A marketer advertises in many markets around the world, including Germany and France. They've started running YouTube and Search campaigns with Google, and they measure online conversions. Which action should this marketer take to preserve their conversion tracking after regulatory changes such as the Digital Markets Act?

The selection is correct because implementing the Google tag sitewide establishes a durable, first-party data foundation that is essential for navigating modern privacy regulations like the Digital Markets Act (DMA) in Europe. This comprehensive tagging strategy allows the marketer to activate consent mode, which adjusts tag behavior based on user choice to maintain compliance while using conversion modeling to recover lost data. Furthermore, it unlocks enhanced conversions and the Attribution Reporting API, ensuring that Search and YouTube campaigns can still accurately measure performance and feed machine learning models using privacy-safe, hashed signals rather than relying on depreciated third-party cookies.