Citation flow refers to a metric that is used by SEO tools to check the quantity of links that point to the website. It tracks the backlinks that the page has and not the quality and the authority of it. Pages with a higher citation flow can rank well on the SERP.
The citation flow becomes a very important metric to check how popular a website is. However, the businesses trying to use this metric need to ensure the worthiness and the quality of links that is being added. High-quality backlinks, along with a good citation flow help the website get a higher search engine ranking.