300*250 Pixels, gif, jpg, html, max 40 KBytes for all data
The square is shown at www.organic-chemistry.org and at www.organische-chemie.ch.
|minimum booking volume: 500 Referred Unique Visitors (UV)|
|per UV||0.80 EUR||~ 0.92 USD||~ 0.96 CHF|
|per UV (incl. 30% volume discount)||0.56 EUR||~ 0.64 USD||~ 0.67 CHF||discount schedule|
To avoid the problems of click fraud and inadvertent double clicks, we use
Google Analytics to determine how many unique visitors have been referred.
You only pay per unique visitor per month. In the example depicted below, you would pay for 146 unique visitors. These people have clicked 213 times.
You can find introductory offers and volume discounts in our discount schedule