diff --git a/tests/WP/Dashboard/User_Interface/Readability_Scores/Abstract_Readability_Scores_Test.php b/tests/WP/Dashboard/User_Interface/Readability_Scores/Abstract_Readability_Scores_Test.php
new file mode 100644
index 00000000000..c11a3e8973f
--- /dev/null
+++ b/tests/WP/Dashboard/User_Interface/Readability_Scores/Abstract_Readability_Scores_Test.php
@@ -0,0 +1,45 @@
+<?php
+// @phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- This namespace should reflect the namespace of the original class.
+namespace Yoast\WP\SEO\Tests\WP\Dashboard\User_Interface\Readability_Scores;
+
+use Mockery;
+use Yoast\WP\SEO\Dashboard\Application\Score_Results\Readability_Score_Results\Readability_Score_Results_Repository;
+use Yoast\WP\SEO\Dashboard\User_Interface\Scores\Readability_Scores_Route;
+use Yoast\WP\SEO\Tests\WP\TestCase;
+
+/**
+ * Class Abstract_Readability_Scores_Test
+ */
+abstract class Abstract_Readability_Scores_Test extends TestCase {
+
+	/**
+	 * The instance to test.
+	 *
+	 * @var Readability_Scores_Route
+	 */
+	private $instance;
+
+	/**
+	 * Holds the Readability_Score_Results_Repository instance.
+	 *
+	 * @var Mockery\MockInterface|Readability_Score_Results_Repository
+	 */
+	private $score_results_repository;
+
+	/**
+	 * Set up the test.
+	 *
+	 * @return void
+	 */
+	public function set_up() {
+		parent::set_up();
+		$this->score_results_repository = Mockery::mock( Readability_Score_Results_Repository::class );
+
+		$this->instance = new Readability_Scores_Route( $this->score_results_repository );
+
+		$user = $this->factory->user->create_and_get();
+		$user->add_cap( 'wpseo_manage_options' );
+
+		\wp_set_current_user( $user->ID );
+	}
+}
diff --git a/tests/WP/Dashboard/User_Interface/Readability_Scores/Excluded_Content_Type_Test.php b/tests/WP/Dashboard/User_Interface/Readability_Scores/Excluded_Content_Type_Test.php
new file mode 100644
index 00000000000..cae35bd222d
--- /dev/null
+++ b/tests/WP/Dashboard/User_Interface/Readability_Scores/Excluded_Content_Type_Test.php
@@ -0,0 +1,55 @@
+<?php
+// @phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- This namespace should reflect the namespace of the original class.
+namespace Yoast\WP\SEO\Tests\WP\Dashboard\User_Interface\Readability_Scores;
+
+use WP_REST_Request;
+use WP_REST_Response;
+
+/**
+ * Class Excluded_Content_Type_Test
+ *
+ * @group dashboard
+ *
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\Readability_Scores_Route::get_scores
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\Readability_Scores_Route::get_content_type
+ * @covers Yoast\WP\SEO\Dashboard\Infrastructure\Content_Types\Content_Types_Collector::get_content_types
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Content_Types\Content_Types_List::add
+ */
+final class Excluded_Content_Type_Test extends Abstract_Readability_Scores_Test {
+
+	/**
+	 * Tests the get_scores by sending an excluded-from-indexable-creation content type.
+	 *
+	 * @return void
+	 */
+	public function test_get_readability_scores_with_excluded_content_type() {
+		$request = new WP_REST_Request( 'GET', '/yoast/v1/readability_scores' );
+		$request->set_param( 'contentType', 'post' );
+
+		\add_filter( 'wpseo_indexable_excluded_post_types', [ $this, 'filter_exclude_post' ] );
+
+		$response = \rest_get_server()->dispatch( $request );
+
+		$this->assertInstanceOf( WP_REST_Response::class, $response );
+
+		$response_data = $response->get_data();
+
+		$this->assertSame( 400, $response->status );
+		$this->assertSame( $response_data['error'], 'Invalid content type.' );
+
+		\remove_filter( 'wpseo_indexable_excluded_post_types', [ $this, 'filter_exclude_post' ] );
+	}
+
+	/**
+	 * Filter function to exclude posts from indexable creation.
+	 *
+	 * @param array<string> $excluded_post_types The excluded post types before the filter.
+	 *
+	 * @return array<string> The excluded post types after the filter.
+	 */
+	public function filter_exclude_post( $excluded_post_types ) {
+		$excluded_post_types[] = 'post';
+
+		return $excluded_post_types;
+	}
+}
diff --git a/tests/WP/Dashboard/User_Interface/Readability_Scores/Get_Scores_Test.php b/tests/WP/Dashboard/User_Interface/Readability_Scores/Get_Scores_Test.php
new file mode 100644
index 00000000000..3e839f4d8aa
--- /dev/null
+++ b/tests/WP/Dashboard/User_Interface/Readability_Scores/Get_Scores_Test.php
@@ -0,0 +1,241 @@
+<?php
+// @phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- This namespace should reflect the namespace of the original class.
+namespace Yoast\WP\SEO\Tests\WP\Dashboard\User_Interface\Readability_Scores;
+
+use WP_REST_Request;
+use WP_REST_Response;
+
+/**
+ * Class Get_Scores_Test
+ *
+ * @group dashboard
+ *
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\Readability_Scores_Route::get_scores
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\Readability_Scores_Route::get_content_type
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\Readability_Scores_Route::get_taxonomy
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\Readability_Scores_Route::get_validated_term_id
+ * @covers Yoast\WP\SEO\Dashboard\Application\Score_Results\Readability_Score_Results\Readability_Score_Results_Repository::get_score_results
+ * @covers Yoast\WP\SEO\Dashboard\Infrastructure\Score_Results\Readability_Score_Results\Readability_Score_Results_Collector::get_score_results
+ * @covers Yoast\WP\SEO\Dashboard\Application\Score_Results\Current_Scores_Repository::get_current_scores
+ * @covers Yoast\WP\SEO\Dashboard\Application\Score_Results\Current_Scores_Repository::get_current_score_links
+ * @covers Yoast\WP\SEO\Dashboard\Infrastructure\Score_Groups\Score_Group_Link_Collector::get_view_link
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Results\Score_Result::to_array
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Results\Current_Scores_List::to_array
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Results\Current_Score::get_name
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Results\Current_Score::get_amount
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Results\Current_Score::get_links_to_array
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Groups\Readability_Score_Groups\Readability_Score_Groups_Interface::get_name
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Groups\Readability_Score_Groups\Readability_Score_Groups_Interface::get_min_score
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Groups\Readability_Score_Groups\Readability_Score_Groups_Interface::get_max_score
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Groups\Readability_Score_Groups\Readability_Score_Groups_Interface::get_position
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Groups\Readability_Score_Groups\Readability_Score_Groups_Interface::get_filter_key
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Groups\Readability_Score_Groups\Readability_Score_Groups_Interface::get_filter_value
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Content_Types\Content_Type::get_name
+ */
+final class Get_Scores_Test extends Abstract_Readability_Scores_Test {
+
+	/**
+	 * Tests the get_scores method.
+	 *
+	 * @dataProvider data_provider_get_readability_scores
+	 *
+	 * @param array<array<string,string|false>> $inserted_posts   The posts to be insterted.
+	 * @param bool                              $taxonomy_filter  Whether there's a taxonomy filter.
+	 * @param array<string,int>                 $expected_amounts The amounts of the scores that are expected to be returned.
+	 *
+	 * @return void
+	 */
+	public function test_get_readability_scores( $inserted_posts, $taxonomy_filter, $expected_amounts ) {
+		$this->register_blog_post_type();
+
+		$term = self::factory()->term->create_and_get(
+			[
+				'name'     => 'Test category',
+				'taxonomy' => 'category',
+				[
+					'slug' => 'test-category',
+				],
+			]
+		);
+
+		$term_id   = (int) $term->term_id;
+		$term_slug = 'test-category';
+
+		$request = new WP_REST_Request( 'GET', '/yoast/v1/readability_scores' );
+		$request->set_param( 'contentType', 'blog-post' );
+
+		if ( ! empty( $taxonomy_filter ) ) {
+			$request->set_param( 'taxonomy', 'category' );
+			$request->set_param( 'term', $term_id );
+		}
+
+		$new_ids = [];
+		foreach ( $inserted_posts as $key => $post ) {
+			$meta_input = [];
+			foreach ( $post['meta_input'] as $meta_key => $meta_value ) {
+				$meta_input[ $meta_key ] = $meta_value;
+			}
+
+			$new_ids[] = self::factory()->post->create(
+				[
+					'post_title'    => 'Test Post ' . $key,
+					'post_status'   => 'publish',
+					'post_type'     => 'blog-post',
+					'post_category' => ( $post['custom_category'] ) ? [ $term_id ] : [ 1 ],
+					'meta_input'    => $meta_input,
+				]
+			);
+		}
+
+		$response = \rest_get_server()->dispatch( $request );
+
+		$this->assertInstanceOf( WP_REST_Response::class, $response );
+
+		$response_data = $response->get_data();
+
+		$this->assertIsArray( $response_data );
+		$this->assertIsArray( $response_data['scores'] );
+		$this->assertIsFloat( $response_data['queryTime'] );
+		$this->assertIsBool( $response_data['cacheUsed'] );
+
+		$this->assertEquals( $response_data['scores'][0]['name'], 'good' );
+		$this->assertEquals( $response_data['scores'][0]['amount'], $expected_amounts['good'] );
+
+		$this->assertEquals( $response_data['scores'][1]['name'], 'ok' );
+		$this->assertEquals( $response_data['scores'][1]['amount'], $expected_amounts['ok'] );
+
+		$this->assertEquals( $response_data['scores'][2]['name'], 'bad' );
+		$this->assertEquals( $response_data['scores'][2]['amount'], $expected_amounts['bad'] );
+
+		$this->assertEquals( $response_data['scores'][3]['name'], 'notAnalyzed' );
+		$this->assertEquals( $response_data['scores'][3]['amount'], $expected_amounts['notAnalyzed'] );
+
+		$link_suffix = ( $taxonomy_filter ) ? '&category_name=' . $term_slug : '';
+		$this->assertEquals( $response_data['scores'][0]['links']['view'], 'http://example.org/wp-admin/edit.php?post_status=publish&post_type=blog-post&readability_filter=good' . $link_suffix );
+		$this->assertEquals( $response_data['scores'][1]['links']['view'], 'http://example.org/wp-admin/edit.php?post_status=publish&post_type=blog-post&readability_filter=ok' . $link_suffix );
+		$this->assertEquals( $response_data['scores'][2]['links']['view'], 'http://example.org/wp-admin/edit.php?post_status=publish&post_type=blog-post&readability_filter=bad' . $link_suffix );
+		$this->assertEquals( $response_data['scores'][3]['links']['view'], 'http://example.org/wp-admin/edit.php?post_status=publish&post_type=blog-post&readability_filter=na' . $link_suffix );
+
+		// Clean up.
+		foreach ( $new_ids as $new_id ) {
+			\wp_delete_post( $new_id, true );
+		}
+		\unregister_post_type( 'blog-post' );
+		\wp_delete_term( $term_id, 'category' );
+	}
+
+	/**
+	 * Data provider for test_get_readability_scores.
+	 *
+	 * @return array<string,bool>
+	 */
+	public static function data_provider_get_readability_scores() {
+
+		$inserted_posts_in_multiple_terms = [
+			[
+				'custom_category' => false,
+				'meta_input'      => [
+					'_yoast_wpseo_content_score' => '30',
+				],
+			],
+			[
+				'custom_category' => true,
+				'meta_input'      => [
+					'_yoast_wpseo_content_score' => '30',
+				],
+			],
+			[
+				'custom_category' => false,
+				'meta_input'      => [
+					'_yoast_wpseo_content_score' => '10',
+				],
+			],
+			[
+				'custom_category' => true,
+				'meta_input'      => [
+					'_yoast_wpseo_content_score' => '10',
+				],
+			],
+			[
+				'custom_category' => false,
+				'meta_input'      => [
+					'_yoast_wpseo_content_score' => '50',
+				],
+			],
+			[
+				'custom_category' => true,
+				'meta_input'      => [
+					'_yoast_wpseo_content_score' => '50',
+				],
+			],
+			[
+				'custom_category' => false,
+				'meta_input'      => [
+					'_yoast_wpseo_content_score' => '80',
+				],
+			],
+			[
+				'custom_category' => true,
+				'meta_input'      => [
+					'_yoast_wpseo_content_score' => '80',
+				],
+			],
+			[
+				'custom_category' => false,
+				'meta_input'      => [],
+			],
+			[
+				'custom_category' => true,
+				'meta_input'      => [],
+			],
+		];
+
+		yield 'No posts inserted' => [
+			'inserted_posts'   => [],
+			'taxonomy_filter'  => false,
+			'expected_amounts' => [
+				'good'        => 0,
+				'ok'          => 0,
+				'bad'         => 0,
+				'notAnalyzed' => 0,
+			],
+		];
+		yield 'Multiple posts of all sorts of SEO scores from term with ID 1' => [
+			'inserted_posts'   => $inserted_posts_in_multiple_terms,
+			'taxonomy_filter'  => true,
+			'expected_amounts' => [
+				'good'        => 1,
+				'ok'          => 1,
+				'bad'         => 2,
+				'notAnalyzed' => 1,
+			],
+		];
+		yield 'Multiple posts of all sorts of SEO scores from all terms' => [
+			'inserted_posts'   => $inserted_posts_in_multiple_terms,
+			'taxonomy_filter'  => false,
+			'expected_amounts' => [
+				'good'        => 2,
+				'ok'          => 2,
+				'bad'         => 4,
+				'notAnalyzed' => 2,
+			],
+		];
+	}
+
+	/**
+	 * Action function to register new blog post post type.
+	 *
+	 * @return void
+	 */
+	public function register_blog_post_type() {
+		$args = [
+			'label'              => 'Blog posts',
+			'public'             => true,
+			'has_archive'        => true,
+			'show_in_rest'       => true,
+			'taxonomies'         => [ 'category' ],
+		];
+
+		\register_post_type( 'blog-post', $args );
+	}
+}
diff --git a/tests/WP/Dashboard/User_Interface/Readability_Scores/Invalid_Term_Test.php b/tests/WP/Dashboard/User_Interface/Readability_Scores/Invalid_Term_Test.php
new file mode 100644
index 00000000000..cdd06e1b4d9
--- /dev/null
+++ b/tests/WP/Dashboard/User_Interface/Readability_Scores/Invalid_Term_Test.php
@@ -0,0 +1,45 @@
+<?php
+// @phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- This namespace should reflect the namespace of the original class.
+namespace Yoast\WP\SEO\Tests\WP\Dashboard\User_Interface\Readability_Scores;
+
+use WP_REST_Request;
+use WP_REST_Response;
+
+/**
+ * Class Invalid_Term_Test
+ *
+ * @group dashboard
+ *
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\Readability_Scores_Route::get_validated_term_id
+ */
+final class Invalid_Term_Test extends Abstract_Readability_Scores_Test {
+
+	/**
+	 * Tests the get_scores by sending an invalid term for this taxonomy and content type.
+	 *
+	 * @return void
+	 */
+	public function test_get_readability_scores_with_invalid_term() {
+		$tag_id = \wp_insert_term(
+			'Test tag',
+			'post_tag',
+			[
+				'slug' => 'test-tag',
+			]
+		);
+
+		$request = new WP_REST_Request( 'GET', '/yoast/v1/readability_scores' );
+		$request->set_param( 'contentType', 'post' );
+		$request->set_param( 'taxonomy', 'category' );
+		$request->set_param( 'term', $tag_id['term_id'] );
+
+		$response = \rest_get_server()->dispatch( $request );
+
+		$this->assertInstanceOf( WP_REST_Response::class, $response );
+
+		$response_data = $response->get_data();
+
+		$this->assertSame( 400, $response->status );
+		$this->assertSame( $response_data['error'], 'Invalid term.' );
+	}
+}
diff --git a/tests/WP/Dashboard/User_Interface/Readability_Scores/Non_Existing_Content_Type_Test.php b/tests/WP/Dashboard/User_Interface/Readability_Scores/Non_Existing_Content_Type_Test.php
new file mode 100644
index 00000000000..53b326ff921
--- /dev/null
+++ b/tests/WP/Dashboard/User_Interface/Readability_Scores/Non_Existing_Content_Type_Test.php
@@ -0,0 +1,36 @@
+<?php
+// @phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- This namespace should reflect the namespace of the original class.
+namespace Yoast\WP\SEO\Tests\WP\Dashboard\User_Interface\Readability_Scores;
+
+use WP_REST_Request;
+use WP_REST_Response;
+
+/**
+ * Class Non_Existing_Content_Type_Test
+ *
+ * @group dashboard
+ *
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\Readability_Scores_Route::get_scores
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\Readability_Scores_Route::get_content_type
+ */
+final class Non_Existing_Content_Type_Test extends Abstract_Readability_Scores_Test {
+
+	/**
+	 * Tests the get_scores by sending a non existing content type.
+	 *
+	 * @return void
+	 */
+	public function test_get_readability_scores_with_non_existing_content_type() {
+		$request = new WP_REST_Request( 'GET', '/yoast/v1/readability_scores' );
+		$request->set_param( 'contentType', 'not-existing-content-type' );
+
+		$response = \rest_get_server()->dispatch( $request );
+
+		$this->assertInstanceOf( WP_REST_Response::class, $response );
+
+		$response_data = $response->get_data();
+
+		$this->assertSame( 400, $response->status );
+		$this->assertSame( $response_data['error'], 'Invalid content type.' );
+	}
+}
diff --git a/tests/WP/Dashboard/User_Interface/Readability_Scores/Non_Filtering_Taxonomy_Test.php b/tests/WP/Dashboard/User_Interface/Readability_Scores/Non_Filtering_Taxonomy_Test.php
new file mode 100644
index 00000000000..702622eaf45
--- /dev/null
+++ b/tests/WP/Dashboard/User_Interface/Readability_Scores/Non_Filtering_Taxonomy_Test.php
@@ -0,0 +1,38 @@
+<?php
+// @phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- This namespace should reflect the namespace of the original class.
+namespace Yoast\WP\SEO\Tests\WP\Dashboard\User_Interface\Readability_Scores;
+
+use WP_REST_Request;
+use WP_REST_Response;
+
+/**
+ * Class Non_Filtering_Taxonomy_Test
+ *
+ * @group dashboard
+ *
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\Readability_Scores_Route::get_taxonomy
+ * @covers Yoast\WP\SEO\Dashboard\Application\Taxonomies\Taxonomies_Repository::get_content_type_taxonomy
+ */
+final class Non_Filtering_Taxonomy_Test extends Abstract_Readability_Scores_Test {
+
+	/**
+	 * Tests the get_scores by sending a non filtering taxonomy for this content type.
+	 *
+	 * @return void
+	 */
+	public function test_get_readability_scores_with_non_filtering_taxonomy() {
+		$request = new WP_REST_Request( 'GET', '/yoast/v1/readability_scores' );
+		$request->set_param( 'contentType', 'post' );
+		$request->set_param( 'taxonomy', 'post_tag' );
+		$request->set_param( 'term', 'irrelevant' );
+
+		$response = \rest_get_server()->dispatch( $request );
+
+		$this->assertInstanceOf( WP_REST_Response::class, $response );
+
+		$response_data = $response->get_data();
+
+		$this->assertSame( 400, $response->status );
+		$this->assertSame( $response_data['error'], 'Invalid taxonomy.' );
+	}
+}
diff --git a/tests/WP/Dashboard/User_Interface/Readability_Scores/Not_Priviliged_User_Test.php b/tests/WP/Dashboard/User_Interface/Readability_Scores/Not_Priviliged_User_Test.php
new file mode 100644
index 00000000000..a72a5159b51
--- /dev/null
+++ b/tests/WP/Dashboard/User_Interface/Readability_Scores/Not_Priviliged_User_Test.php
@@ -0,0 +1,38 @@
+<?php
+// @phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- This namespace should reflect the namespace of the original class.
+namespace Yoast\WP\SEO\Tests\WP\Dashboard\User_Interface\Readability_Scores;
+
+use WP_REST_Request;
+use WP_REST_Response;
+
+/**
+ * Class Not_Priviliged_User_Test
+ *
+ * @group dashboard
+ *
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\Readability_Scores_Route::permission_manage_options
+ */
+final class Not_Priviliged_User_Test extends Abstract_Readability_Scores_Test {
+
+	/**
+	 * Tests trying to get_scores with an unauthorized user.
+	 *
+	 * @return void
+	 */
+	public function test_get_readability_scores_with_not_priviliged_user() {
+		$user = $this->factory->user->create_and_get( [ 'role' => 'author' ] );
+		\wp_set_current_user( $user->ID );
+
+		$request = new WP_REST_Request( 'GET', '/yoast/v1/readability_scores' );
+		$request->set_param( 'contentType', 'post' );
+
+		$response = \rest_get_server()->dispatch( $request );
+
+		$this->assertInstanceOf( WP_REST_Response::class, $response );
+
+		$response_data = $response->get_data();
+
+		$this->assertSame( $response_data['code'], 'rest_forbidden' );
+		$this->assertSame( $response_data['data']['status'], 403 );
+	}
+}
diff --git a/tests/WP/Dashboard/User_Interface/SEO_Scores/Abstract_SEO_Scores_Test.php b/tests/WP/Dashboard/User_Interface/SEO_Scores/Abstract_SEO_Scores_Test.php
new file mode 100644
index 00000000000..b28973adc3e
--- /dev/null
+++ b/tests/WP/Dashboard/User_Interface/SEO_Scores/Abstract_SEO_Scores_Test.php
@@ -0,0 +1,45 @@
+<?php
+// @phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- This namespace should reflect the namespace of the original class.
+namespace Yoast\WP\SEO\Tests\WP\Dashboard\User_Interface\SEO_Scores;
+
+use Mockery;
+use Yoast\WP\SEO\Dashboard\Application\Score_Results\SEO_Score_Results\SEO_Score_Results_Repository;
+use Yoast\WP\SEO\Dashboard\User_Interface\Scores\SEO_Scores_Route;
+use Yoast\WP\SEO\Tests\WP\TestCase;
+
+/**
+ * Class Abstract_SEO_Scores_Test
+ */
+abstract class Abstract_SEO_Scores_Test extends TestCase {
+
+	/**
+	 * The instance to test.
+	 *
+	 * @var SEO_Scores_Route
+	 */
+	private $instance;
+
+	/**
+	 * Holds the SEO_Score_Results_Repository instance.
+	 *
+	 * @var Mockery\MockInterface|SEO_Score_Results_Repository
+	 */
+	private $score_results_repository;
+
+	/**
+	 * Set up the test.
+	 *
+	 * @return void
+	 */
+	public function set_up() {
+		parent::set_up();
+		$this->score_results_repository = Mockery::mock( SEO_Score_Results_Repository::class );
+
+		$this->instance = new SEO_Scores_Route( $this->score_results_repository );
+
+		$user = $this->factory->user->create_and_get();
+		$user->add_cap( 'wpseo_manage_options' );
+
+		\wp_set_current_user( $user->ID );
+	}
+}
diff --git a/tests/WP/Dashboard/User_Interface/SEO_Scores/Excluded_Content_Type_Test.php b/tests/WP/Dashboard/User_Interface/SEO_Scores/Excluded_Content_Type_Test.php
new file mode 100644
index 00000000000..af00501da23
--- /dev/null
+++ b/tests/WP/Dashboard/User_Interface/SEO_Scores/Excluded_Content_Type_Test.php
@@ -0,0 +1,55 @@
+<?php
+// @phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- This namespace should reflect the namespace of the original class.
+namespace Yoast\WP\SEO\Tests\WP\Dashboard\User_Interface\SEO_Scores;
+
+use WP_REST_Request;
+use WP_REST_Response;
+
+/**
+ * Class Excluded_Content_Type_Test
+ *
+ * @group dashboard
+ *
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\SEO_Scores_Route::get_scores
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\SEO_Scores_Route::get_content_type
+ * @covers Yoast\WP\SEO\Dashboard\Infrastructure\Content_Types\Content_Types_Collector::get_content_types
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Content_Types\Content_Types_List::add
+ */
+final class Excluded_Content_Type_Test extends Abstract_SEO_Scores_Test {
+
+	/**
+	 * Tests the get_scores by sending an excluded-from-indexable-creation content type.
+	 *
+	 * @return void
+	 */
+	public function test_get_seo_scores_with_excluded_content_type() {
+		$request = new WP_REST_Request( 'GET', '/yoast/v1/seo_scores' );
+		$request->set_param( 'contentType', 'post' );
+
+		\add_filter( 'wpseo_indexable_excluded_post_types', [ $this, 'filter_exclude_post' ] );
+
+		$response = \rest_get_server()->dispatch( $request );
+
+		$this->assertInstanceOf( WP_REST_Response::class, $response );
+
+		$response_data = $response->get_data();
+
+		$this->assertSame( 400, $response->status );
+		$this->assertSame( $response_data['error'], 'Invalid content type.' );
+
+		\remove_filter( 'wpseo_indexable_excluded_post_types', [ $this, 'filter_exclude_post' ] );
+	}
+
+	/**
+	 * Filter function to exclude posts from indexable creation.
+	 *
+	 * @param array<string> $excluded_post_types The excluded post types before the filter.
+	 *
+	 * @return array<string> The excluded post types after the filter.
+	 */
+	public function filter_exclude_post( $excluded_post_types ) {
+		$excluded_post_types[] = 'post';
+
+		return $excluded_post_types;
+	}
+}
diff --git a/tests/WP/Dashboard/User_Interface/SEO_Scores/Get_Scores_Test.php b/tests/WP/Dashboard/User_Interface/SEO_Scores/Get_Scores_Test.php
new file mode 100644
index 00000000000..f642b75befb
--- /dev/null
+++ b/tests/WP/Dashboard/User_Interface/SEO_Scores/Get_Scores_Test.php
@@ -0,0 +1,249 @@
+<?php
+// @phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- This namespace should reflect the namespace of the original class.
+namespace Yoast\WP\SEO\Tests\WP\Dashboard\User_Interface\SEO_Scores;
+
+use WP_REST_Request;
+use WP_REST_Response;
+
+/**
+ * Class Get_Scores_Test
+ *
+ * @group dashboard
+ *
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\SEO_Scores_Route::get_scores
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\SEO_Scores_Route::get_content_type
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\SEO_Scores_Route::get_taxonomy
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\SEO_Scores_Route::get_validated_term_id
+ * @covers Yoast\WP\SEO\Dashboard\Application\Score_Results\SEO_Score_Results\SEO_Score_Results_Repository::get_score_results
+ * @covers Yoast\WP\SEO\Dashboard\Infrastructure\Score_Results\SEO_Score_Results\SEO_Score_Results_Collector::get_score_results
+ * @covers Yoast\WP\SEO\Dashboard\Application\Score_Results\Current_Scores_Repository::get_current_scores
+ * @covers Yoast\WP\SEO\Dashboard\Application\Score_Results\Current_Scores_Repository::get_current_score_links
+ * @covers Yoast\WP\SEO\Dashboard\Infrastructure\Score_Groups\Score_Group_Link_Collector::get_view_link
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Results\Score_Result::to_array
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Results\Current_Scores_List::to_array
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Results\Current_Score::get_name
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Results\Current_Score::get_amount
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Results\Current_Score::get_links_to_array
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Groups\SEO_Score_Groups\SEO_Score_Groups_Interface::get_name
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Groups\SEO_Score_Groups\SEO_Score_Groups_Interface::get_min_score
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Groups\SEO_Score_Groups\SEO_Score_Groups_Interface::get_max_score
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Groups\SEO_Score_Groups\SEO_Score_Groups_Interface::get_position
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Groups\SEO_Score_Groups\SEO_Score_Groups_Interface::get_filter_key
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Score_Groups\SEO_Score_Groups\SEO_Score_Groups_Interface::get_filter_value
+ * @covers Yoast\WP\SEO\Dashboard\Domain\Content_Types\Content_Type::get_name
+ */
+final class Get_Scores_Test extends Abstract_SEO_Scores_Test {
+
+	/**
+	 * Tests the get_scores method.
+	 *
+	 * @dataProvider data_provider_get_seo_scores
+	 *
+	 * @param array<array<string,string|false>> $inserted_posts   The posts to be insterted.
+	 * @param bool                              $taxonomy_filter  Whether there's a taxonomy filter.
+	 * @param array<string,int>                 $expected_amounts The amounts of the scores that are expected to be returned.
+	 *
+	 * @return void
+	 */
+	public function test_get_seo_scores( $inserted_posts, $taxonomy_filter, $expected_amounts ) {
+		$this->register_blog_post_type();
+
+		$term = self::factory()->term->create_and_get(
+			[
+				'name'     => 'Test category',
+				'taxonomy' => 'category',
+				[
+					'slug' => 'test-category',
+				],
+			]
+		);
+
+		$term_id   = (int) $term->term_id;
+		$term_slug = 'test-category';
+
+		$request = new WP_REST_Request( 'GET', '/yoast/v1/seo_scores' );
+		$request->set_param( 'contentType', 'blog-post' );
+
+		if ( ! empty( $taxonomy_filter ) ) {
+			$request->set_param( 'taxonomy', 'category' );
+			$request->set_param( 'term', $term_id );
+		}
+
+		$new_ids = [];
+		foreach ( $inserted_posts as $key => $post ) {
+			$meta_input = [];
+			foreach ( $post['meta_input'] as $meta_key => $meta_value ) {
+				$meta_input[ $meta_key ] = $meta_value;
+			}
+
+			$new_ids[] = self::factory()->post->create(
+				[
+					'post_title'    => 'Test Post ' . $key,
+					'post_status'   => 'publish',
+					'post_type'     => 'blog-post',
+					'post_category' => ( $post['custom_category'] ) ? [ $term_id ] : [ 1 ],
+					'meta_input'    => $meta_input,
+				]
+			);
+		}
+
+		$response = \rest_get_server()->dispatch( $request );
+
+		$this->assertInstanceOf( WP_REST_Response::class, $response );
+
+		$response_data = $response->get_data();
+
+		$this->assertIsArray( $response_data );
+		$this->assertIsArray( $response_data['scores'] );
+		$this->assertIsFloat( $response_data['queryTime'] );
+		$this->assertIsBool( $response_data['cacheUsed'] );
+
+		$this->assertEquals( $response_data['scores'][0]['name'], 'good' );
+		$this->assertEquals( $response_data['scores'][0]['amount'], $expected_amounts['good'] );
+
+		$this->assertEquals( $response_data['scores'][1]['name'], 'ok' );
+		$this->assertEquals( $response_data['scores'][1]['amount'], $expected_amounts['ok'] );
+
+		$this->assertEquals( $response_data['scores'][2]['name'], 'bad' );
+		$this->assertEquals( $response_data['scores'][2]['amount'], $expected_amounts['bad'] );
+
+		$this->assertEquals( $response_data['scores'][3]['name'], 'notAnalyzed' );
+		$this->assertEquals( $response_data['scores'][3]['amount'], $expected_amounts['notAnalyzed'] );
+
+		$link_suffix = ( $taxonomy_filter ) ? '&category_name=' . $term_slug : '';
+		$this->assertEquals( $response_data['scores'][0]['links']['view'], 'http://example.org/wp-admin/edit.php?post_status=publish&post_type=blog-post&seo_filter=good' . $link_suffix );
+		$this->assertEquals( $response_data['scores'][1]['links']['view'], 'http://example.org/wp-admin/edit.php?post_status=publish&post_type=blog-post&seo_filter=ok' . $link_suffix );
+		$this->assertEquals( $response_data['scores'][2]['links']['view'], 'http://example.org/wp-admin/edit.php?post_status=publish&post_type=blog-post&seo_filter=bad' . $link_suffix );
+		$this->assertEquals( $response_data['scores'][3]['links']['view'], 'http://example.org/wp-admin/edit.php?post_status=publish&post_type=blog-post&seo_filter=na' . $link_suffix );
+
+		// Clean up.
+		foreach ( $new_ids as $new_id ) {
+			\wp_delete_post( $new_id, true );
+		}
+		\unregister_post_type( 'blog-post' );
+		\wp_delete_term( $term_id, 'category' );
+	}
+
+	/**
+	 * Data provider for test_get_seo_scores.
+	 *
+	 * @return array<string,bool>
+	 */
+	public static function data_provider_get_seo_scores() {
+
+		$inserted_posts_in_multiple_terms = [
+			[
+				'custom_category' => false,
+				'meta_input'      => [
+					'_yoast_wpseo_linkdex' => '30',
+					'_yoast_wpseo_focuskw' => 'test',
+				],
+			],
+			[
+				'custom_category' => true,
+				'meta_input'      => [
+					'_yoast_wpseo_linkdex' => '30',
+					'_yoast_wpseo_focuskw' => 'test',
+				],
+			],
+			[
+				'custom_category' => false,
+				'meta_input'      => [
+					'_yoast_wpseo_linkdex' => '10',
+					'_yoast_wpseo_focuskw' => 'test',
+				],
+			],
+			[
+				'custom_category' => true,
+				'meta_input'      => [
+					'_yoast_wpseo_linkdex' => '10',
+					'_yoast_wpseo_focuskw' => 'test',
+				],
+			],
+			[
+				'custom_category' => false,
+				'meta_input'      => [
+					'_yoast_wpseo_linkdex' => '50',
+					'_yoast_wpseo_focuskw' => 'test',
+				],
+			],
+			[
+				'custom_category' => true,
+				'meta_input'      => [
+					'_yoast_wpseo_linkdex' => '50',
+					'_yoast_wpseo_focuskw' => 'test',
+				],
+			],
+			[
+				'custom_category' => false,
+				'meta_input'      => [
+					'_yoast_wpseo_linkdex' => '80',
+					'_yoast_wpseo_focuskw' => 'test',
+				],
+			],
+			[
+				'custom_category' => true,
+				'meta_input'      => [
+					'_yoast_wpseo_linkdex' => '80',
+					'_yoast_wpseo_focuskw' => 'test',
+				],
+			],
+			[
+				'custom_category' => false,
+				'meta_input'      => [],
+			],
+			[
+				'custom_category' => true,
+				'meta_input'      => [],
+			],
+		];
+
+		yield 'No posts inserted' => [
+			'inserted_posts'   => [],
+			'taxonomy_filter'  => false,
+			'expected_amounts' => [
+				'good'        => 0,
+				'ok'          => 0,
+				'bad'         => 0,
+				'notAnalyzed' => 0,
+			],
+		];
+		yield 'Multiple posts of all sorts of SEO scores from term with ID 1' => [
+			'inserted_posts'   => $inserted_posts_in_multiple_terms,
+			'taxonomy_filter'  => true,
+			'expected_amounts' => [
+				'good'        => 1,
+				'ok'          => 1,
+				'bad'         => 2,
+				'notAnalyzed' => 1,
+			],
+		];
+		yield 'Multiple posts of all sorts of SEO scores from all terms' => [
+			'inserted_posts'   => $inserted_posts_in_multiple_terms,
+			'taxonomy_filter'  => false,
+			'expected_amounts' => [
+				'good'        => 2,
+				'ok'          => 2,
+				'bad'         => 4,
+				'notAnalyzed' => 2,
+			],
+		];
+	}
+
+	/**
+	 * Action function to register new blog post post type.
+	 *
+	 * @return void
+	 */
+	public function register_blog_post_type() {
+		$args = [
+			'label'              => 'Blog posts',
+			'public'             => true,
+			'has_archive'        => true,
+			'show_in_rest'       => true,
+			'taxonomies'         => [ 'category' ],
+		];
+
+		\register_post_type( 'blog-post', $args );
+	}
+}
diff --git a/tests/WP/Dashboard/User_Interface/SEO_Scores/Invalid_Term_Test.php b/tests/WP/Dashboard/User_Interface/SEO_Scores/Invalid_Term_Test.php
new file mode 100644
index 00000000000..d149bac86a6
--- /dev/null
+++ b/tests/WP/Dashboard/User_Interface/SEO_Scores/Invalid_Term_Test.php
@@ -0,0 +1,45 @@
+<?php
+// @phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- This namespace should reflect the namespace of the original class.
+namespace Yoast\WP\SEO\Tests\WP\Dashboard\User_Interface\SEO_Scores;
+
+use WP_REST_Request;
+use WP_REST_Response;
+
+/**
+ * Class Invalid_Term_Test
+ *
+ * @group dashboard
+ *
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\SEO_Scores_Route::get_validated_term_id
+ */
+final class Invalid_Term_Test extends Abstract_SEO_Scores_Test {
+
+	/**
+	 * Tests the get_scores by sending an invalid term for this taxonomy and content type.
+	 *
+	 * @return void
+	 */
+	public function test_get_seo_scores_with_invalid_term() {
+		$tag_id = \wp_insert_term(
+			'Test tag',
+			'post_tag',
+			[
+				'slug' => 'test-tag',
+			]
+		);
+
+		$request = new WP_REST_Request( 'GET', '/yoast/v1/seo_scores' );
+		$request->set_param( 'contentType', 'post' );
+		$request->set_param( 'taxonomy', 'category' );
+		$request->set_param( 'term', $tag_id['term_id'] );
+
+		$response = \rest_get_server()->dispatch( $request );
+
+		$this->assertInstanceOf( WP_REST_Response::class, $response );
+
+		$response_data = $response->get_data();
+
+		$this->assertSame( 400, $response->status );
+		$this->assertSame( $response_data['error'], 'Invalid term.' );
+	}
+}
diff --git a/tests/WP/Dashboard/User_Interface/SEO_Scores/Non_Existing_Content_Type_Test.php b/tests/WP/Dashboard/User_Interface/SEO_Scores/Non_Existing_Content_Type_Test.php
new file mode 100644
index 00000000000..c0917b5d42d
--- /dev/null
+++ b/tests/WP/Dashboard/User_Interface/SEO_Scores/Non_Existing_Content_Type_Test.php
@@ -0,0 +1,36 @@
+<?php
+// @phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- This namespace should reflect the namespace of the original class.
+namespace Yoast\WP\SEO\Tests\WP\Dashboard\User_Interface\SEO_Scores;
+
+use WP_REST_Request;
+use WP_REST_Response;
+
+/**
+ * Class Non_Existing_Content_Type_Test
+ *
+ * @group dashboard
+ *
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\SEO_Scores_Route::get_scores
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\SEO_Scores_Route::get_content_type
+ */
+final class Non_Existing_Content_Type_Test extends Abstract_SEO_Scores_Test {
+
+	/**
+	 * Tests the get_scores by sending a non existing content type.
+	 *
+	 * @return void
+	 */
+	public function test_get_seo_scores_with_non_existing_content_type() {
+		$request = new WP_REST_Request( 'GET', '/yoast/v1/seo_scores' );
+		$request->set_param( 'contentType', 'not-existing-content-type' );
+
+		$response = \rest_get_server()->dispatch( $request );
+
+		$this->assertInstanceOf( WP_REST_Response::class, $response );
+
+		$response_data = $response->get_data();
+
+		$this->assertSame( 400, $response->status );
+		$this->assertSame( $response_data['error'], 'Invalid content type.' );
+	}
+}
diff --git a/tests/WP/Dashboard/User_Interface/SEO_Scores/Non_Filtering_Taxonomy_Test.php b/tests/WP/Dashboard/User_Interface/SEO_Scores/Non_Filtering_Taxonomy_Test.php
new file mode 100644
index 00000000000..0f1a834702a
--- /dev/null
+++ b/tests/WP/Dashboard/User_Interface/SEO_Scores/Non_Filtering_Taxonomy_Test.php
@@ -0,0 +1,38 @@
+<?php
+// @phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- This namespace should reflect the namespace of the original class.
+namespace Yoast\WP\SEO\Tests\WP\Dashboard\User_Interface\SEO_Scores;
+
+use WP_REST_Request;
+use WP_REST_Response;
+
+/**
+ * Class Non_Filtering_Taxonomy_Test
+ *
+ * @group dashboard
+ *
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\SEO_Scores_Route::get_taxonomy
+ * @covers Yoast\WP\SEO\Dashboard\Application\Taxonomies\Taxonomies_Repository::get_content_type_taxonomy
+ */
+final class Non_Filtering_Taxonomy_Test extends Abstract_SEO_Scores_Test {
+
+	/**
+	 * Tests the get_scores by sending a non filtering taxonomy for this content type.
+	 *
+	 * @return void
+	 */
+	public function test_get_seo_scores_with_non_filtering_taxonomy() {
+		$request = new WP_REST_Request( 'GET', '/yoast/v1/seo_scores' );
+		$request->set_param( 'contentType', 'post' );
+		$request->set_param( 'taxonomy', 'post_tag' );
+		$request->set_param( 'term', 'irrelevant' );
+
+		$response = \rest_get_server()->dispatch( $request );
+
+		$this->assertInstanceOf( WP_REST_Response::class, $response );
+
+		$response_data = $response->get_data();
+
+		$this->assertSame( 400, $response->status );
+		$this->assertSame( $response_data['error'], 'Invalid taxonomy.' );
+	}
+}
diff --git a/tests/WP/Dashboard/User_Interface/SEO_Scores/Not_Priviliged_User_Test.php b/tests/WP/Dashboard/User_Interface/SEO_Scores/Not_Priviliged_User_Test.php
new file mode 100644
index 00000000000..8cc6831bbcc
--- /dev/null
+++ b/tests/WP/Dashboard/User_Interface/SEO_Scores/Not_Priviliged_User_Test.php
@@ -0,0 +1,38 @@
+<?php
+// @phpcs:disable Yoast.NamingConventions.NamespaceName.TooLong -- This namespace should reflect the namespace of the original class.
+namespace Yoast\WP\SEO\Tests\WP\Dashboard\User_Interface\SEO_Scores;
+
+use WP_REST_Request;
+use WP_REST_Response;
+
+/**
+ * Class Not_Priviliged_User_Test
+ *
+ * @group dashboard
+ *
+ * @covers Yoast\WP\SEO\Dashboard\User_Interface\Scores\SEO_Scores_Route::permission_manage_options
+ */
+final class Not_Priviliged_User_Test extends Abstract_SEO_Scores_Test {
+
+	/**
+	 * Tests trying to get_scores with an unauthorized user.
+	 *
+	 * @return void
+	 */
+	public function test_get_seo_scores_with_not_priviliged_user() {
+		$user = $this->factory->user->create_and_get( [ 'role' => 'author' ] );
+		\wp_set_current_user( $user->ID );
+
+		$request = new WP_REST_Request( 'GET', '/yoast/v1/seo_scores' );
+		$request->set_param( 'contentType', 'post' );
+
+		$response = \rest_get_server()->dispatch( $request );
+
+		$this->assertInstanceOf( WP_REST_Response::class, $response );
+
+		$response_data = $response->get_data();
+
+		$this->assertSame( $response_data['code'], 'rest_forbidden' );
+		$this->assertSame( $response_data['data']['status'], 403 );
+	}
+}
diff --git a/tests/WP/Sitemaps/Post_Type_Sitemap_Provider_Test.php b/tests/WP/Sitemaps/Post_Type_Sitemap_Provider_Test.php
index 68668c8595c..c768615f2a2 100644
--- a/tests/WP/Sitemaps/Post_Type_Sitemap_Provider_Test.php
+++ b/tests/WP/Sitemaps/Post_Type_Sitemap_Provider_Test.php
@@ -102,9 +102,9 @@ public function test_get_index_links_multiple_entries_non_paged() {
 	 */
 	public function test_get_index_links_empty_bucket() {
 
-		$this->factory->post->create();
-		$this->excluded_posts = [ $this->factory->post->create() ]; // Remove this post.
-		$this->factory->post->create();
+		self::factory()->post->create( [ 'post_date' => '2024-01-01 00:00:01' ] );
+		$this->excluded_posts = [ self::factory()->post->create( [ 'post_date' => '2024-01-01 00:00:02' ] ) ]; // Remove this post.
+		self::factory()->post->create( [ 'post_date' => '2024-01-01 00:00:03' ] );
 
 		\add_filter( 'wpseo_exclude_from_sitemap_by_post_ids', [ $this, 'exclude_post' ] );
 		\add_filter( 'wpseo_sitemap_entries_per_page', [ $this, 'return_one' ] );