This extension was designed to help you understand political bias and make informed decisions about where you get your news. The ratings that are displayed are for each news source, so you can quickly get an idea of the left or right-leaning of the news articles. This will allow you to determine if an article is biased toward a certain point of view. If the article is left-leaning, then the rating will display this on the graph and the left side of the extension. This can help you to identify which news sources to trust and which to avoid.