Affiliate Networks and Click-Throughs

Affiliate networks track both impressions and click-throughs:

• Impressions are the number of times an advertisement was seen
• Click-throughs are the number of times someone clicked on the ad after seeing it

*The ratio of click-throughs to impressions is called the click-through rate. Affiliate marketing networks may track earnings per click or earnings per thousand impressions to help decipher which ad campaigns are the most effective.