Facebook recently discovered a bug affecting Facebook Page insights causing inaccurate impression and reach data.
To see how your Page was impacted, look at your organic, paid and viral reach starting on Monday, February 25.
Facebook predicts that you should see:
- Total reach to stay the same or increase
- An increase in paid reach for promoted posts and News Feed ads
- An increase or decrease in organic reach, depending on when and how often you post.
- Changes in engagement rates and virality.
You can see how to analyze your Page Insights by watching the video tutorial here.