UTM parameters are appended to the end of your URLs. Here are the main UTM parameters you should consider:
utm_source: Identifies the source of the traffic (e.g., "newsletter"). utm_medium: Specifies the medium or channel (e.g., "email"). utm_campaign: Names the specific campaign (e.g., "spring_sale"). utm_term: (Optional) Used for paid search to identify keywords. utm_content: (Optional) Differentiates similar content or links within the same email.