
 		$this->assertStringContainsString( 'generator', $tag );
-		$this->assertStringContainsString( EMBED_OPTIMIZER_VERSION, $tag );
+		$this->assertStringContainsString( 'embed-optimizer ' . EMBED_OPTIMIZER_VERSION, $tag );
 	}
 }
diff --git a/tests/plugins/optimization-detective/helper-tests.php b/tests/plugins/optimization-detective/helper-tests.php
index b8c9526bc..13dab41a8 100644
--- a/tests/plugins/optimization-detective/helper-tests.php
+++ b/tests/plugins/optimization-detective/helper-tests.php
@@ -16,6 +16,6 @@ public function test_od_render_generator_meta_tag() {
 		$tag = get_echo( 'od_render_generator_meta_tag' );
 		$this->assertStringStartsWith( '<meta', $tag );
 		$this->assertStringContainsString( 'generator', $tag );
-		$this->assertStringContainsString( 'Optimization Detective ' . OPTIMIZATION_DETECTIVE_VERSION, $tag );
+		$this->assertStringContainsString( 'optimization-detective ' . OPTIMIZATION_DETECTIVE_VERSION, $tag );
 	}
 }
diff --git a/tests/plugins/speculation-rules/speculation-rules-test.php b/tests/plugins/speculation-rules/speculation-rules-test.php
index 371550776..8d102ecb4 100644
--- a/tests/plugins/speculation-rules/speculation-rules-test.php
+++ b/tests/plugins/speculation-rules/speculation-rules-test.php
@@ -19,6 +19,11 @@ public function tear_down() {
 		parent::tear_down();
 	}
 
+	public function test_hooks() {
+		$this->assertSame( 10, has_action( 'wp_footer', 'plsr_print_speculation_rules' ) );
+		$this->assertSame( 10, has_action( 'wp_head', 'plsr_render_generator_meta_tag' ) );
+	}
+
 	public function data_provider_to_test_print_speculation_rules(): array {
 		return array(
 			'xhtml' => array(
@@ -56,4 +61,16 @@ public function test_plsr_print_speculation_rules_without_html5_support( bool $h
 			$this->assertStringContainsString( '/* <![CDATA[ */', wp_get_inline_script_tag( '/*...*/' ) );
 		}
 	}
+
+	/**
+	 * Test printing the meta generator tag.
+	 *
+	 * @covers ::plsr_render_generator_meta_tag
+	 */
+	public function test_plsr_render_generator_meta_tag() {
+		$tag = get_echo( 'plsr_render_generator_meta_tag' );
+		$this->assertStringStartsWith( '<meta', $tag );
+		$this->assertStringContainsString( 'generator', $tag );
+		$this->assertStringContainsString( 'speculation-rules ' . SPECULATION_RULES_VERSION, $tag );
+	}
 }
diff --git a/tests/plugins/webp-uploads/load-tests.php b/tests/plugins/webp-uploads/load-tests.php
index e78297af1..45fd358e7 100644
--- a/tests/plugins/webp-uploads/load-tests.php
+++ b/tests/plugins/webp-uploads/load-tests.php
@@ -984,6 +984,18 @@ public function it_should_return_correct_quality_for_mime_types() {
 		$this->assertSame( 80, webp_uploads_modify_webp_quality( 80, 'image/jpeg' ), 'JPEG image quality should return default quality provided from WP filter wp_editor_set_quality.' );
 	}
 
+	/**
+	 * Test printing the meta generator tag.
+	 *
+	 * @covers ::webp_uploads_render_generator
+	 */
+	public function test_webp_uploads_render_generator() {
+		$tag = get_echo( 'webp_uploads_render_generator' );
+		$this->assertStringStartsWith( '<meta', $tag );
+		$this->assertStringContainsString( 'generator', $tag );
+		$this->assertStringContainsString( 'webp-uploads ' . WEBP_UPLOADS_VERSION, $tag );
+	}
+
 	/**
 	 * Runs (empty) hooks to satisfy webp_uploads_in_frontend_body() conditions.
 	 */