Standardize medium and source
Use Google's standard values: cpc, email, social, organic. Don't invent. Reporting relies on consistency.
Campaign naming is strict
Format: [platform]-[objective]-[audience]-[creative]-[date]. 'meta-aware-lookalike-video-2026q2'. No spaces, no caps, no punctuation.
Document and enforce
Single doc. Every launched campaign gets UTMs reviewed. Standards decay the instant you stop enforcing.