organic impression
Facebook is Changing How it Calculates Organic Impressions - Search Engine Journal
Facebook pages are likely to see organic impressions go down as a result of changes being made to how impressions are calculated. Matt Navarra broke the news today on Twitter, stating that the changes are rolling out between October 17-28. Facebook is changing how it calculates organic impressions meaning it will likely show a decline. Here's is a breakdown of the changes as I understand them. Facebook is specifically changing how repeat organic page impressions are calculated.