Cost Per Lead
Many Advertising Network uses this term.Cost Per Lead - Using this type of Ads you will be credited once the visitor completes the offer Package.
Example :
when the visitor to your website gets registered with the particular offer which is shown in your website by the Ad Network you will be credited.
Demo : Call any Phone anywhere Free! Sign Up Here
If the visitors Clicks the above link it will redirected to the Globe 7 website where it will ask you to Register and download the software.Once the visitor completes the offer. I will be credited around 25 RS.
Like this there many offer which may vary - It may ask you only to register or download software such as freeware.Every thing depends up on Ads Network
To Have a look on CPA Offers Provider Click Here