300*250 Pixels, png, gif, jpg, html, max 40 KBytes for all data (html: max 3
The square is shown at www.organic-chemistry.org and at www.organische-chemie.ch.
|minimum booking volume: 500 referred
USD, CHF, GBP, AUD, NZD on request.
|per UV||0.9525 EUR|
|per UV (incl. 20% volume discount)||0.7620 EUR||discount schedule|
To avoid the problems of click fraud and inadvertent double clicks, we use
Google Analytics 4 with a data retention of 14 months to determine how many
users have been referred.
You only pay per users. In the example depicted below, you would pay for 146 users. These people have clicked 213 times.
You can find introductory offers and volume discounts in our discount schedule