• An advertiser should go through the Google Ads API for enhanced conversions.
• An advertiser should go through Google Tag Assistant.
• An advertiser should go through Google Analytics Manager.
• An advertiser should go through Google Tag Manager, Google tag, or Google Ads API to set up enhanced conversions.

The Correct Answer is: An advertiser should go through Google Tag Manager, Google tag, or Google Ads API to set up enhanced conversions.

Explanation: To set up enhanced conversions for web, an advertiser should utilize Google Tag Manager, Google Tag, or Google Ads API. These tools provide the necessary functionality to implement enhanced conversions and track valuable data for optimizing advertising campaigns and boosting conversions effectively.