Index: src/wp-admin/includes/class-wp-ms-themes-list-table.php
===================================================================
--- src/wp-admin/includes/class-wp-ms-themes-list-table.php	(revision 51139)
+++ src/wp-admin/includes/class-wp-ms-themes-list-table.php	(working copy)
@@ -718,7 +718,7 @@
 
 		if ( $theme->get( 'ThemeURI' ) ) {
 			/* translators: %s: Theme name. */
-			$aria_label = sprintf( __( 'Visit %s homepage' ), $theme->display( 'Name' ) );
+			$aria_label = sprintf( __( 'Visit theme site for %s' ), $theme->display( 'Name' ) );
 
 			$theme_meta[] = sprintf(
 				'<a href="%s" aria-label="%s">%s</a>',
Index: src/wp-admin/includes/class-wp-plugins-list-table.php
===================================================================
--- src/wp-admin/includes/class-wp-plugins-list-table.php	(revision 51139)
+++ src/wp-admin/includes/class-wp-plugins-list-table.php	(working copy)
@@ -1046,9 +1046,13 @@
 							__( 'View details' )
 						);
 					} elseif ( ! empty( $plugin_data['PluginURI'] ) ) {
+						/* translators: %s: Plugin name. */
+						$aria_label = sprintf( __( 'Visit plugin site for %s' ), $plugin_name );
+
 						$plugin_meta[] = sprintf(
-							'<a href="%s">%s</a>',
+							'<a href="%s" aria-label="%s">%s</a>',
 							esc_url( $plugin_data['PluginURI'] ),
+							esc_attr( $aria_label ),
 							__( 'Visit plugin site' )
 						);
 					}