Use utm_source to identify a search engine, newsletter name, or other source.
Use utm_medium to identify a medium such as email or cost-per- click.
Used for keyword analysis. Use utm_campaign to identify a specific product promotion or strategic campaign.
|Used for paid search. Use utm_term to note the keywords for this ad.|
|Used for A/B testing and content-targeted ads. Use utm_content to
differentiate ads or links that point to the same URL.|
Examples: logolink or textlink