In a project where we use the Search API to search for content, we noticed that nodes that are marked as "noindex" by the Metatag module are visible during internal searches. Here is a ready-made solution for how to avoid this.

How to Get Your Star Ratings in Google Search Results

This article shows an easy and quick way how to add Star Ratings in Google Search Results. The basic configuration of the required modules and the necessary custom code is provided.