With the GDPR in force, the way is changing how advertisement performance is tracked on European news sites. According to a study by Reuters Institute for the Study of Journalism the usage of third-party cookies decreased in Europe by 22 percent per page while third-party domains decreased by 4 percent since the GDPR became enforceable. However, reactions to new data regulations highly differ from country to country: In Germany for example habits did not really change while in France and the UK marketing decision makers decide to purge this tracking methods.
News Pages Are Abandoning Third-Party Ad Trackers
GDPR

Description
The chart shows the change of third-party domains and cookies per page (April - July 2018)




















