What a Google Penalty Looks Like

This guy got penalized by Google.  He made some adjustments and got in touch with Google to let them know.  This is how his traffic gradually climbed back:

Below is the graph of how the Google penalty played out. I wasn’t surprised by the 90-day duration of the penalty: I had read other reports of similar link-based actions. I didn’t expect, however, the gradual ramp-back of the the “penalty release” period. In all, it took about 4 months to get back to normal traffic.

What a Google penalty looks like

via What a Google Penalty Looks Like | Mitch Fournier.