diff --git a/php/Block.php b/php/Block.php
index b5aab89..10b3071 100644
--- a/php/Block.php
+++ b/php/Block.php
@@ -8,6 +8,7 @@
 namespace XWP\SiteCounts;
 
 use WP_Block;
+use WP_Query;
 
 /**
  * The Site Counts dynamic block.
@@ -63,28 +64,89 @@ public function register_block() {
 	 */
 	public function render_callback( $attributes, $content, $block ) {
 		$post_types = get_post_types( [ 'public' => true ] );
-		$class_name = $attributes['className'];
+		$class_name = $block->block_type->attributes['className'];
 		ob_start();
 
 		?>
-		<div class="<?php echo $class_name; ?>">
-			<h2>Post Counts</h2>
+		<div class="<?php echo esc_attr( $class_name ); ?>">
+			<h2>
+				<?php
+				esc_html_e( 'Post Counts', 'site-counts' );
+				?>
+			</h2>
+			<ul>
+				<?php
+				foreach ( $post_types as $post_type_slug ) :
+					$post_type_object = get_post_type_object( $post_type_slug );
+					$post_count       = count(
+						get_posts(
+							[
+								'post_type'      => $post_type_slug,
+								'posts_per_page' => -1,
+							]
+						)
+					);
+
+					?>
+					<li>
+						<?php
+						echo esc_html( 'There are ', 'site-counts' ) . esc_attr( $post_count ) . esc_html( '&nbsp;', 'site-counts' ) . esc_attr( $post_type_object->labels->name ) . esc_html( '.', 'site-counts' );
+						?>
+					</li>
+					<?php
+				endforeach;
+				?>
+			</ul>
+			<p>
+				<?php
+				$current_post_id = get_the_ID();
+				echo esc_html( 'The current post ID is ', 'site-counts' ) . esc_attr( $current_post_id ) . esc_html( '.', 'site-counts' );
+				?>
+			</p>
+
 			<?php
-			foreach ( $post_types as $post_type_slug ) :
-				$post_type_object = get_post_type_object( $post_type_slug );
-				$post_count = count(
-					get_posts(
-						[
-							'post_type' => $post_type_slug,
-							'posts_per_page' => -1,
-						]
-					)
-				);
+			$query = new WP_Query(
+				( [
+					'post_type'     => [ 'post', 'page' ],
+					'post_status'   => 'any',
+					'date_query'    => ( [
+						( [
+							'hour'    => 9,
+							'compare' => '>=',
+						] ),
+						( [
+							'hour'    => 17,
+							'compare' => '<=',
+						] ),
+					] ),
+					'tag'           => 'foo',
+					'category_name' => 'baz',
+					'post__not_in'  => [ get_the_ID() ],
+				] )
+			);
 
+			if ( $query->found_posts ) :
 				?>
-				<p><?php echo 'There are ' . $post_count . ' ' . $post_type_object->labels->name . '.'; ?></p>
-			<?php endforeach; ?>
-			<p><?php echo 'The current post ID is ' . $_GET['post_id'] . '.'; ?></p>
+					<h2>
+						<?php
+						esc_html__( 'Any 5 posts with the tag of foo and the category of baz', 'site-counts' );
+						?>
+					</h2>
+				<ul>
+					<?php
+
+					foreach ( array_slice( $query->posts, 0, 5 ) as $post ) :
+						?>
+						<li>
+							<?php
+							echo esc_attr( $post->post_title );
+							?>
+						</li>
+						<?php
+						endforeach;
+				endif;
+			?>
+				</ul>
 		</div>
 		<?php